文件名称:fir_lin_phase_lowpass_min_ripple
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Designs a linear phase FIR lowpass filter such that it:
- minimizes the maximum passband ripple
- has a constraint on the maximum stopband attenuation- This is a convex problem.
minimize delta
s.t. 1/delta <= H(w) <= delta for w in the passband
|H(w)| <= atten_level for w in the stopband
where H is the frequency response function and variables are
delta and h (the filter impulse response).
- minimizes the maximum passband ripple
- has a constraint on the maximum stopband attenuation- This is a convex problem.
minimize delta
s.t. 1/delta <= H(w) <= delta for w in the passband
|H(w)| <= atten_level for w in the stopband
where H is the frequency response function and variables are
delta and h (the filter impulse response).
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fir_lin_phase_lowpass_min_ripple.m