windowing a 2-d signal

Started by manxyzt April 12, 2009
can you help me about windowing a 2-d signal..

i want to window this data with Hanning window.. the data is 64x64 ISAR radar's backscattered data.. when i have an image by IFFT2 .. the image has unwanted sidelobes..

so i think if i can window this data i will have a better image.. do you have any idea about that??

how can i window 2-d signal??

thanks for help..