Main-lobe Suppression Jamming Cancellation for Multistatic Radar Based on Range-Doppler Bias Offsetting

Qinzhen HU; Jianyu YANG; Liangbin WU; Chao GAO; Chengjun LU

doi:10.11999/JEIT200229

Volume 43 Issue 3

Mar. 2021

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Article Navigation > Journal of Electronics & Information Technology > 2021 > 43(3): 516-522

Qinzhen HU, Jianyu YANG, Liangbin WU, Chao GAO, Chengjun LU. Main-lobe Suppression Jamming Cancellation for Multistatic Radar Based on Range-Doppler Bias Offsetting[J]. Journal of Electronics & Information Technology, 2021, 43(3): 516-522. doi: 10.11999/JEIT200229

Citation:

Qinzhen HU, Jianyu YANG, Liangbin WU, Chao GAO, Chengjun LU. Main-lobe Suppression Jamming Cancellation for Multistatic Radar Based on Range-Doppler Bias Offsetting[J]. Journal of Electronics & Information Technology, 2021, 43(3): 516-522. doi: 10.11999/JEIT200229

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Main-lobe Suppression Jamming Cancellation for Multistatic Radar Based on Range-Doppler Bias Offsetting

doi: 10.11999/JEIT200229

1.
School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China
2.
AVIC Leihua Electronic Technology Research Institute, Wuxi 214063, China

Funds: China Postdoctoral Science Foundation (2019M651993)

Received Date: 2020-04-03
Rev Recd Date: 2020-10-26

Available Online: 2020-10-29

Publish Date: 2021-03-22

Abstract

Abstract

To solve the de-correlation problem due to Doppler frequency bias for multistatic radar system, a main-lobe jamming suppression algorithm for multistatic radar based on range-Doppler bias offsetting is proposed. First, based on the cross correlation function of jamming signals of different radars, the effect of Doppler frequency bias on the cross correlation function is analyzed. Then, the time delay and Doppler frequency bias can be estimated and offset by maximizing the two dimensional correlation function of time and frequency, in order to suppress the jamming. What’s more, to reduce the amount of calculation, the time delay can be obtained firstly by cross correlation function of signal amplitude before estimating the Doppler frequency bias. Simulation results illustrate that the jamming can be suppressed effectively after offsetting the Doppler frequency bias and signal cancellation processing.
- Multistatic radar,
- Main-lobe suppression jamming,
- Doppler frequency bias,
- Correlation

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References(15)

References

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