Stefan Kiegerl
/
FuncGen
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Revision 2:d2e5b6c37b4b, committed 2021-03-18
- Comitter:
- stkiegerl
- Date:
- Thu Mar 18 21:24:21 2021 +0100
- Parent:
- 1:dbd814e65f1d
- Commit message:
- -
Changed in this revision
| include/Tp1Ord.h | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/include/Tp1Ord.h Thu Mar 18 21:24:21 2021 +0100
@@ -0,0 +1,59 @@
+
+#ifndef Tp1Ord_h
+#define Tp1Ord_h
+
+class Tp1Ord {
+ private:
+ float _alpha;
+ float _beta;
+ float yn_1; // um eine Abtastung verzögertes y
+ public:
+ float y; // momentaner ausgangswert des Filtes
+ public:
+ Tp1Ord();
+
+ // Grenzfrequenz verstellen
+ void SetAlpha(float aAlpha);
+
+ void CalcOneStep(float aX);
+};
+
+Tp1Ord::Tp1Ord()
+{
+ y=yn_1=0;
+ SetAlpha(0.1); // Vernünftiges Alpha setzen
+}
+
+void Tp1Ord::SetAlpha(float aAlpha)
+{
+ _alpha=aAlpha;
+ _beta=1.0f-aAlpha;
+}
+
+void Tp1Ord::CalcOneStep(float aX)
+{
+ y = _alpha*aX + _beta*yn_1;
+ // Verzögerung berechnen
+ yn_1 = y;
+}
+
+#endif
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