Our experimental and theoretical objectives have focused on adamantane, the first diamondoid. This compound gives us substantial detailed information about the interaction between carbon-carbon, carbon-hydrogen, and hydrogen-hydrogen atoms. This has provided a first test case for the theoretical teams at the University of Missouri-St. Louis and Indiana State University to accurately measure and compute the electronic structure and mechanical properties. The results have been compared with the existing model potentials, ...
In this paper, a low cost UWB-based position localization experiment system is designed and tested in the indoor environment. And a delayed-correlation detector and ultra-highspeed 1bit ADC are proposed to mitigate the estimation error of time difference of arrival (TDOA). And an algorithm using parallel processing and direct path tracking is also proposed to remove the timing-of-arrival (TOA) bias and clock jittering error of TDOA measurement. In our prototype design, ...
A new scheme for optical trapping is presented in this paper. The method is based on a tapered fiber probe with a tip diameter less than a light wavelength. A three-dimension gradient optical field is formed within the optical near field of the fiber probe, and a particle approaching the fiber probe tip will be trapped. The evanescent electromagnetic field in the vicinity of the fiber tip is calculated by ...
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