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Total Results: 1115 Pages: Previous [1] 2 3 4 5 6 7 8 9 10 11 Next Results per page:
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Enhanced Performance & Functionality of Tunable Delay Lines Aug 2012 144 pages
Authors:  Alan E Willner; UNIVERSITY OF SOUTHERN CALIFORNIA LOS ANGELES DEPT OF CONTRACTS AND GRANTS
The full text of this report is available for sale.We demonstrated dramatic enhancements in the performance and functionality of tunable optical delay lines. We used tunable wavelength conversion combined with inter-channel chromatic dispersion and intra-channel dispersion compensation to achieve continuously tunable optical delays. Extremely long delays at very high bit-rates were demonstrated with minimal data distortion. We demonstrated delays for different data modulation formats, including on-off-keying and spectrally efficient DQPSK (differential -quadrature-phase-shift-keying .We used: (i) low dispersion slope, highly ...


Frequency Conversion of Single Photons: Physics, Devices, and Applications Jul 2012 174 pages
Authors:  Jason S Pelc; STANFORD UNIV CA
The full text of this report is available for sale.The ability to manipulate the carrier frequency of quantum states of light, through a process called quantum frequency conversion (QFC), has numerous applications for both technology and basic science. For example, one can upconvert a single-photonlevel signal in the 1.5- m telecommunications band (where single-photon detection has been challenging) to a visible wavelength to take advantage of well-developed single-photon detectors based on silicon avalanche photodiodes. On the more fundamental side, ...


A Revised Interface for the ARL Topodef Mobility Design Tool Apr 2012 22 pages
Authors:  Andrew J Toth; Michael Christensen; ARMY RESEARCH LAB ADELPHI MD
The full text of this report is available for sale.Mobile ad-hoc networks provide a means of communicating in areas where there is no established infrastructure. Network emulation has proved to be a good compromise between the cost of full-scale experimentation and the speed of simulation as a means of testing new network protocols and the effects of applications on the network. In order to perform emulation experiments that include mobility, researchers need a tool to design scenarios that closely ...


Services Supply Chain in the Department of Defense: Drivers of Acquisition Management Practices in the Army 13 Feb 2012 61 pages
Authors:  Aruna Apte; Uday M Apte; Rene G Rendon; NAVAL POSTGRADUATE SCHOOL MONTEREY CA GRADUATE SCHOOL OF BUSINESS AND PUBLIC POLICY
The full text of this report is available for sale.In this research, we reviewed contract files and interviewed subject matter experts to collect and analyze data regarding the Army's contract and management practices in the acquisition of services. We examined 154 contracts for four specific service types at eight U.S. Army Mission and Installation Contracting Command (MICC) organizations. The goal was to answer three research questions: (1) Do the contract characteristics differ for different types of services? (2) Do ...


The Geology of Yemen: An Annotated Bibliography of Yemen's Geology, Geography and Earth Science Jan 2012 386 pages
Authors:  Robert L Hadden; CORPS OF ENGINEERS ALEXANDRIA VA
The full text of this report is available for sale.A bibliography on Yemen prepared by the Army Geospatial Center (AGC) to assist the US government in understanding the geological and hydrological problems of this country, by identifying citations on geography, topography, transportation, water, medical concerns, and security.


Competition and GDP Growth: The Mexican Solution 28 Oct 2011 26 pages
Authors:  T J Grady; NAVAL WAR COLL NEWPORT RI JOINT MILITARY OPERATIONS DEPT
The full text of this report is available for sale.The relationship between competition and Gross Domestic Product (GDP) influences the health of an economy. Understanding how GDP growth can be utilized to determine a country's economic health is important because it allows a government to make fiscal adjustments when necessary. When those adjustments are made, sufficient regulation must follow to ensure a competitive environment is maintained in the respective market sector. This paper argues that Mexico is not reaching ...


