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

Contact us about
your application!

Timing Sine Modulator Freq


Macro: TmModFreq

If you select Sine as the Timing Modulation Source, this control sets the modulator frequency. As with most Generator frequency controls, its operation is affected by the Frequency Step setting. This defaults to Direct, with 1 Hz steps when you use the scroll arrows.

There is only one Sine source that is shared among the Quant, Bias, and Shift modulators on any Stream, so changes in one dialog will change this value in the others in that stream. Although any 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 Quant., Bias., or Shift. prefixes in addition to channel and stream prefixes to specify the modulator for the TmModFreq command.

For example, L.1.Quant.TmModFreq=10 will set Left Stream 1 Quant Modulator Frequency to 10 Hertz. TmModFreq=>1 will increment or TmModFreq=>-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 Timing Modulation, Random / Step Timing Dialog, Waveform Stream Controls.

GO:

Questions? Comments? Contact us!

We respond to ALL inquiries, typically within 24 hrs.
INTERSTELLAR RESEARCH:
Over 25 Years of Innovative Instrumentation
© Copyright 2007 - 2008 by Interstellar Research
All rights reserved