| A Novel 2-D Signal Processing Scheme for Quasi-Random Step Frequency Signal |
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| 引用本文： | 位寅生,刘永坦,许荣庆. A Novel 2-D Signal Processing Scheme for Quasi-Random Step Frequency Signal[J]. 系统工程与电子技术(英文版), 2003, 14(3) |
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| 作者姓名： | 位寅生 刘永坦 许荣庆 |
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| 作者单位： | Wei Yinsheng，Liu Yongtan & Xu Rongqing Research Institute of Electronic Engineering，Harbin Institute of Technology，Harbin 150001，P.R.China |
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| 摘 要： | Due to the heavy congestion in HF bands, HF radars are restricted to operating within narrow frequency bands. To improve the system bandwidth and avoid heavy interference bands, a quasi-random step frequency signal with discontinuous bands is presented. A novel two-dimensional signal processing scheme for this signal is proposed on the basis of delicate signal analysis. Simulation results demonstrate that the scheme could successfully realize the resolutions by de-
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A Novel 2-D Signal Processing Scheme for Quasi-Random Step Frequency Signal |
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| Wei Yinsheng,Liu Yongtan , Xu Rongqing Research Institute of Electronic Engineering,Harbin Institute of Technology,Harbin ,P.R.China. A Novel 2-D Signal Processing Scheme for Quasi-Random Step Frequency Signal[J]. Journal of Systems Engineering and Electronics, 2003, 14(3) |
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| Authors: | Wei Yinsheng Liu Yongtan & Xu Rongqing Research Institute of Electronic Engineering Harbin Institute of Technology Harbin P.R.China |
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| Affiliation: | Research Institute of Electronic Engineering, Harbin Institute of Technology, Harbin 150001, P.R.China |
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| Abstract: | Due to the heavy congestion in HF bands, HF radars are restricted to operating within narrow frequency bands. To improve the system bandwidth and avoid heavy interference bands, a quasi-random step frequency signal with discontinuous bands is presented. A novel two-dimensional signal processing scheme for this signal is proposed on the basis of delicate signal analysis. Simulation results demonstrate that the scheme could successfully realize the resolutions by decoupling the range-Doppler ambiguity, and effectively suppress the maximal sidelobe. Moreover, the scheme is simple and has good numerical stability. |
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| Keywords: | Random step frequency Sidelobe suppression Signal processing. |
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