41 lines
1.1 KiB
Mathematica
41 lines
1.1 KiB
Mathematica
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%2024-11-09-verify IIR IP core
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clc;clear;close all
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in = importdata("/home/thfu/work/TailCorr/sim/in.dat");
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diff_in = importdata("/home/thfu/work/TailCorr/sim/diff_in.dat");
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wave_verdi = importdata("/home/thfu/work/TailCorr/sim/OrgOut.dat");
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% imp = [2^15-1; zeros(499,1)];
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A = [0.025 0.015 0.0002];
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tau = -[1/250 1/650 1/1600];
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fs = 2e9;
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for i = 1:3
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b(i) = exp(1e9/fs/(1-A(i))*tau(i));
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a(i) = A(i)/1/(1-A(i))*exp(1e9/fs/(1-A(i))/2*tau(i));
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end
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for i = 1:3
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h_ideal(:,i) = filter(a(i),[1 -b(i)],diff_in);
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end
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wave_float = in+ sum(h_ideal,2);
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[wave_float_A,wave_verdi_A] = alignsignals(wave_float,wave_verdi);
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N = min(length(wave_float_A),length(wave_verdi_A));
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figure()
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diff_plot(wave_float_A, wave_verdi_A,'float','verdi',[0 N]);
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%%
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% signalAnalyzer(h_ideal_A*2^20,out_A,'SampleRate',1);
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% signalAnalyzer(h_ideal_A,floor(out_A/2^20),'SampleRate',1);
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signalAnalyzer(wave_float_A,wave_verdi_A,'SampleRate',1);
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% signalAnalyzer((h_ideal_A(1:N)-out_A(1:N))/2^35,'SampleRate',1);
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%%
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fprintf("a is %.10f\n",a)
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fprintf("b is %.10f\n",b)
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%%
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fprintf("a of 32 bit %d\n",round(a*2^31));
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fprintf("b of 32 bit %d\n",round(b*2^31));
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