I finally solved my problem here with lennon310. I have a picture of thousands of thin peaks in Time-Frequency picture. I cannot see all the same time in one picture. Depending on the physical width of my time window, some windows appear and some come visible.
Pictures of my data which I plot by imagesc
All pictures are from the same data points T, F, B.
How can you plot all peaks at once in a picture in Matlab?
You need to resize the image using resampling to prevent the aliasing effect (that craigim described as unavoidable).
For example, the MATLAB
imresize
function can perform anti-aliasing. Don't use the "nearest" resize method, that's what you have now.