edef1dbed3
Created checkCounterSamples.m to validate sample continuity, counter wraps, and frame index progression. Verified counter bypass, sine bypass, and channelizer modes up to nFrames=1024 across 10 DPWs on ZCU111.
87 lines
1.8 KiB
Matlab
87 lines
1.8 KiB
Matlab
%% Derived from preload
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fs_eff = fs_RF/IntDecFactor; % Effective fs before interpolation / after decimation
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Ts_eff = 1/fs_eff;
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%% Host Sample Time in Simulation
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%TsHost = 5e-5;
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FPGAClkRate = fs_eff/SamplesPerCycle;
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TsFPGA = 1/FPGAClkRate;
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%% Tx signal generator parameters
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% NCO accumulator word length
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NCOAccumWL = 16;
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% NCO phase increment scale factor
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NCOIncScale = Ts_eff*2^NCOAccumWL;
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% NCO phase increments datatype
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NCOIncDT = numerictype(1,NCOAccumWL,0);
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% NCO counter increment datatype
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NCOCountIncDT = numerictype(1,NCOAccumWL*2,NCOAccumWL);
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%% Test signal parameters
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% Pulse width
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pulseWidth = 4e-6;
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% Pulse start/end frequencies
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pulseCentFreq = 0e6;
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pulseBw = 0e6; % Pulse bandwidth
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% Number of pulses
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numPulses = 10;
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% Pulse repetition interval
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PRF = 20e3;
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PRI = 1/PRF;
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% CW mode (bypass pulse generation)
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CwMode = true;
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if CwMode
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pulseWidth = 1000; % very long pulse help emulate CW
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end
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% Counter mode (bypass pulse and CW generation)
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CounterMode = true;
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% Output gain
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pulseGenGain = 1;
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%% Software parameters
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% Signal generator update rate
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TsSW = 0.5;
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%% Simulation parameters
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% Sim run time
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%stoptime = TsFPGA*(9 + 1*348 + 1 + 2*128 + 1); %10*TsSW; %TsFPGA*(1*128+348)
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%% Channelizer parameters
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%Number of channels, maximally decimated channelizer M/D=1
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nChan = 512;
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%Taps per band
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nTapsPerBand = 16;
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%Create channelizer object
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channelizer = dsp.Channelizer('NumFrequencyBands',nChan,...
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'DecimationFactor',nChan,...
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'NumTapsPerBand',nTapsPerBand);
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%Channelizer coefficients
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channelizerCoeffs = channelizer.coeffs.Numerator;
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%Channel bandwidth
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%chanBW = fs/nChan;
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%Starting frequency for each channel
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%chanFStart = chanBW/2:chanBW:(fs/2-chanBW/2);
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%Number of frames in the DPW
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nFrames = 1024;%nChan/SamplesPerCycle;
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% Frame size after serializing x2
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%frameSize = SamplesPerCycle/2; |