Package org.yamcs.studio.data.sim

Class GaussianWaveform

java.lang.Object

org.yamcs.studio.data.sim.SimFunction<VDoubleArray>

org.yamcs.studio.data.sim.GaussianWaveform

public class GaussianWaveform
extends SimFunction<VDoubleArray>

Function to simulate a waveform containing a gaussian that moves to the left.

Field Summary

Fields inherited from class org.yamcs.studio.data.sim.SimFunction

lastTime

Constructor Summary

Constructors

Constructor	Description
GaussianWaveform()	Creates a gaussian wave of 100 samples, with period of 1 second, standard deviation of 100 samples, updating every 100ms (10Hz).
GaussianWaveform(Double periodInSeconds, Double stdDev, Double nSamples, Double updateRateInSeconds)	Creates a gaussian wave of given number of samples, with given period and standard, updating at the given rate

Method Summary

Modifier and Type	Method	Description
static double	gaussian(double x, double centerX, double width)	1D gaussian, centered on centerX and with the specified width.

Methods inherited from class org.yamcs.studio.data.sim.SimFunction

createValues, getTimeBetweenSamples

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

GaussianWaveform

public GaussianWaveform()

Creates a gaussian wave of 100 samples, with period of 1 second, standard deviation of 100 samples, updating every 100ms (10Hz).

GaussianWaveform

public GaussianWaveform(Double periodInSeconds,
 Double stdDev,
 Double nSamples,
 Double updateRateInSeconds)

Creates a gaussian wave of given number of samples, with given period and standard, updating at the given rate

Parameters:

periodInSeconds - the period measured in seconds

stdDev - standard deviation of the gaussian distribution

nSamples - number of elements in the waveform

updateRateInSeconds - time between samples in seconds

Method Details

gaussian

public static double gaussian(double x,
 double centerX,
 double width)

1D gaussian, centered on centerX and with the specified width.

Parameters:

x - coordinate x

centerX - center of the gaussian on x

width - width of the gaussian in all directions

Returns:

the value of the function at the given coordinates