现代电子技术
現代電子技術
현대전자기술
MODERN ELECTRONICS TECHNIQUE
2014年
15期
5-8
,共4页
Wigner-Ville%Wigner-Hough变换%交叉项%Matlab
Wigner-Ville%Wigner-Hough變換%交扠項%Matlab
Wigner-Ville%Wigner-Hough변환%교차항%Matlab
Wigner-Ville%Wigner-Hough transform%cross-term%Matlab
交叉项问题是合成孔径雷达信号处理的主要难题，为了解决常规的合成孔径雷达信号处理中的交叉项问题，从 Wigner-Ville引出 Wigner-Hough变换的原理，及Wigner-Hough变换处理这一问题的方法。通过 Matlab软件仿真实验，比较常规方法与Wigner-Hough变换处理后的合成孔径回波信号效果，经过Wigner-Hough变换处理后的回波信号解决了交叉项问题，凸显Wigner-Hough变换在处理合成孔径信号中的优势。
交扠項問題是閤成孔徑雷達信號處理的主要難題，為瞭解決常規的閤成孔徑雷達信號處理中的交扠項問題，從 Wigner-Ville引齣 Wigner-Hough變換的原理，及Wigner-Hough變換處理這一問題的方法。通過 Matlab軟件倣真實驗，比較常規方法與Wigner-Hough變換處理後的閤成孔徑迴波信號效果，經過Wigner-Hough變換處理後的迴波信號解決瞭交扠項問題，凸顯Wigner-Hough變換在處理閤成孔徑信號中的優勢。
교차항문제시합성공경뢰체신호처리적주요난제，위료해결상규적합성공경뢰체신호처리중적교차항문제，종 Wigner-Ville인출 Wigner-Hough변환적원리，급Wigner-Hough변환처리저일문제적방법。통과 Matlab연건방진실험，비교상규방법여Wigner-Hough변환처리후적합성공경회파신호효과，경과Wigner-Hough변환처리후적회파신호해결료교차항문제，철현Wigner-Hough변환재처리합성공경신호중적우세。
Cross-term is the critical problem of SAR signal processing. To solve it in the signal processing,the transform principles of Wigner-Hough were drawn forth from the Wigner-Ville,and then the method to deal with the problem in the Wigner-Hough transform was determined. The effects of the SAR echo signal of common methods and the Wigner-Hough transform method were compared by Matlab simulation experiment. The superiority of Wigner-Hough transform is obvious for processing the syn-thetic aperture echo signals.
