first tests on FrFT

utilities/soc_rfsoc_init.m

@@ -24,8 +24,8 @@ NCOCountIncDT = numerictype(1,NCOAccumWL*2,NCOAccumWL);
 %% Test signal parameters
 
 % Pulse start/end frequencies
-pulseCentFreq = 0e6;
-pulseBw = 40e6; % Pulse bandwidth
+%pulseCentFreq = 0e6;
+pulseBw = 32e6; % Pulse bandwidth
 
 % Number of pulses
 numPulses = 10;
@@ -37,7 +37,7 @@ PRI = 1/PRF;
 
 % Pulse time duration
 %pulseT = 10; % use very long pulse help emulate CW
-pulseT = 20e-6;
+pulseT = 32e-6;
 
 % CW mode (bypass pulse generation)
 %CwMode = false;
@@ -83,8 +83,17 @@ channelizerCoeffs = channelizer.coeffs.Numerator;
 %Starting frequency for each channel
 %chanFStart = chanBW/2:chanBW:(fs/2-chanBW/2);
 
-%Number of frames in the DPW
-nFrames = 1024;%nChan/SamplesPerCycle;
+%% Frame and DPW capture parameters 
+samplesFrame = 512; % number of samples in one frame
+
+TFrame = samplesFrame*Ts_eff; % time duration of a frame
+
+%Number of frames in the DPW
+nFrames = 1024;
+
+%% FrFT tests
+pulseBeta = pulseBw/pulseT; % chirp-rate in Hz/s
+
+aMatch = -(2/pi)*(atan(fs_eff/(pulseBeta*TFrame)));
+%aMatch = -(2/pi)*(atan(fs_eff/(pulseBw*pulseT)));
 
-% Frame size after serializing x2
-%frameSize = SamplesPerCycle/2;