how can i design the FIR Filters using window function in MATLAB ;without using inbuilt functions.

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pragya
pragya 2014 年 8 月 1 日
回答済み: Honglei Chen 2014 年 8 月 1 日
Hi,
please provide me the code for-->
how can i design the FIR Filters using window function in MATLAB ;without using inbuilt functions.
thanks,

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Honglei Chen
Honglei Chen 2014 年 8 月 1 日
You will first know what kind of filters you want, things like cutoff frequencies, ripples, stop band attenuations. Based on these information you can start to choose the window that fits your needs and there are usually some formulas (some of them empirical) to help you choose the order of the filter. Then you simply generate the window. Here are some information:
http://cnx.org/content/m28304/latest/

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