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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

i wrote a maximum length 16 tap Fibonacci LFSR, ran 65536 iterations and at DC the output is ~5dB higher than at fs/4 where it is relatively flat until fs/2. i'm using a rectangular window but i don't think that's the issue.