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Alternative TitleApply Super-SVA to Processing Stepped Frequency Chirp Signal with Bandwidth Gaps
翟文帅; 张云华; 北京8701信箱
Source Publication电子与信息学报
Keyword调频步进信号 Super-sva 栅瓣 旁瓣 超分辨
Other AbstractStepped Frequency Chirp Signal (SFCS) is one of usually used signals in high-resolution radar. It is a combination of chirp signal and stepped frequency continuous waveform, and has advantages of the both signals. In the design of real radar system, if the frequency step (Δf) can be larger than the bandwidth of sub-chirp (Bm), then it will be very helpful for using less number of sub-chirps to obtain larger bandwidth and reducing the influence of target motion on the quality of synthesized signal. However there will have high grating lobes in range profile when Δf>Bm if without further processing. Here an algorithm is proposed by using Super-SVA to extrapolate the bandwidth of each sub-chirp so as to fulfill the bandwidth gaps between sub-chirps and efficiently eliminate grating lobes. Super-SVA is also applied to the synthesized range profile, then the sidelobes can be further depressed. The simulation results verify the effectiveness of the proposed algorithm.
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
翟文帅,张云华,北京8701信箱. 运用Super_SVA方法处理频谱不连续调频步进信号[J]. 电子与信息学报,2009,31(12):2848-2852.
APA 翟文帅,张云华,&北京8701信箱.(2009).运用Super_SVA方法处理频谱不连续调频步进信号.电子与信息学报,31(12),2848-2852.
MLA 翟文帅,et al."运用Super_SVA方法处理频谱不连续调频步进信号".电子与信息学报 31.12(2009):2848-2852.
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