Jasper Gerth
A simple biquad filter
Dependents: emgfilter includeair includeair Encodertest ... more
Diff: Biquad.cpp
- Revision:
- 0:ba910c57d594
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Biquad.cpp Fri Oct 09 12:37:38 2015 +0000
@@ -0,0 +1,13 @@
+#include "Biquad.h"
+
+Biquad::Biquad(){};
+
+double Biquad::filter( double u, double &v1, double &v2, const double a1, const double a2,
+ const double b0, const double b1, const double b2 )
+{
+ double v = u - a1*v1 - a2*v2;
+ double y = b0*v + b1*v1 + b2*v2;
+ v2 = v1;
+ v1 = v;
+ return y;
+}