Bridging the Digital Divide: Developing Mexico's Information and Communication Technology Infrastructure 28 Oct 2011 24 pages
Authors:  Thomas C Baldwin; NAVAL WAR COLL NEWPORT RI JOINT MILITARY OPERATIONS DEPT
The full text of this report is available for sale.Mexico has embarked on an ambitious plan to raise the living standards of all its citizens by improving the education system. A central element to this plan is upgrading the nation's information and communication technology (ICT) infrastructure in order to deliver telecommunication services to the country's most rural areas. By connecting these impoverished regions to more prosperous sectors, Mexico hopes to deliver education, training, healthcare, and social services to the ...


Toward the Development of a Canadian Less Lethal Weapon Approval Process: A Study of Contemporary Process Models Oct 2011 72 pages
Authors:  Len Goodman; Donna Wood; DEFENCE RESEARCH AND DEVELOPMENT CANADA OTTAWA (ONTARIO) CENTRE FOR SECURITY SCIENCE
The full text of this report is available for sale.One of the objectives of the Conducted Energy Weapons Strategic Initiative (CEWSI) project is to develop a Canadian approval process that could be applied to emerging less lethal technologies. A contract was let with Alcea Technologies to survey a variety of approval processes with the objective of identifying common elements that could be applied to the Canadian less lethal weapons approval process. The contractor identified the stakeholders, roles and responsibilities, ...


Telecommunications: Competition, Capacity, and Costs in the Fixed Satellite Services Industry Sep 2011 54 pages
Authors:  Mark L Goldstein; Michael Clements; Pedro Almoguera; Brad Dubbs; Bess Eisenstadt; David Hooper; Rosa Leung; Nancy Lueke; Jerry Sandau; James Tallon; GOVERNMENT ACCOUNTABILITY OFFICE WASHINGTON DC
The full text of this report is available for sale.Commercial satellites are used by the U.S. government to provide a variety of fixed satellite services, such as military communications. However, the number of satellite operators providing such services has declined since 2000. Further, until recently, three vendors, known as satellite service providers, had sole authority to contract with the Department of Defense (DoD) under its primary satellite contract. Among other things, GAO was asked to describe the following: (1) ...


Analysis of Galaxy 15 Satellite Images from a Small-Aperture Telescope Sep 2011 10 pages
Authors:  Sergei Nikolaev; Don Phillion; Lance Simms; Alex Pertica; Scot S Olivier; Rita Cognion; LAWRENCE LIVERMORE NATIONAL LAB CA
The full text of this report is available for sale.Galaxy 15, a geostationary telecommunications satellite, ceased responding to ground operators commands on April 5, 2010. The satellite went into eastward longitudinal drift interfering with operation of other geostationary satellites. Before and after the control of Galaxy 15 was re-established on December 27, 2010, some optical observations of the satellite were conducted using a small-aperture telescope, at sidereal tracking rate, to derive more accurate orbital parameters for Galaxy 15. Here ...


Telecommunication Policy in the Caribbean: A Comparison of Telecommunications in the Dominican Republic and Haiti Sep 2011 123 pages
Authors:  Luis F Socias; NAVAL POSTGRADUATE SCHOOL MONTEREY CA DEPT OF COMPUTER SCIENCE
The full text of this report is available for sale.Several factors affect the development of telecommunications policy in a country. These include government intervention, geography, alliances, and economic stability. By studying different countries, and comparing these factors and the rates of growth of each state, one can further understand the different levels of telecommunications development. This thesis will explore telecommunications policy, its success and failures, in the Dominican Republic and Haiti, where telecommunications has become a major source of ...


Multicast Parametric Synchronous Sampling Sep 2011 31 pages
Authors:  Stojan Radic; CALIFORNIA UNIV SAN DIEGO LA JOLLA DEPT OF ELECTRICAL AND COMPUTER ENGINEERING
The full text of this report is available for sale.Parametric signal processing technology is described. Work on mixer synthesis, gain and conversion efficiency, signal multicasting and sampling is outlined in detail. The technology limits and its applications in multiplexing, demultiplexing, amplification, conversion and signal delay construction are described. Achievements include (1) longitudinal nonlinear waveguide characterization which resulted in unprecedented mixers surpassing 20 THz in bandwidth and greater than 20 dB gain, (2) ability to copy THz signals with impunity ...


