论文信息 - The waveform design of random hopping frequency based on "S" curve

The waveform design of random hopping frequency based on "S" curve

To improve the anti-interference capability of high range resolution radar, the random hopping frequency signal is required. A waveform design method of random hopping frequency signal based on "S" curve is presented. Firstly, the random hopping frequency signal with low peak side lobe is obtained by optimization. Then the frequency distribution is analyzed and fitted by "S" curve. The ambiguity function of RHF signal based on different window functions is evaluated. The results show that the random hopping frequency signal has low peak sidelobe level, small mainlobe broadening, strong anti-interference capability and low implementation cost, which indicates its high practical value in real applications.

Jiang Peng | Jianping Ou | Jun Zhang

[1] N. Levanon,et al. Frequency‐Modulated Pulse , 2004 .

[2] Fu Qi-zhong,et al. Performance Analysis of an Ultra-Low Side Lobe Non-Linear Frequency Modulation Signal for Pulse Compression , 2007 .

[3] G.H. Wang,et al. Sparse frequency transmit waveform design with soft power constraint by using PSO algorithm , 2008, 2008 IEEE Radar Conference.

[4] He Hai-xing,et al. Research on Spectra Modified Pulse Compression of S-Mode Nonlinear Frequency Modulated Signal , 2008 .

[5] Shunjun Wu,et al. Optimal sidelobe suppression filters design with a constraint of maximum loss in process gain , 2009 .

[6] Yang Si-liang,et al. Sidelobe Suppression for Step Frequency Waveform Based on Second-Order Cone Programming , 2011 .

[7] Zhu Yonggang,et al. Compressive sensing based adaptive synchronous estimation for Frequency Hopping signal , 2013, Proceedings 2013 International Conference on Mechatronic Sciences, Electric Engineering and Computer (MEC).