vibration.hpp File Reference

#include <memory_resource>
#include <nk/value/value.hpp>
#include <tuple>

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Functions
std::tuple< Value, Value >	nk::signal::envspectrum (const Value &x, double fs=0.0, std::pmr::memory_resource *mr=nullptr)
	Envelope spectrum: magnitude FFT of the AC-coupled analytic-signal envelope.
std::tuple< Value, Value >	nk::signal::tachorpm (const Value &x, double fs, const Value &threshold=Value::Empty, int ppr=1, std::pmr::memory_resource *mr=nullptr)
	Convert a tachometer pulse signal to an RPM trace.
Value	nk::signal::rainflow (const Value &x, std::pmr::memory_resource *mr=nullptr)
	Rainflow cycle counting (ASTM E1049-85).
std::tuple< Value, Value >	nk::signal::tsa (const Value &x, double fs, const Value &rpm, double fs_rpm, int n_per_rev=1024, std::pmr::memory_resource *mr=nullptr)
	Time-synchronous average (TSA).