Regional Center of Excellence for PTSD: Phoebe Putney Memorial Hospital Sep 2011 69 pages
Authors:  Steven Ziemba; Lori-Ann Landry; PHOEBE PUTNEY MEMORIAL HOSPITAL ALBANY GA
The full text of this report is available for sale.Post Traumatic Stress Disorder (PTSD) has been recognized by the Armed Forces as a significant mental health condition among returning US military personnel from Iraq and Afghanistan. Multiple challenges exist in the successful diagnosis and treatment of soldiers prior to symptoms becoming unmanageable and leading to dysfunction within families, homes, work, and in severe cases increased suicide rates. The current study will investigate the use of telepsychiatry services for military ...


Adapting Clausewitz to the Information Age: How Traditional News Media and Social Networking are Combining to Expand the Triangle 04 MAY 2011 26 pages
Authors:  David E. Violand; NAVAL WAR COLL NEWPORT RI JOINT MILITARY OPERATIONS DEPT
The full text of this report is available for sale.While advancing technology has not altered the intangible attributes that define war's nature, it has changed and expanded the tangible contexts that contain those intangible attributes. As such, Clausewitz's triangle is no longer sufficient by itself to account for evolving information conduits and the tangible players who influence and direct that flow. This paper redefines the term "media" to include both traditional global news media and individual persons who, being ...


Sandals and Robes to Business Suits and Gulf Streams: Warfare in the 21st Century 20 APR 2011 8 pages
Authors:  Michael T. Flynn; NATO INTERNATIONAL SECURITY ASSISTANCE FORCE KABUL (AFGHANISTAN)
The full text of this report is available for sale.Warfare used to be a bi-polar structure, state on state. Our defense establishment was more concerned with templating our enemies in a force-on-force engagement that was grounded in understood rules of war.? The battlefield was linear and structured, with clearly defined battle lines. We could isolate, contain, outflank, and attack our enemies well into the depths of the rear of their formations. Our enemies had tangible and recognizable infrastructures that, ...


The Strategic Implications of Chinese Companies Going Global 29 Mar 2011 87 pages
Authors:  Heino Klinck; ISTITUTO ALTI STUDI PER LA DIFESA ROMA (ITALIA)
The full text of this report is available for sale.China's overseas direct investment (ODI) has become one of the biggest business stories of the 21st century. In a relatively short time span, China has become the number one overseas investor amongst developing countries as well as the world's sixth largest overseas investor overall with U.S. $150 billion invested in foreign markets. Aside from commercial imperatives, this ever-increasing business presence in foreign markets also carries with it foreign policy and ...


G-6 Brief to USN/USMC Spectrum Conference 09 MAR 2011 11 pages
Authors:  Jason Reed; MARINE CORPS FORCES SPECIAL OPERATIONS COMMAND CAMP LEJEUNE NC
The full text of this report is available for sale.


Coast Guard Spectrum Management (CG-652) MAR 2011 28 pages
Authors:  Ronald Blackmore; COAST GUARD WASHINGTON DC TELECOMMUNICATIONS SYSTEMS DIV
The full text of this report is available for sale.


Iraq Relief and Reconstruction Fund 1: Report on Apportionments, Expenditures, and Canceled Funds 25 JAN 2011 23 pages
Authors:  Glenn D. Furbish; David Childress; George Salvatierra; SPECIAL INSPECTOR GENERAL FOR IRAQ RECONSTRUCTION ARLINGTON VA
The full text of this report is available for sale.The funds provided by P.L. 108-11, known as IRRF 1, were available for obligation until September 30, 2004, to pay costs including: (1) water/sanitation infrastructure; (2) feeding and food distribution; (3) relief efforts related to refugees and others; (4) electricity; (5) healthcare; (6) telecommunications; (7) economic and financial policy; (8) education; (9) transportation; (10) rule of law and governance; (11) humanitarian demining; and (12) agriculture. The P.L. also directed that ...


