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P25 LSM decoder work in progress. Adds a CQPSK decoder based on Max's (KA1RBI) scope.py and gardner loop.

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The CQPSK decoder is starting to take shape, but needs more tweaking and testing.  It's not keeping a good lock on strong P25 signals.  I have to add some more features to the intrumentation package to allow me to visualize the internals of the CQPSK decoder so that I can get a better sense of what needs fine tuning.

The CQPSK decoder may work for anyone that wants to sync the repo and run the build script.
This commit is contained in:
dennis.sheirer
2015-02-10 00:42:08 +00:00
parent 9310fb0daf
commit a65e821e85
43 changed files with 1996 additions and 413 deletions
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17
src/decode/config/DecodeConfigP25Phase1.java
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@@ -17,10 +17,16 @@
******************************************************************************/
package decode.config;
import javax.xml.bind.annotation.XmlAttribute;
import decode.DecoderType;
import decode.p25.P25Decoder;
import decode.p25.P25Decoder.Modulation;
public class DecodeConfigP25Phase1 extends DecodeConfiguration
{
private P25Decoder.Modulation mModulation = Modulation.C4FM;
public DecodeConfigP25Phase1()
{
super( DecoderType.P25_PHASE1 );
@@ -32,4 +38,15 @@ public class DecodeConfigP25Phase1 extends DecodeConfiguration
{
return false;
}
@XmlAttribute( name = "modulation" )
public P25Decoder.Modulation getModulation()
{
return mModulation;
}
public void setModulation( P25Decoder.Modulation modulation )
{
mModulation = modulation;
}
}