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Today's automotive radars are based on FMCW signaling. The estimation of range, speed, and direction of arrival (DoA) for FMCW radars can be mapped to frequency estimation problems. Current methods rely on independent scalar frequency estimation techniques in each of the range, Doppler and DoA dimensions. In this work we develop a vector parameter estimation method generalizing existing scalar estimation...
GRCRT(Generalized Robust Chinese Remainder Theorem) allows to reconstruct multiple numbers when all the moduli have a common factor and all residue sets have errors. In this paper, we propose a new approach based on GRCRT to joint estimation of chirp rates, initial frequencies and DOAs (direction of arrivals) for multiple LFM(linear frequency modulation) signals with sub-Nyquist spatial-temporal sampling...
Acoustic signal processing in shallow water environments is a challenging problem because of the presence of reverberation. Based on some models of reverberation, data from sensors array is pretreated to suppress reverberation. Considering reverberation as a sum of echoes of transmitted signal, the principal component inverse (PCI) algorithm is operated by deleting the largest singulars of data matrix,...
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