Content Management Serves as a Vital Cyberspace Operations Enabler Jan 2011 4 pages
Authors:  Russell Fenton; ARMY SIGNAL CENTER AND FORT GORDON GA
The full text of this report is available for sale.The importance of cyberspace, as part of the nation s critical infrastructure, arose from the President s signing of the National Strategy to Secure Cyberspace in February of 2003. Since then, many important national strategies, policies, and decisions have been created and signed. Consequently, the Department of Defense created the National Military Strategy for Cyberspace Operations in December 2006, and subsequent NMS-CO Implementation Plan in October 2007. Although cyberspace has ...


Nanotechnology Enabled Hybrid Power System Suitable for Portable Telecommunications and Sensor Applications DEC 2010 27 pages
Authors:  Rebecca G. Willmott; Kurt Eisenbeiser; Carl A. Picconatto; James C. Ellenbogen; MITRE CORP MCLEAN VA
The full text of this report is available for sale.A prototype nanotechnology-enabled hybrid power system has been developed and tested in the laboratory. The system, which consists of a nanotechnology-based battery and supercapacitor plus a dynamic power management circuit, has been designed to meet the power needs of high power, low duty cycle applications, such as telecommunications equipment or unattended ground sensors. The hybrid system has almost 17 times the specific energy of the supercapacitor alone and 3 times ...


Applications of GPS Provided Time and Frequency 20 Oct 2010 21 pages
Authors:  Edward Powers; NAVAL OBSERVATORY WASHINGTON DC
The full text of this report is available for sale.


Nanophotonic Devices in Silicon for Nonlinear Optics 15 Oct 2010 25 pages
Authors:  Michael Hochberg; WASHINGTON UNIV SEATTLE DEPT OF ELECTRICAL ENGINEERING
The full text of this report is available for sale.Silicon' s extremely high refractive index and low loss at telecommunications frequencies make it possible for silicon waveguides to confine optical modes to sub-diffraction-limited areas. We can gain control of photons on the nanometer scale, and can force strong interactions with nonlinear waveguide claddings. Taking advantage of these capabilities, it is possible to integrate femtosecond-scale nonlinear optical functionality into silicon chip-scale devices. Under the AFOSR YIP program, we worked to ...


MURI Center for Photonic Quantum Information Systems 16-Oct-2009 26 pages
Authors:  Paul Kwiat; Jelena Vuckovic; STANFORD UNIV CA
The full text of this report is available for sale.We have continued the development of several photonic quantum technologies: single-photon and entangled-photon sources from quantum dots and parametric down-conversion; solid-state quantum gates based on quantum dots in semiconductors and on NV centers in diamond; quantum memories using optical storage systems; and high-efficiency single-photon detectors, using optimized visible light photon counters, superconducting bolometers, and frequency upconverters (to be able to detect telecommunication wavelengths using superior visible-wavelength detectors). For most of ...


Cyberspace and the 'First Battle' in 21st-century War (Defense Horizons, Number 68, September 2009) Sep-2009 7 pages
Authors:  Robert A Miller; Daniel T Kuehl; NATIONAL DEFENSE UNIV WASHINGTON DC CENTER FOR TECHNOLOGY AND NATIONAL SECURITY POLICY
The full text of this report is available for sale.Wars often start well before main forces engage. In the 19th and early 20th centuries, combat often began when light cavalry units crossed the border. For most of the 20th century, the first battle typically involved dawn surprise attacks, usually delivered by air forces. While a few of these attacks were so shattering that they essentially decided the outcome of the struggle or at least dramatically shaped its course -- ...


