In order to solve the problem of range side-lobes suppression performance degradation due to error between scatter and sample center of tradition methods, a new adaptive pulse compression algorithm based on Reiterative Linearly Constrained Minimum Variance (RLCMV) is presented in this paper. Firstly, adaptive beamformer is introduced into adaptive pulse compression. Then, linearly constraint is forced on range bins of target and interference, and diagonal loading techniques are applied. Finally, reiterative method is presented to suppress the side-lobe of target in range of different Radar Cross Section (RCS). Simulation results show that this algorithm can effectively suppress side-lobes of scatters random distributed in range bin, and it is robust to error between scatters and sample center. It keeps excellent performance even in multi-targets and range- extended target scenario, and improves performance of high Doppler target to a certain extend.
Li Feng-cong, Zhao Yi-nan, and Qiao Xiao-lin. Constant modular waveform design method for suppressing range sidelobes in specified intervals[J]. Journal of Electronics & Information Technology, 2013, 35(3): 532-536.
Zhao Yi-nan, Zhang Tao, Li Feng-cong, et al.. Optimal waveform design for MIMO radar via alternating projection [J]. Journal of Electronics & Information Technology, 2014, 36(6): 1368-1373.
Zhao Yi-nan, Li Feng-cong, Wang Jun, et al.. Coded waveform design via alternating projection based on rank deficient Fourier transform[J]. Acta Electronica Sinica, 2014, 42(6): 1216-1219.
[5]
Cao Si-yang, Zheng Y F, and Ewing R L. Wavelet-based waveform for effective sidelobe suppression in radar signal[J]. IEEE Transactions on Aerospace and Electronic Systems, 2014, 50(1): 265-284.
[6]
Hai D. Effective CLEAN algorithms for performance enhanced detection of binary coding radar signals[J]. IEEE Transactions on Signal Processing, 2004, 52(1): 72-78.
[7]
Blunt S D and Gerlach K. Adaptive pulse compression via MMSE Estimation[J]. IEEE Transactions on Aerospace and Electronic Systems, 2006, 42(2): 572-584.
[8]
Gerlach K and Blunt S D. Radar pulse compression repair[J]. IEEE Transactions on Aerospace and Electronic Systems, 2007, 43(3): 1188-1195.
[9]
Blunt S D, Shackelford A K, and Gerlach K. Doppler compensation & single pulse imaging using adaptive pulse compression[J]. IEEE Transactions on Aerospace and Electronic Systems, 2009, 45(2): 647-658.
[10]
Gerlach K and Blunt S D. Multistatic adaptive pulse compression[J]. IEEE Transactions on Aerospace and Electronic Systems, 2006, 42(3): 891-903.
[11]
Yardibi T, Li Jian, Stoica P, et al.. Source localization and sensing: a nonparametric iterative adaptive approach based on weighted least squares[J]. IEEE Transactions on Aerospace and Electronic Systems, 2010, 46(1): 425-443.
[12]
Roberts W, He Hao, Li Jian, et al.. Probing waveform synthesis and receiver filter design[J]. IEEE Signal Processing Magazine, 2010, 27(4): 99-112.
[13]
Li Jian, Stoica P, and Zheng Xia-yu. Signal synthesis and receiver design for MIMO radar imaging[J]. IEEE Transactions on Signal Processing, 2008, 56(8): 3959-3968.
Zhang Jin-dong, Wang Hai-qing, Zhu Xiao-hua, et al.. Adaptive pulse compression via MSN criteria[J]. Journal of Electronics & Information Technology, 2009, 31(4): 790-793.
[15]
Van Trees H L. Optimum Array Processing Part IV of Detection, Estimation and Modulation Theory[M]. New York: John Wiley & Sons, Inc., 2002: 513-518.
[16]
Geng Zhe, Deng Hai, and Himed B. Adaptive radar beamforming for interference mitigation in radar wireless spectrum sharing[J]. IEEE Signal Processing Letters, 2015, 22(4): 484-488.
[17]
Su Hong-tao, Liu Hong-wei, Shui Peng-lang, et al.. Adaptive beamforming for nonstationary HF interference cancellation in sky wave over-the-horizon radar[J]. IEEE Transactions on Aerospace and Electronic Systems, 2013, 49(1): 312-324.
[18]
Li N, Tang J, and Peng Y N. Adaptive pulse compression of MIMO radar based on GSC[J]. Electronics Letters, 2008, 44(20): 1217-1218.
Guan Jian, Huang Yong, and He You. A CFAR detector for MIMO array radar based on adaptive pulse compression- Capon filter[J]. SCIENTIA SINICA Informationis, 2011, 41(10): 1268-1282.