Enhanced Doppler Resolution and Sidelobe Suppression Performance for Golay Complementary Waveforms
Abstract
:1. Introduction
2. Golay Complementary Waveforms and Pointwise Processors
2.1. Golay Pairs
2.2. Pointwise Minimization Procedure
2.3. Pointwise Thresholding Procedure
3. Simulation and Further Discussion
- , carrier frequency: 1 GHz;
- B, bandwidth: 50 MHz;
- , time sampling rate: 2 B;
- , Doppler sampling rate: 0.01 rad;
- T, PRI: 50 μs;
- N, pulse number: 32;
- L, chip number of Golay pair: 64;
- , chip interval: 0.1 μs;
- E∼, complex Gaussian zero-mean white noise: −10 dB (i.e., = 10 dB).
3.1. Fixed Scenario
3.2. Further Filtering for the PTP
3.3. Randomized Scenario
- (1)
- Target number: 2 (one strong and one weak);
- (2)
- Target number: 3 (one strong and two weak);
- (3)
- Target number: 4 (two strong and two weak);
- (4)
- Target number: 5 (three strong and two weak).
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Target | Delay | Doppler | Magnitude |
---|---|---|---|
Target No. 1 | 0 dB | ||
Target No. 2 | 0 dB | ||
Target No. 3 | −20 dB |
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Zhu, J.; Song, Y.; Jiang, N.; Xie, Z.; Fan, C.; Huang, X. Enhanced Doppler Resolution and Sidelobe Suppression Performance for Golay Complementary Waveforms. Remote Sens. 2023, 15, 2452. https://doi.org/10.3390/rs15092452
Zhu J, Song Y, Jiang N, Xie Z, Fan C, Huang X. Enhanced Doppler Resolution and Sidelobe Suppression Performance for Golay Complementary Waveforms. Remote Sensing. 2023; 15(9):2452. https://doi.org/10.3390/rs15092452
Chicago/Turabian StyleZhu, Jiahua, Yongping Song, Nan Jiang, Zhuang Xie, Chongyi Fan, and Xiaotao Huang. 2023. "Enhanced Doppler Resolution and Sidelobe Suppression Performance for Golay Complementary Waveforms" Remote Sensing 15, no. 9: 2452. https://doi.org/10.3390/rs15092452