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Add methods to print filter taps as Matlab vectors

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This commit is contained in:
Jon Beniston 2023-03-03 16:29:22 +00:00
parent 95b46937a7
commit 0c05e6dee2
2 changed files with 28 additions and 0 deletions
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14
sdrbase/dsp/firfilter.h
View File

@ -19,6 +19,7 @@
#pragma once #pragma once
#include <cmath> #include <cmath>
#include <cstdio>
#include "dsp/dsptypes.h" #include "dsp/dsptypes.h"
#include "dsp/misc.h" #include "dsp/misc.h"
#include "export.h" #include "export.h"
@ -57,6 +58,19 @@ public:
return acc; return acc;
} }
// Print taps as a Matlab vector
void printTaps(const char *name)
{
printf("%s = [", name);
for (int i = 0; i <= m_taps.size() - 1; ++i) {
printf("%g ", m_taps[i]);
}
for (int i = m_taps.size() - 2; i >= 0; --i) {
printf("%g ", m_taps[i]);
}
printf("];\n");
}
protected: protected:
void init(int nTaps) void init(int nTaps)
{ {

14
sdrbase/dsp/raisedcosine.h
View File

@ -20,6 +20,7 @@
#define INCLUDE_RAISEDCOSINE_H #define INCLUDE_RAISEDCOSINE_H
#include <cmath> #include <cmath>
#include <cstdio>
#include "dsp/dsptypes.h" #include "dsp/dsptypes.h"
// Raised-cosine low-pass filter for pulse shaping, without intersymbol interference (ISI) // Raised-cosine low-pass filter for pulse shaping, without intersymbol interference (ISI)
@ -131,6 +132,19 @@ public:
return acc; return acc;
} }
// Print taps as a Matlab vector
void printTaps(const char *name)
{
printf("%s = [", name);
for (int i = 0; i <= m_taps.size() - 1; ++i) {
printf("%g ", m_taps[i]);
}
for (int i = m_taps.size() - 2; i >= 0; --i) {
printf("%g ", m_taps[i]);
}
printf("];\n");
}
private: private:
std::vector<Real> m_taps; std::vector<Real> m_taps;
std::vector<Type> m_samples; std::vector<Type> m_samples;