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This paper proposes an improved Doppler Beam Sharpening (DBS) algorithm for missile-borne Synthetic Aperture Radar (SAR) based on Doppler localization equations, to gain a better azimuth resolution and reduce the heavy localization computation afford. Firstly, the azimuth resolution is improved by a modified reference function, with little extra computation. Then Doppler localization equations are...
Based on the coupling of PC-Crash and embedded MADYMO, the impacting vehicle and pedestrian are respectively modeled as a multi-body system. The influence laws and factors of upward throw and lateral deviation distances for the impacted pedestrian involved in a vehicle/pedestrian collision are in depth analyzed with simulating by selecting main factors influencing on contact location for pedestrian's...
The high resolution distributed SAR satellites provide the chance to derive DEMs with submeter accuracy (HRTI-4) on local or even regional scale, which can be called Very Large Baseline Interferometry (VLBI). This paper presented a survey of the signal processing flow chart for VLBI. Performance prediction and analysis were based on error contributions as absolute phase estimation error and baseline...
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