Generate

The Generate class helps to generate waveforms for certain periodic functions. As of now, the class supports generating the following functions:

1. Sine Signal
2. Cosine Signal
3. Square Signal
4. Sawtooth Signal
5. Gaussian Pulse
6. Unit Impulse
7. Morlet Wavelet
8. Ricker Wavelet
9. Paul Wavelet
10. Chirp Signal

All the signals generated here have a sampling frequency of 100Hz and signal frequency of 10Hz.

Sine Wave

Code

int Fs = 100;
Generate gp = new Generate(Fs);
int f1 = 10;
double[] out = gp.generateSineWave(f1);

Cosine Wave

Code

int Fs = 100;
Generate gp = new Generate(Fs);
int f1 = 10;
double[] out = gp.generateCosineWave(f1);

Square Wave

Code

int Fs = 100;
Generate gp = new Generate(Fs);
int f1 = 10;
double[] out = gp.generateSquareWave(f1);

Sawtooth Signal

Code

int Fs = 100;
Generate gp = new Generate(0, 1, Fs);
int f1 = 5;
double[] out_reg_sawtooth = gp.generateSawtooth(f1, 1); //Regular Sawtooth
double[] out_tri_sawtooth = gp.generateSawtooth(f1, 0.5); //Triangular Sawtooth
double[] out_inv_sawtooth = gp.generateSawtooth(f1, 0); //Inverse Sawtooth

Gaussian Pulse

Code

int Fs = 100;
Generate gp = new Generate(-1, 1, 2*Fs);
int f1 = 10;
double[] out = gp.generateGaussianPulse(f1);

Unit Impulse

Code

int Fs = 100;
Generate gp = new Generate(0, 1, Fs);
double position = 0.5; //middle of the signal
double[] out = gp.generateUnitImpulse(position);

Morlet Wavelet

Code

int Fs = 100;
Generate gp = new Generate(0, 1, Fs);
int points = 100;
double omega0 = 5; //central frequency
double scaling = 1;
double[] out = gp.generateMorlet(points, omega0, scaling);

Ricker Wavelet

Code

int Fs = 100;
Generate gp = new Generate(0, 1, Fs);
int points = 100;
double width = 4; 
double[] out = gp.generateRicker(points, width);

Paul Wavelet

Code

int Fs = 100;
Generate gp = new Generate(0, 1, Fs);
int order = 4;
int width = 11; 
double[] out = gp.generatePaul(order, width);

Chirp Signal

Code

int Fs = 100;
Generate gp = new Generate(0, 1, Fs);
double f0 = 0;
double f1 = 10;
double[] out = gp.generateChirp(f0, f1);