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The most serious problem in processing highly squinted data is the strong range–Doppler coupling, which can be reduced by the linear range cell migration correction (LRCMC). After the LRCMC, however, targets with different azimuth frequency modulation (FM) rates are moved into the same range cell, blocking the efficient azimuth compression. In this letter, a new algorithm to equalize the FM rates...
Real-time monitoring technology about wire windy swing is one of key technologies in smart grid, which is well-known as an advanced power architecture. The technology is proposed in this paper by incorporating Micro Doppler Algorithm, which is a hotspot in signal processing. According to others, this monitoring technology has the special characteristics such as all-day, all-weather, compact, and reliable...
A generalized formulation of azimuth spectrum for high precision processing on complicated trajectory of both ECSA and EFSA is derived. Based on the method of series reversion (MSR), the azimuth spectrum on complicated trajectory incorporates a new curvature factor for an identical formulation comparing to the one of ideal trajectory. A pretreatment of Range Walk Correction (RWC) is proposed to decrease...
Channel estimation error impacts the performance of practical orthogonal space-time block coded (OSTBC) MIMO system. The effective SNR loss is caused by the impact of imperfect channel knowledge. In this paper, we qualitatively analyze on the effective SNR loss, and derive a symbol error rate (SER) expression for PSK modulation scheme in MIMO Rayleigh channel with channel estimation error. However,...
For moving ship-formation target, problems such as the appearance of virtual targets occurs if general DBS procedure was adopted for detection. This paper improves DBS realization method accordingly: to estimate the whole velocity of ship-formation target first, and then carve up azimuth direction Doppler basing on both this velocity and the velocity of the missile. Researches are made of ship target...
A SAR image problem for missile-borne based on the platform anomaly movement is discussed in this paper. In this paper, a approximate illumination geometry has been defined and a new image model is presented. Image formation from missile-borne synthetic aperture radar (SAR) is limited by image degradations caused by missile's non-level straight line movement. In this paper we assume that the missile...
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