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Altera_Forum
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16 years ago

White Noise Spectrum

I have use a simple LFSR to generare random number to generate white noise. Set of random number are pass through to FFT(power in db vs freq). However, the freq response is increasing at low freq. Th...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Without telling the LFSR sequence and FFT length, the problem can't be discussed seriously. It's obvious however, that a LFSR can't generate frequency components below 1/T, where T is the sequence duration.