Taylar window(Kaiser) ,hamming,hanning window?
조회 수: 4 (최근 30일)
이전 댓글 표시
How difference between these three windows?
If Iam have signal(row vectrors) with length(32) ,How applied this three windows on my signal ?
댓글 수: 0
채택된 답변
Wayne King
2013년 12월 2일
편집: Wayne King
2013년 12월 2일
Assume x is your signal
x = randn(32,1);
x = x.*hamming(length(x));
The differences in the windows are largely about the width of the main lobe differences in the level of the sidelobes. You can launch wvtool to compare the sidelobe behavior.
wvtool(hamming(32))
Note that some important measurements about the window are displayed at the bottom.
댓글 수: 3
추가 답변 (1개)
Wayne King
2013년 12월 2일
Yes, after you window the data, you can obtain the DFT of the signals and then take the modulus squared for the magnitude-squared DFT
w111 =hanning(32) ;
Sig = Sig.*repmat(w111,1,8);
SigDFT = abs(fft(Sig).^2);
참고 항목
카테고리
Help Center 및 File Exchange에서 Kaiser에 대해 자세히 알아보기
제품
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!