Files
sdrtrunk/src/main/java/io/github/dsheirer/dsp/psk/SymbolInversion.java
Denny eaf7c7d11e 330 WIP on redesigning the P25 C4FM decoder. Creates a new decoder
based on the P25 LSM decoder using a costas loop and a gardner detector.
Updates the Demodulator Viewer FX application to add in a symbol chart
and a phase error chart.  The decoder won't lock on yet ... still a wip.
2018-02-17 13:41:36 -05:00

36 lines
1.2 KiB
Java

/*******************************************************************************
* sdr-trunk
* Copyright (C) 2014-2018 Dennis Sheirer
*
* This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with this program.
* If not, see <http://www.gnu.org/licenses/>
*
******************************************************************************/
package io.github.dsheirer.dsp.psk;
public enum SymbolInversion
{
DEGREES_90_PLUS(Math.PI / 2.0),
DEGREES_90_MINUS(Math.PI / -2.0),
DEGREES_180(Math.PI);
private double mAngleRadians;
SymbolInversion(double angleRadians)
{
mAngleRadians = angleRadians;
}
public double getError()
{
return mAngleRadians;
}
}