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Altera_Forum's avatar
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

A LFSR sequence, that is not maximum length will most likely have other unwanted properties. It surely won't use all possible output codings and may have irregular frequency or amplitude density distribution. Actually is much more easy to generate a maximum length sequence than any other specified behaviour.