求助：正弦值表

#include <stdio.h>

#include <stdlib.h>

#include <math.h>



#define MAXVOLT 220*M_SQRT2

#define ELEMENTS 8192



int main()

{

    double WaveForm[ELEMENTS],VoltAC,AvgVolt=0;

    int Temp;

    for(Temp=0; Temp<ELEMENTS; Temp++)WaveForm[Temp]=MAXVOLT*sin(Temp * 2.0*M_PI / ELEMENTS);

    VoltAC=0;

    for(Temp=0; Temp<ELEMENTS; Temp++)VoltAC+=fabs(WaveForm[Temp]);

    printf("AC Value, Average Measurement, RMS Calibration = %fV\n\r",VoltAC*(M_PI/(2.0*M_SQRT2))/ELEMENTS);

    VoltAC=0;

    for(Temp=0; Temp<ELEMENTS; Temp++)VoltAC+=WaveForm[Temp]*WaveForm[Temp];

    printf("AC Value, TrueRMS Measurement = %fV\n\r",sqrt(VoltAC/ELEMENTS));

    for(Temp=ELEMENTS/2; Temp<ELEMENTS; Temp++)WaveForm[Temp]=0; // Connect Diode

    VoltAC=0;

    for(Temp=0; Temp<ELEMENTS; Temp++)VoltAC+=fabs(WaveForm[Temp]);

    printf("Diode Connected\n\rAC/DC Value, Average Measurement, RMS Calibration, Direct Coupled = %fV\n\r",VoltAC*(M_PI/(2.0*M_SQRT2))/ELEMENTS);

    VoltAC=0;

    for(Temp=0; Temp<ELEMENTS; Temp++)VoltAC+=WaveForm[Temp]*WaveForm[Temp];

    printf("AC/DC Value, TrueRMS Measurement, Direct Coupled = %fV\n\r",sqrt(VoltAC/ELEMENTS));

    VoltAC=0;

    for(Temp=0; Temp<ELEMENTS; Temp++)VoltAC+=WaveForm[Temp];

    printf("DC Value, Average Measurement, w/o RMS Calibration, Direct Coupled = %fV\n\r",VoltAC/ELEMENTS);

    for(Temp=0; Temp<ELEMENTS; Temp++)AvgVolt+=WaveForm[Temp]; // Connect Capacitor

    for(Temp=0; Temp<ELEMENTS; Temp++)WaveForm[Temp]-=(AvgVolt/ELEMENTS); // Connect Capacitor

//    printf("Offset = %f\n\r",AvgVolt/ELEMENTS);

    VoltAC=0;

    for(Temp=0; Temp<ELEMENTS; Temp++)VoltAC+=fabs(WaveForm[Temp]);

    printf("AC Value, Average Measurement, RMS Calibration, Capacitor Coupled = %fV\n\r",VoltAC*(M_PI/(2.0*M_SQRT2))/ELEMENTS);

    VoltAC=0;

    for(Temp=0; Temp<ELEMENTS; Temp++)VoltAC+=WaveForm[Temp]*WaveForm[Temp];

    printf("AC Value, TrueRMS Measurement, Capacitor Coupled = %fV\n\r",sqrt(VoltAC/ELEMENTS));

}