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Electronics and FluidicsElectrical and Electronic Equipment

Meteorological Measurements With a MWR-05XP Phased Array Radar

Authors: John B. Sandifer; NAVAL POSTGRADUATE SCHOOL MONTEREY CA DEPT OF METEOROLOGY
Abstract:
Scanning strategies for research and operational applications were developed for meteorological measurements with an experimental PAR, the MWR- 05XP. A tornadic storm sampling strategy was developed with a 502.26 ms volumetric update and a resolution of 1.8 Az x 2 El x 150 m range. A sampling strategy for severe thunderstorm clusters was developed with a 10 second volumetric update and a resolution of 1.8 Az x 2 El x 300 m range. An operational weather scanning strategy was developed with an 81 second volumetric update and a resolution of 1.8 Az x 2 El x 150 m range. In general, for the acquisition of weather data, single frequency phased array radars offer only a slight sampling advantage over conventional scanning radars. This research verified that for meteorological sampling with the MWR-05XP, frequency diversity, coupled with electronic elevation scanning, offers a significant sampling advantage over conventional radars. The combination of electronic beam steering and frequency diversity produces a synergistic reduction in sampling time that increases the overall volumetric update rate. This research has also shown that, based on assumptions about the MWR-05XP operating parameters, it is possible to incorporate operational weather scanning into the radar's multifunction capability.

Limitations: APPROVED FOR PUBLIC RELEASE
Description: Master's thesis
Pages: 97
Report Date: MAR 2005
Report Number: A073234
Keywords relating to this report:
*METEOROLOGICAL DATA
*PHASED ARRAYS
BEAM STEERING
CLUSTERING
FREQUENCY DIVERSITY
METEOROLOGY
RADAR
REDUCTION
SCANNING
STORMS
STRATEGY
SYNERGISM
THUNDERSTORMS
TORNADOES
WEATHER
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