Diff: Tp1Ord.h

Revision:

3:9fd12684fa88

diff -r 3abf5ddd9fc0 -r 9fd12684fa88 Tp1Ord.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Tp1Ord.h	Tue Mar 23 17:13:12 2021 +0000
@@ -0,0 +1,60 @@
+
+#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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