Doppler Frequency Estimation Method Based on Chinese Remainder Theorem with Spectrum Correction

Chenghu CAO; Yongbo ZHAO; Zhiling SUO; Xiaojiao PANG; Baoqing XU

doi:10.11999/JEIT181102

Volume 41 Issue 12

Dec. 2019

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Article Navigation > Journal of Electronics & Information Technology > 2019 > 41(12): 2903-2910

Chenghu CAO, Yongbo ZHAO, Zhiling SUO, Xiaojiao PANG, Baoqing XU. Doppler Frequency Estimation Method Based on Chinese Remainder Theorem with Spectrum Correction[J]. Journal of Electronics & Information Technology, 2019, 41(12): 2903-2910. doi: 10.11999/JEIT181102

Citation:

Chenghu CAO, Yongbo ZHAO, Zhiling SUO, Xiaojiao PANG, Baoqing XU. Doppler Frequency Estimation Method Based on Chinese Remainder Theorem with Spectrum Correction[J]. Journal of Electronics & Information Technology, 2019, 41(12): 2903-2910. doi: 10.11999/JEIT181102

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Doppler Frequency Estimation Method Based on Chinese Remainder Theorem with Spectrum Correction

doi: 10.11999/JEIT181102

1.
National Laboratory of Radar Signal Processing, Xidian University, Xi’an 710071, China
2.
Collaboration Innovation Center of Information Sensing and Understanding, Xidian University, Xi’an 710071, China

Funds: The Fund for Foreign Scholars in University Research and Teaching Programs(B18039)

Received Date: 2018-11-28
Rev Recd Date: 2019-04-12

Available Online: 2019-05-22

Publish Date: 2019-12-01

Abstract

Abstract

It makes the Pulse Doppler (PD) radar widely applied that the PD radar has the obvious advantages of detecting the Doppler frequency of the target and suppressing the clutter effectively. However, it is difficult for the PD radar to detect the target due to velocity ambiguity. Combining with the characteristic and stagger-period model of the PD radar, a Doppler frequency estimation method based on all phase DFT Closed-Form Robust Chinese Remainder Theorem (CFRCRT) with spectrum correction is proposed. Both theoretical analysis and simulation experiment demonstrate that the proposed method can satisfy the engineering demand in measure accuracy and real-time performance.
- Pulse Doppler (PD) radar,
- Doppler frequency estimation,
- Chinese Remainder Theorem (CRT),
- Spectrum correction

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References

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