Update firpfb.c
typo
@@ -97,7 +97,7 @@ FIRPFB() FIRPFB(_create)(unsigned int _M,
return q;
}
-// create firpfb from external coefficients
+// create firpfb using kaiser window
// _M : number of filters in the bank
// _m : filter semi-length [samples]
// _fc : filter cut-off frequency 0 < _fc < 0.5
@@ -122,7 +122,7 @@ FIRPFB() FIRPFB(_create_kaiser)(unsigned int _M,
exit(1);
}
- // generate square-root Nyquist filter
+ // design filter using kaiser window
unsigned int H_len = 2*_M*_m + 1;
float Hf[H_len];
liquid_firdes_kaiser(H_len, _fc/(float)_M, _As, 0.0f, Hf);
