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https://github.com/SatDump/SatDump
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35 lines
1.1 KiB
C++
35 lines
1.1 KiB
C++
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#include "correct_iq.h"
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#include "common/dsp/complex.h"
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namespace satdump
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{
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namespace ndsp
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{
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template <typename T>
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CorrectIQBlock<T>::CorrectIQBlock()
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: BlockSimple<T, T>(std::is_same_v<T, complex_t> ? "correct_iq_cc" : "correct_iq_ff", {{"in", std::is_same_v<T, complex_t> ? DSP_SAMPLE_TYPE_CF32 : DSP_SAMPLE_TYPE_F32}},
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{{"out", std::is_same_v<T, complex_t> ? DSP_SAMPLE_TYPE_CF32 : DSP_SAMPLE_TYPE_F32}})
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{
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beta = 1.0f - alpha;
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}
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template <typename T>
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CorrectIQBlock<T>::~CorrectIQBlock()
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{
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}
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template <typename T>
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uint32_t CorrectIQBlock<T>::process(T *in, uint32_t nsamples, T *out)
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{
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for (uint32_t i = 0; i < nsamples; i++)
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{
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acc = acc * beta + in[i] * alpha;
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out[i] = in[i] - acc;
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}
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return nsamples;
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}
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template class CorrectIQBlock<complex_t>;
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template class CorrectIQBlock<float>;
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} // namespace ndsp
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} // namespace satdump
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