updated costas_alpha to match OP25

robotastic · Jul 16, 2022 · a30ee30 · a30ee30
1 parent 400c2ba
commit a30ee30
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/trunk-recorder/recorders/p25_recorder_qpsk_demod.cc b/trunk-recorder/recorders/p25_recorder_qpsk_demod.cc
@@ -58,7 +58,7 @@ void p25_recorder_qpsk_demod::initialize() {
 
   // Gardner Costas Clock
   double gain_mu = 0.025; // 0.025
-  double costas_alpha = 0.04;
+  double costas_alpha = 0.008;
   double omega = double(system_channel_rate) / symbol_rate; // set to 6000 for TDMA, should be symbol_rate
   double gain_omega = 0.1 * gain_mu * gain_mu;
   double alpha = costas_alpha;

diff --git a/trunk-recorder/systems/p25_trunking.cc b/trunk-recorder/systems/p25_trunking.cc
@@ -195,7 +195,7 @@ void p25_trunking::initialize_qpsk() {
 
   // Gardner Costas Clock
   double gain_mu = 0.025; // 0.025
-  double costas_alpha = 0.04;
+  double costas_alpha = 0.008;
   double omega = double(system_channel_rate) / symbol_rate; // set to 6000 for TDMA, should be symbol_rate
   double gain_omega = 0.1 * gain_mu * gain_mu;
   double alpha = costas_alpha;