how to create custom filter from FRF

2017 11 25
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更新时间：2017 11 25
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Hi.. i have with me frequency and amplitude data taken from an FRF. i want to convert this frequency & amplitude data into a custom filter and apply it on a time data... please let me know how to create a custom filter with frequency and amplitude data...

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回答（1 个）

Star Strider
Star Strider 2017-11-25

0 个投票

There are some options in the Signal Processing Toolbox:
  • firls (link), will model the spectrum using least-squares approximation;
  • tfestimate (link) will identify the transfer function.
There are also functions in the System Identification Toolbox (link) that can identify your system and model it.
You can then optimize the filter design and implement it.

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提问:

Rajesh
Rajesh
2017-11-25

回答：

Star Strider
Star Strider
2017-11-25

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