Problem in plotting Frequency Response

2015 4 16
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更新时间：2015 4 16
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I have samples of a signal varying form 100MHz to 110MHz. How do i plot the frequency response of this signal? I tried fvtool() and fft(). But these plots give me NORMALIZED frequency response. Is there any other method to plot the absolute freq response?

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回答（1 个）

Honglei Chen
Honglei Chen 2015-4-16
编辑：Honglei Chen 2015-4-16

0 个投票

On the fvtool menu bar, you can click Analysis -> Sampling Frequency to specify the sampling rate. fvtool will then scale the frequency axis according to the sampling rate.
HTH

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