Formula Waveform VI

Owning Palette: Waveform Generation VIs

Requires: Full Development System

Creates an output waveform using a formula string to specify the time function to be used.

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	offset is the DC offset of the signal. The default is 0.0.
	reset signal, if TRUE, resets the time stamp to zero. The default is FALSE.
	frequency is the frequency of the waveform in units of hertz. The default is 100.
	amplitude is the amplitude of the waveform. The amplitude is also the peak voltage. The default is 1.0.
	formula is the representation used to generate the signal out waveform. The default is sin(w*t)*sin(2*pi(1)*10). The following table lists the defined variable names. f Frequency equal to the frequency input a Amplitude equal to the amplitude input w 2*pi*f n Number of samples generated so far t Number of elapsed seconds fs Sampling frequency equal to sampling infoFs
	error in describes error conditions that occur before this node runs. This input provides standard error in functionality.
	sampling info contains sampling information. Fs is the sampling rate in samples per second. The default is 1000. #s is the number of samples in the waveform. The default is 1000.
	signal out is the generated waveform.
	error out contains error information. This output provides standard error out functionality.

Formula Waveform Details

Related Information

Formula Node and Expression Node Functions

Example

Refer to the Waveform Generation Using Formula VI in the labview\examples\Signal Processing\Waveform Measurements directory for an example of using the Formula Waveform VI.

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