Foul WX Underground: The Dynamics of Resistance and the Analog Logic of Communication during a Digital Blackout 21-May-2009 72 pages
Authors:  Michael D Parsons; ARMY COMMAND AND GENERAL STAFF COLL FORT LEAVENWORTH KS SCHOOL OF ADVANCED MILITARY STUDIES
The full text of this report is available for sale.The current inter-agency doctrinal tools to integrate the decision-sharing elements of battle command at the operational level for defense support to civil authority operations are inadequate under conditions of extremely degraded communications. The rapidly integrated, often ad hoc, civil-military command structures suffer an over-reliance on the availability of digital connectivity to overcome basic frictions of organizational culture. We are not prepared for a digital blackout. Under the conditions of a ...


Cuba: Issues for 111th Congress 14-Apr-2009
Authors:  Mark P Sullivan; LIBRARY OF CONGRESS WASHINGTON DC CONGRESSIONAL RESEARCH SERVICE
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.Cuba, which remains a hard-line communist state with a poor record on human rights, commemorated the 50th anniversary of its revolution on January 1, 2009. Cuba's political succession from the long-ruling Fidel Castro to his brother Raul in 2006 was characterized by a remarkable degree of stability. After Raul Castro officially assumed the presidency in February 2008, his government announced a series of economic changes that included lifting restrictions on ...


Comprehensive National Cybersecurity Initiative: Legal Authorities and Policy Considerations 10-Mar-2009
Authors:  John Rollins; Anna C Henning; LIBRARY OF CONGRESS WASHINGTON DC CONGRESSIONAL RESEARCH SERVICE
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.Federal agencies report increasing cyber-intrusions into government computer networks, perpetrated by a range of known and unknown actors. In response, the President, legislators, experts, and others have characterized cybersecurity as a pressing national security issue. Like other national security challenges in the post-9/11 era, the cyber threat is multi-faceted and lacks clearly delineated boundaries. Some cyber attackers operate through foreign nations? military or intelligence-gathering operations, whereas others have connections to ...


Joint Telecommunications Engineer: Consolidating a Common Service Activity in U.S. Central Command 20-Feb-2009 19 pages
Authors:  T M Spink; MARINE CORPS COMMAND AND STAFF COLL QUANTICO VA
The full text of this report is available for sale.Imagine an office building housing four companies (one on each floor), all leasing space from the building's owner. Because the leasers are separate organizations, the owner decides that each company must install their own electrical power grid that cannot be shared with the other tenants. They all comply and install multiple power cables, generators, and switches without collaborating on a single master plan. In the end, each floor has electricity. ...


Pakistan Earthquake Case Study Jan-2009 23 pages
Authors:  Phister; Paul W Jr; Dave Allen; Julius Barath; Ulrich Brandenberger; Ralph Bruehlmann; Alain Burton; Philip W Farrell; Geert Marien; AIR FORCE RESEARCH LAB WRIGHT-PATTERSON AFB OH
The full text of this report is available for sale.As part of SAS-065, a number of case studies were examined to determine the validity of the NATO NEC C2 Maturity Model (N2C2M2). A group decided to example the earthquake that occurred in Pakistan on 8 Oct 05 to determine if there was a good application of the N2C2M2 to a natural disaster. An earthquake measuring 7.6 on the Richter scale hit northern Pakistan on 8 Oct 05. As shown ...


Studying Network Timing With Precision Packet Delay Measurements 01-Dec-2008 23 pages
Authors:  Lee Cosart; SYMMETRICOM SAN JOSE CA
The full text of this report is available for sale.As the transmission of telecommunications data is increasingly reliant on new generation packet network transport, new methods of time and frequency transfer are required. While some of these methods are at the physical layer, many involve the network and data link layers and are affected by packet network behavior. Thus, it has become important to develop instrumentation and analysis techniques applicable to the study of packet latency and packet delay ...


