146 lines
4.5 KiB
C
146 lines
4.5 KiB
C
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#ifndef GTL_MATH_APFC_H
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#define GTL_MATH_APFC_H
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#include <QObject>
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#include <algorithm>
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#include "core/gtl_device.h"
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#include "core/gtl_analog_data.h"
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#include "gtl_math_fft.h"
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#include "math_global.h"
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namespace gtl {
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namespace math {
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class MATH_EXPORT apfc : public QObject, public std::vector<std::pair<qreal,qreal>>
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{
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Q_OBJECT
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Q_PROPERTY(qreal frequency READ frequency WRITE set_frequency NOTIFY frequency_changed);
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Q_PROPERTY(qreal resolution READ resolution WRITE set_resolution NOTIFY resolution_changed);
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Q_PROPERTY(windows window READ window WRITE set_window NOTIFY window_changed);
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Q_PROPERTY(int lines READ lines WRITE set_lines NOTIFY lines_changed);
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Q_PROPERTY(int average READ average WRITE set_average NOTIFY average_changed);
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Q_PROPERTY(int overlap READ overlap WRITE set_overlap NOTIFY overlap_changed);
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Q_PROPERTY(qreal acq_time READ acq_time NOTIFY acq_time_changed);
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Q_PROPERTY(afcs afc READ afc WRITE set_afc NOTIFY afc_changed);
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Q_PROPERTY(pfcs pfc READ pfc WRITE set_pfc NOTIFY pfc_changed);
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Q_PROPERTY(qreal threshold READ threshold WRITE set_threshold NOTIFY threshold_changed)
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public:
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typedef fft::windows windows;
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// Q_ENUM(windows)
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enum afcs
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{
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magnitude,
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db,
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coherence
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};
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Q_ENUM(afcs)
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enum pfcs
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{
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deg,
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rad
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};
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Q_ENUM(pfcs)
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apfc(gtl::analog_data *ref, gtl::analog_data *data);
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~apfc();
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void set_ref(gtl::analog_data *ref);
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void set_data(gtl::analog_data *data);
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qreal frequency() const;
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void set_frequency(qreal value);
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qreal resolution() const;
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void set_resolution(qreal value);
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windows window() const;
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void set_window(windows value);
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int lines() const;
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void set_lines(int value);
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uint average() const;
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void set_average(int value);
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qreal overlap() const;
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void set_overlap(int value);
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gtl::analog_data *ad() const;
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qreal acq_time() const;
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afcs afc() const;
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void set_afc(afcs value);
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pfcs pfc() const;
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void set_pfc(pfcs value);
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qreal threshold() const;
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void set_threshold(qreal newThreshold);
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private:
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void cleanup();
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bool _is_acq;
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int _av; // Количество усреднений
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afcs _afc; // Единицы измерения АЧХ
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pfcs _pfc; // Единицы измерения ФЧХ
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int _av_cnt; // Счетчик усреднений
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bool _av_filled; // Флаг заполнения окна усреднения
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qreal _ac; // Процент завершения усреднения
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qreal _threshold; // Порог % от max
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// gtl::analog_data* _ad;
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std::vector<std::vector<std::pair<qreal,qreal>>*> _buffer_out;
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std::vector<std::pair<qreal,qreal>>::iterator _calculated_it; // Итератор текущего буффера для вычисления спектра
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int _size_fft_calc; // Размер буфера/ 2 - до частоты Котельникова
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int _size_fft_out; // Количество отображаемых линий
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math::fft* _ref; // БПФ эталона
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math::fft* _data; // БПФ данных
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gtl::device* _device;
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protected:
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virtual void calculate();
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virtual void before_updating();
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virtual void after_updating();
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private slots:
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virtual void device_recieved_data();
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void init();
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public slots:
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void stop_acq();
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signals:
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void frequency_changed();
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void resolution_changed();
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void window_changed();
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void lines_changed();
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void average_changed();
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void overlap_changed();
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void acq_time_changed();
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void afc_changed();
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void pfc_changed();
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void threshold_changed();
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void initialized();
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void changed();
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void acquired(qreal);
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void deleting();
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};
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} // namespace math
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} // namespace gtl
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#endif // GTL_MATH_APFC_H
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