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help me pliz....filter in matlab

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caleigh

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design a lowpass filter with following specifications:
o 1500 c f = Hz and 1650 s f = Hz.
o No ripple in passband is allowed.
o Your filter order should not be more than 15. (Check the right panel to see the
order of your filter)
o s R should be at least 30 dB.
• Apply your filter to the noise signal and to the noise.

how to do this?
the coding i mean
 

first you can use fdatool for matlab
then mention the type of filter you would like to design
FIR or IIR ?
see the signal processing toolbox in matlab
 

1st mention filter type,IIR or FIR,if u want to use IIR filter then go to fdatool give ur specification & approximation u'll get the filter now transport its coefficent to workspace & use it,if u want to use FIR then do the same thing in wintool,also built in functions are available in workspace,u can see their help
 

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