Optimal Data Transmission on MIMO OFDM Channels Dec-2008 105 pages
Authors:  Luis M M Simoes; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
The full text of this report is available for sale.This thesis investigates the Physical Layer performance of single-input single-output (SISO) wireless communications systems, as well as multi antenna techniques such as multiple-input single-output (MISO) and multiple-input multiple-output (MIMO) systems, the last two utilizing the Alamouti-based space-time block coding (STBC) technique. All cases are based on the IEEE 802.16-2004 standard with OFDM using different values of coding rates. International Telecommunications Union (ITU) channel models are selected for the wireless channel ...


Global Positioning System Timing Criticality Assessment - Preliminary Performance Results Dec-2008 23 pages
Authors:  James Carroll; Kirk Montgomery; JOHN A VOLPE NATIONAL TRANSPORTATION SYSTEMS CENTER CAMBRIDGE MA
The full text of this report is available for sale.Precision timing and time interval (PTTI) capabilities are becoming more commonplace throughout the world. The increasing demand for and use of precise time comes with a potentially increasing risk of over-reliance on a single timing source. In addition, many precise time applications are considered critical, in that service disruption could result in severe consequences. The Global Positioning System (GPS) provides PTTI services that meet or exceed most user requirements, at ...


SOA-Based Optical Logic Circuit Development and Demonstration 30-Sep-2008
Authors:  Erich P Ippen; Leslie A Kolodziejski; MASSACHUSETTS INST OF TECH CAMBRIDGE
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.In this program, we investigated the fabrication and optical characterization of a photonic integrated circuit (PIC) designed for telecommunication applications using ultrafast (> 100Gbits/s) optical logic. The basic components in the PIC are active components, such as semiconductor optical amplifiers (SOAs), integrated with passive, light-routing waveguides. Optical switching is accomplished by embedding the amplifiers within the arms of Mach-Zehnder interferometers (MZIs), whereas power splitting of propagating signals is carried out ...


The Critical Infrastructure Portfolio Selection Model 13 JUN 2008 184 pages
Authors:  Travis J. Lindberg; ARMY COMMAND AND GENERAL STAFF COLL FORT LEAVENWORTH KS
The full text of this report is available for sale.This thesis proposes and demonstrates a methodology that enables the user to generate optimal portfolios of projects, based largely on the data envelopment analysis (DEA) approach developed by Israeli professors and industrial engineers, Harel Eilat, Boaz Golany, and Avraham Shtub. The purpose of this methodology, known as the Critical Infrastructure Portfolio Selection Model, is to help policy makers prioritize the allocation of resources while working towards the achievement of short ...


Optimal Jammer Placement to Interdict Wireless Network Services 01-Jun-2008 59 pages
Authors:  Arun Shankar; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
The full text of this report is available for sale.The demand for wireless networks continues to grow as the need for portable, low-cost telecommunications systems increases around the world. Wireless networks are particularly complex because their topologies can change in response to operational requirements or environmental conditions and also because wireless networks are susceptible to electromagnetic interference. In this thesis, we consider the challenges associated with the operation and jamming of so-called wireless mesh networks. In a wireless mesh ...


Cyberspace Domain: A Warfighting Substantiated Operational Environment Imperative 25 MAR 2008 37 pages
Authors:  Olen L. Kelley; ARMY WAR COLL CARLISLE BARRACKS PA
The full text of this report is available for sale.In 2001, Joint Publication (JP) 3-0 identified five warfighting domains. The document contained the commonly accepted four operational environments, but added a new domain: "information." This landmark inclusion started an intense debate within the Joint community. Previous clarity on the commonly accepted operational environment's roles and functions became blurred. Those who advocated information as a warfighting domain advanced its common understanding, yet could not reach doctrinal consensus. Discussions about how ...


Performance Measures for Edge Organizations: A Preliminary Report 06-Mar-2008 49 pages
Authors:  Kevin C Desouza; Sumit Roy; Yuan Lin; WASHINGTON UNIV SEATTLE INFORMATION SCHOOL
The full text of this report is available for sale.Taking an information-processing view of organizations, we address the need for building a robust set of performance measures for Edge Organizations (EOs). Alberts and Hayes in Power to the Edge: Command, Control in the Information Age conceptualized EOs as information-intensive entities whose performance is directly related to their ability for agile information processing. We ask the question, how can we measure the information-processing capacities of EOs? To this end, in ...


