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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.
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Ramp / Staircase Wave Dialog

Controls: Gen Dlg >> Stream >> Wave >> Ramp
Macro: Wave=Ramp

The button brings up a separate dialog. As with the triangle, this is a bipolar wave, but it can be converted to all positive or negative by setting Level to 50% and Offset to +50% or -50%, respectively.

Macro Notes:

Wave=Ramp sets the waveform of the current channel and stream to Ramp. Use prefixes like L.1.Wave=Ramp to specify channel and stream, here Left Stream 1. Note that this command format sets Wave but does not open the Ramp dialog. This is the usual approach for modifying Generator setups.

To set Wave to Ramp and also open the Ramp dialog (if the Wave dialog is already open), use a D. prefix as in D.L.1.Wave=Ramp.


See also Wave Dialog.


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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