Range-Doppler Clutter Suppression with Adaptive Pulse Compression by Randomized Stepped Frequency Waveform

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Kayvan Shokooh Reza; ZAKERI ALIREZA; MOHAMMADI YOUNES

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Journal Paper

Paper Information

Journal: JOURNAL OF ADVANCED SIGNAL PROCESSING Year:2021 | Volume:5 | Issue:1 (7) Page(s): 29-40

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Title

Range-Doppler Clutter Suppression with Adaptive Pulse Compression by Randomized Stepped Frequency Waveform

Author(s)

Kayvan Shokooh Reza | ZAKERI ALIREZA | MOHAMMADI YOUNES | Issue Writer Certificate

Keywords

Adaptive pulse compression

waveform diversity

pulse doppler

clutter

randomized stepped frequency modulation

Abstract

Pulse-Doppler radars typically use pulse compression and Doppler processing to detect moving targets through fast Fourier transforms. The conventional pulse compression method and the standard matched filter output for detection of small targets close to a large target do not work well, since the sidelobes of the match filter output by a large target could mask the smaller targets. Adaptive pulse compression resolves this issue significantly in noise. However, the fast targets induce Doppler phase shift in the received signal frequency, in which cause mismatch between the received signal and the transmitted signal. Consequently, the Signal to Noise Ratio is reduced. Whereas the matched filter in the radar receiver is only adapted to the transmitted signal version and its output will be wasted due to non-matching with the received signal from the environment. Adaptive pulse compression is generally applied with a single pulse in alone noise environment, but in the presence of strong clutter it is required to several return pulses. In this paper, to supply these pulses, in a radar transmitter equipped with Adaptive pulse compression, waveforms diversity are generated by random frequency hopping in step frequency waveform. The simulation results of the detection of masked moving targets are compared with other conventional methods.

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APA: Copy

Kayvan Shokooh, Reza, ZAKERI, ALIREZA, & MOHAMMADI, YOUNES. (2021). Range-Doppler Clutter Suppression with Adaptive Pulse Compression by Randomized Stepped Frequency Waveform. JOURNAL OF ADVANCED SIGNAL PROCESSING, 5(1 (7) ), 29-40. SID. https://sid.ir/paper/960924/en

Vancouver: Copy

Kayvan Shokooh Reza, ZAKERI ALIREZA, MOHAMMADI YOUNES. Range-Doppler Clutter Suppression with Adaptive Pulse Compression by Randomized Stepped Frequency Waveform. JOURNAL OF ADVANCED SIGNAL PROCESSING[Internet]. 2021;5(1 (7) ):29-40. Available from: https://sid.ir/paper/960924/en

IEEE: Copy

Reza Kayvan Shokooh, ALIREZA ZAKERI, and YOUNES MOHAMMADI, “Range-Doppler Clutter Suppression with Adaptive Pulse Compression by Randomized Stepped Frequency Waveform,” JOURNAL OF ADVANCED SIGNAL PROCESSING, vol. 5, no. 1 (7) , pp. 29–40, 2021, [Online]. Available: https://sid.ir/paper/960924/en

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