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2008-11-10
Compression of Multicarrier Phase-Coded Radar Signals Based on Discrete Fourier Transform (Dft)
By
Progress In Electromagnetics Research C, Vol. 5, 93-117, 2008
Abstract
Multicarrier Phase-Coded signals have been recently introduced to achieve high range resolution in radar systems. As in single carrier phase coded radars, the conventional method for compression of these signals is based on using matched filter or direct computation of autocorrelation function. In this paper we propose a new method based on Discrete Fourier Transform (DFT) that has lower computational complexity compared to the conventional approach. It has been proved that the proposed method is mathematically equivalent to matched filtering, so there is no processing loss. Also the effect of sampling frequency on compression loss has been investigated and for the oversampled matched filter of MCPC signals, a computational efficient algorithm based on polyphase implementation has been proposed.
Citation
Reza Mohseni Abbas Sheikhi Mohammad Ali Masnadi-Shirazi , "Compression of Multicarrier Phase-Coded Radar Signals Based on Discrete Fourier Transform (Dft)," Progress In Electromagnetics Research C, Vol. 5, 93-117, 2008.
doi:10.2528/PIERC08091502
http://www.jpier.org/PIERC/pier.php?paper=08091502
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