Daqarta
Data AcQuisition And Real-Time Analysis
Scope - Spectrum - Spectrogram - Signal Generator
Software for Windows
Science with your Sound Card!
The following is from the Daqarta Help system:

Features:

Oscilloscope

Spectrum Analyzer

Signal Generator
(Absolutely FREE!)

Spectrogram

True RMS Voltmeter

Sound Level Meter

Frequency Counter

Period Counter

Event Counter

Spectral Event Counter

Waveform Averager

Histogram

Post-Stimulus Time
Histogram (PSTH)

Macro System

Multi-Trace Arrays

Trigger Controls

Auto-Calibration

Spectral Peak Track

Direct-to-Disk Recording

Accessibility

Applications:

Frequency response

Distortion measurement

Speech and music

Microphone calibration

Loudspeaker test

Musical instrument tuning

Animal sound

Evoked potentials

Rotating machinery

Vehicle pass-by noise

Product test

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your application!

Burst Sine Modulator Frequency


Macro: BurstModFreq

If you select Sine as the Burst Time Modulation Source, this control sets the modulator frequency.

There is only one Sine source that is shared among all Burst modulators on any Stream, so changes in one dialog of that stream will change this value in the others. Although any modulators that use the Sine source will have the same frequency and phase, you can use other frequencies (or waveforms) via Stream Modulation.


Macro Notes:

Use Lag., Rise., High., Fall., Cycle., Count., or Train. prefixes in addition to channel and stream prefixes to specify the modulator for the BurstModFreq command.

For example, L.1.Lag.BurstModFreq=10 will set Left Stream 1 Burst Lag Modulator Frequency to 10 Hertz. BurstModFreq=>1 will increment or BurstModFreq=>-1 will decrement the current Modulator Frequency by 1 Frequency Step. Only +/-1 step is allowed per command, but the step size and type can be controlled via the Frequency Step dialog. Note: The Frequency Step setting affects the behavior of most Generator frequency controls.


See also Modulating Burst Values, Burst Dialog, Waveform Stream Controls.

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