P25 LSM work in progress. CQPSK demodulator is working now, but there is a slight phase error in the constellation (it's rotated right by 5-10 degrees). I'm not sure if this is an error coming from the decoder, or if it's reflecting a phase imbalance from the source tuner i/q data.

src/sample/complex/ComplexSample.java

@@ -201,11 +201,27 @@ public class ComplexSample implements Serializable
 		return mLeft;
 	}
 	
+	/**
+	 * Absolute value of in-phase component
+	 */
+	public float inPhaseAbsolute()
+	{
+		return Math.abs( mLeft );
+	}
+
 	public float quadrature()
 	{
 		return mRight;
 	}
 	
+	/**
+	 * Absolute value of quadrature component
+	 */
+	public float quadratureAbsolute()
+	{
+		return Math.abs( mRight );
+	}
+
 	public float x()
 	{
 		return mLeft;