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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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6
src/decode/DecoderFactory.java
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@@ -28,6 +28,7 @@ import decode.config.AuxDecodeConfiguration;
import decode.config.DecodeConfigLTRNet;
import decode.config.DecodeConfigLTRStandard;
import decode.config.DecodeConfigMPT1327;
import decode.config.DecodeConfigP25Phase1;
import decode.config.DecodeConfiguration;
import decode.fleetsync2.Fleetsync2Decoder;
import decode.fleetsync2.FleetsyncChannelState;
@@ -99,7 +100,10 @@ public class DecoderFactory
retVal = new PassportDecoder( sampleType, aliasList );
break;
case P25_PHASE1:
retVal = new P25Decoder( sampleType, aliasList );
DecodeConfigP25Phase1 p25Config = (DecodeConfigP25Phase1)config;
retVal = new P25Decoder( sampleType, p25Config.getModulation(),
aliasList );
break;
default:
throw new IllegalArgumentException(