Frequency Mapping for the Operational Frequency Manager MAR 2008 141 pages
Authors:  Scott A. Walker; Lauro Luna; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
The full text of this report is available for sale.The Department of Defense (DoD) has placed great emphasis on the networking and connectivity of forces over the last several years. Programs include the Global Information Grid (GIG), Force Net, and Net Centric Warfare to name a few. These programs emphasize and stress the warfighter's need to stay connected to their appropriate operational command and control structure during operations. The value of this connectivity is crucial to both the individual ...


Lightening the Load: Toning the Marine Corps' Information Technology 18-Feb-2008 14 pages
Authors:  St; Robert Croix; MARINE CORPS COMMAND AND STAFF COLL QUANTICO VA
The full text of this report is available for sale.As I walked into the tent in 2004, I got a puzzled look from the Air Force Tech Sergeant, who asked if he could help me. I, in return, said I was there to help him, and I offered to give him one or two phone lines. He said he had phones, and that he was running phones to the whole airfield (minus my Marines). I didn't recognize any gear ...


A-law/Mu-law Dynamic Range Compression Deconvolution (Preprint) 04-Feb-2008 39 pages
Authors:  Bahareh Haji-saeed; Jed Khoury; William D Goodhue; Charles L Woods; John Kierstead; AIR FORCE RESEARCH LAB HANSCOM AFB MA SENSORS DIRECTORATE/ELECTROMAGNETICS TECHNOLOGY DIV
The full text of this report is available for sale.In this paper the A-law/Mu-law Dynamic Range Compression algorithm used in telecommunication systems is proposed for the first time for nonlinear Dynamic Range Compression image restoration of blurred signals embedded in very high noise environment. Our simulation results demonstrate that the dynamic range compression image deconvolution via the A-law/Mu-law outperforms image restoration based on the well-established image restoration filters that have been used for the last fifty years such as ...


The Foreign Intelligence Surveillance Act: A Brief Overview of Selected Issues 07 DEC 2007
Authors:  Elizabeth B. Bazan; LIBRARY OF CONGRESS WASHINGTON DC CONGRESSIONAL RESEARCH SERVICE
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.The current legislative and oversight activity with respect to electronic surveillance under FISA has drawn national attention to several overarching issues. This report briefly outlines three such issues and touches upon some of the perspectives reflected in the ongoing debate. These issues include the inherent and often dynamic tension between national security and civil liberties, particularly rights of privacy and free speech; the need identified by the Director of National ...


Cyberspace Coercion in Phase 0/I: How to Deter Armed Conflict 06-Nov-2007 25 pages
Authors:  Russell F Mathers; NAVAL WAR COLL NEWPORT RI JOINT MILITARY OPERATIONS DEPT
The full text of this report is available for sale.Cyberspace is a war fighting domain and can be used by joint force commanders (JFC) in Phase 0 (Shape) and Phase 1 (Deter) of their operation to prevent escalation to armed conflict. This paper outlines Byman and Waxman's four coercion mechanisms of power base erosion, civil unrest, decapitation and denial and uses them and Boyd's OODA Loop as a framework to examine how a JFC can use cyberspace capabilities to ...


An Analysis of IEEE 802.16 and WiMAX Multicast Delivery SEP 2007 99 pages
Authors:  Patrick A. Staub; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
The full text of this report is available for sale.Broadband and wireless have enjoyed a massive mass market adoption in the past twenty years. Users want to be able to enjoy all applications, including multimedia, voice, and data, while still being able to access them in a mobile and fixed environment. Multicasting is a tool used in networking which allows for transmitting information to a select group of users and is especially useful for time-sensitive data which can be ...


