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MIMO Radar Ambiguity Optimization using Phase Coded Pulse Waveforms

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International Journal of Computer Applications
© 2013 by IJCA Journal
Volume 61 - Number 10
Year of Publication: 2013
Authors:
G. V. K. Sharma
K. Raja Rajeswari
10.5120/9964-4615

G V K Sharma and Raja K Rajeswari. Article: MIMO Radar Ambiguity Optimization using Phase Coded Pulse Waveforms. International Journal of Computer Applications 61(10):18-23, January 2013. Full text available. BibTeX

@article{key:article,
	author = {G. V. K. Sharma and K. Raja Rajeswari},
	title = {Article: MIMO Radar Ambiguity Optimization using Phase Coded Pulse Waveforms},
	journal = {International Journal of Computer Applications},
	year = {2013},
	volume = {61},
	number = {10},
	pages = {18-23},
	month = {January},
	note = {Full text available}
}

Abstract

Multiple input multiple output radars transmit partially coherent or noncoherent waveforms for improving spatial resolution or spatial diversity. While waveform design for SIMO radars concentrate on improving the delay and Doppler resolution characteristics, waveform design for MIMO radars involve optimization of delay, Doppler and spatial resolution characteristics. The resolution properties of MIMO radar transmit waveforms is studied using the MIMO radar ambiguity function. MIMO radar ambiguity function of frequency hopping waveforms is recently derived. Considering the many advantages of phase coded pulse waveforms in radar applications, this paper derives the MIMO radar ambiguity function of phased coded pulse waveforms. Further, a numerical optimization algorithm based on simulated annealing is proposed for designing parameters of the phase coded pulse waveforms that minimize the peak of the ambiguity function at all mismatched values of delay, Doppler and angular dimensions.

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