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how to get zero mean normalized input

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ahmad ramadan
ahmad ramadan 2018-10-18
回答： Star Strider 2018-10-18
how to get zero mean normalized input for for example saw tooth sequence

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回答（2 个）

Dimitris Kalogiros
Dimitris Kalogiros 2018-10-18
If you already have produced an input signal xin, before using it, you must remove its dc component:
xin=xin-mean(xin)
best regards
Star Strider
Star Strider 2018-10-18
Much depends on what you intend by ‘normalize’.
If you have R2018a or later, use the normalize (link) function. This produces a z-score of your data, the equivalent of (for a vector ‘x’):
zscr = @(x) (x(:) - mean(x(:))) / std(x(:));

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