Defense Standardization Program Journal, April/Jun 2007 JUN 2007 52 pages
Authors:  Timothy P. Koczanski; DEFENSE LOGISTICS AGENCY FORT BELVOIR VA DEFENSE STANDARDIZATION PROGRAM OFFICE
The full text of this report is available for sale.Advances in technology, like any change, offer both great challenges and great opportunities. One only has to look around to see the enormous impact that technological advances have had on all of our lives. Technological discovery, development, and application make our daily lives better, if not always less complicated. Bringing technology to fruition is a long and complex process. As B. F. Skinner said, "the real problem is not whether ...


Remaking of an American Icon: An NPS Graduate School Case Competition JUN 2007 123 pages
Authors:  Rex D. Burkett; Joseph M. Margolies; Wade K. Smith; Joshua P. Wolf; Kyle B. Thomas; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
The full text of this report is available for sale.The purpose of this MBA Project was to provide a creative marketing overview of ideas for launching the 2008 Cadillac CTS Sedan into a non-traditional target market, e.g., perpetual strivers and move-ups. The project included a national case competition among business school student teams, including compressing a communications plan into a 30-slide deliverable. Data collection included comparison literature reviews, male and female focus groups, a researcher-developed survey, and interviews conducted ...


Special Inspector General for Iraq Reconstruction (SIGIR): Moving Beyond the IRRF 30 APR 2007 632 pages
Authors:  Jr Bowen Stuart W.; OFFICE OF INSPECTOR GENERAL ARLINGTON VA SPECIAL INSPECTOR GENERAL FOR IRAQ RECONSTRUCTION
The full text of this report is available for sale.I am pleased to submit to the Congress, Secretary Rice, Secretary Gates, and the American people the 13th Quarterly Report from the Special Inspector General for Iraq Reconstruction (SIGIR). During this quarter, I traveled to Iraq for the 15th time since my appointment three years ago to supervise the work of the 50 SIGIR auditors, inspectors, and investigators who provide the necessary, in-country oversight of the U.S. taxpayers investment in ...


Coast Guard AHLTA Technology Business Case Analysis 27 APR 2007 42 pages
Authors:  Mark R. Freese; TRICARE MANAGEMENT ACTIVITY FALLS CHURCH VA
The full text of this report is available for sale.The Coast Guard must deliver AHLTA to its clinics, either through direct connection to military treatment facilities (MTFs), making the clinics satellite clinics, or through developing their own servers at the Operational Service Center (OSC) complex in Martinsburg. The Coast Guard Telecommunications & Information Systems Command (TISCOM) has made it clear that any system connecting to the Department of Defense (DOD) network may not connect to the Coast Guard Data ...


Architectures for Secure and Robust Distributed Infrastructures 02 APR 2007 35 pages
Authors:  Sanjay Lall; Carolyn Beck; Stephen Boyd; John Doyle; Geir Dullerud; Chris Hadjicostis; Muriel Medard; Balaji Prabhakar; Rayadurgam Srikant; George Verghese; STANFORD UNIV CA DEPT OF AERONAUTICS AND ASTRONAUTICS
The full text of this report is available for sale.The major barrier constraining the successful management and design of large-scale distributed infrastructures is the conspicuous lack of knowledge about their dynamical features and behaviors. Up until very recently analysis of systems such as the Internet, or the national electricity distribution system, have primarily relied on the use of non-dynamical models, which neglect their complex, and frequently subtle, inherent dynamical properties. These traditional approaches have enjoyed considerable success while systems ...


Information Technology: When is Enough? 22 MAR 2007 18 pages
Authors:  Darin Talkington; ARMY WAR COLL CARLISLE BARRACKS PA
The full text of this report is available for sale.When does one have enough information technology? When do we cross the point of diminishing return? At what point in time do information planners and program managers provide too much information access? Will the vast Army investments in information technology, high speed data networking, and robust beyond line-of-sight telecommunications at the brigade and below level enable the tactical war fight? Or, will this investment in technology at the tactical level ...


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