fers_signal::DecadeUpsampler Class Reference

Implements a specialized upsampler with a fixed upsampling factor of 10. More...

#include "dsp_filters.h"

Public Member Functions
	DecadeUpsampler ()
	~DecadeUpsampler ()=default
void	upsample (RealType sample, std::span< RealType > out) const
	Upsamples a single sample.
	DecadeUpsampler (const DecadeUpsampler &)=delete
DecadeUpsampler &	operator= (const DecadeUpsampler &)=delete
	DecadeUpsampler (DecadeUpsampler &&) noexcept=default
DecadeUpsampler &	operator= (DecadeUpsampler &&) noexcept=default

Detailed Description

Implements a specialized upsampler with a fixed upsampling factor of 10.

Definition at line 156 of file dsp_filters.h.

Constructor & Destructor Documentation

DecadeUpsampler() [1/3]

fers_signal::DecadeUpsampler::DecadeUpsampler

(

)

11th order elliptic lowpass at 0.1fs

Definition at line 177 of file dsp_filters.cpp.

    {
        /// 11th order elliptic lowpass at 0.1fs
        constexpr std::array den_coeffs = {1.0,
                                           -10.301102119865,
                                           48.5214567642597,
                                           -137.934509572412,
                                           262.914952985445,
                                           -352.788381841481,
                                           340.027874008585,
                                           -235.39260470286,
                                           114.698499845697,
                                           -37.4634653062448,
                                           7.38208765922137,
                                           -0.664807695826097};
 
        constexpr std::array num_coeffs = {2.7301694322809e-06,   -1.8508123430239e-05,  5.75739466753894e-05,
                                           -0.000104348734423658, 0.000111949190289715,  -4.9384188225528e-05,
                                           -4.9384188225522e-05,  0.00011194919028971,   -0.000104348734423656,
                                           5.75739466753884e-05,  -1.85081234302388e-05, 2.73016943228086e-06};
 
        _filter = std::make_unique<IirFilter>(den_coeffs.data(), num_coeffs.data(), den_coeffs.size());
    }

~DecadeUpsampler()

fers_signal::DecadeUpsampler::~DecadeUpsampler ( )

default

References fers_signal::upsample().

Here is the call graph for this function:

DecadeUpsampler() [2/3]

fers_signal::DecadeUpsampler::DecadeUpsampler ( const DecadeUpsampler &  )

delete

DecadeUpsampler() [3/3]

fers_signal::DecadeUpsampler::DecadeUpsampler ( DecadeUpsampler &&  )

defaultnoexcept

Member Function Documentation

operator=() [1/2]

DecadeUpsampler & fers_signal::DecadeUpsampler::operator= ( const DecadeUpsampler &  )

delete

operator=() [2/2]

DecadeUpsampler & fers_signal::DecadeUpsampler::operator= ( DecadeUpsampler &&  )

defaultnoexcept

upsample()

void fers_signal::DecadeUpsampler::upsample	(	RealType	sample,
		std::span< RealType >	out
	)		const

Upsamples a single sample.

Parameters

sample	The sample to be upsampled.
out	Span of output samples.

Definition at line 201 of file dsp_filters.cpp.

    {
        if (out.size() != 10)
        {
            throw std::invalid_argument("Output span must have a size of 10.");
        }
        out[0] = sample;
        std::fill(out.begin() + 1, out.end(), 0);
        _filter->filter(out);
    }

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The documentation for this class was generated from the following files:

• packages/libfers/src/signal/dsp_filters.h
• packages/libfers/src/signal/dsp_filters.cpp