shameem
Member level 5
hi,
i am working on the dab receiver designing.i am having a signal containing 8.192 mega samples of 8 bit adc, but i want to use fft window size 2048. So i want to decimate the samples by a factor 4. i want to know that wheather a fir decimation filter is necessary to decimate or i can decimate the samples simply by taking 1 samples in group of 4 samples.
if anybody have an idea, please help me.
i am working on the dab receiver designing.i am having a signal containing 8.192 mega samples of 8 bit adc, but i want to use fft window size 2048. So i want to decimate the samples by a factor 4. i want to know that wheather a fir decimation filter is necessary to decimate or i can decimate the samples simply by taking 1 samples in group of 4 samples.
if anybody have an idea, please help me.