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Alternative TitleA De-Chirp Process ingMethod forW ide-BandStepped-Frequency Chirp Signals
江碧涛; 张云华; 姜景山; 北京8701信箱
Source Publication测试技术学报
Keyword宽带调频步进信号 逆合成孔径雷达 全去斜处理 脉冲压缩
Other AbstractA de-ch irp p rocessing method was in troduced for stepped-frequency ch irp signals (SFCS) in the app lication of ISAR. In this method, de-chirp operat ion was perfo rmed on each sub-ch irp pu lse signal, the resu lted t ime-domain data w as sh if ted along t ime-ax is acco rding to the frequency step and the slope of sub-chirp signal, and then comb ined altogether coherently.Finally IFFT w as performed on the comb ined t ime-domain data to get a range p rof ile co rresponding to each bu rst of pu lsesw ith much higher resolution ach ieved than single chirp does.Comparison between the propo sed method and the subapertu re method based on matched f iltering, as w ell as simulations were presen ted to show the effect iveness of the method.
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
江碧涛,张云华,姜景山,等. 宽带调频步进信号的全去斜处理方法[J]. 测试技术学报,2008,22(3):225-230.
APA 江碧涛,张云华,姜景山,&北京8701信箱.(2008).宽带调频步进信号的全去斜处理方法.测试技术学报,22(3),225-230.
MLA 江碧涛,et al."宽带调频步进信号的全去斜处理方法".测试技术学报 22.3(2008):225-230.
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