DATA DECIMATION. WHAT DO I DO?
By Dr Colin Mercer, Technical Director, Prosig
Sometimes we have digitised data at a much higher rate than we need. How can we reduce the sampling rate? If I wanted to say halve the sample rate can I just throw away every other data point?
The answer is NO, except in pathological conditions where you know that there is no frequency content above the new Nyquist frequency. read »»»
