Daqarta
Data AcQuisition And Real-Time Analysis
Scope - Spectrum - Spectrogram - Signal Generator
Software for Windows Science with your Sound Card! |
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The following is from the Daqarta Help system:
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Features:OscilloscopeSpectrum Analyzer 8-Channel
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Applications:Frequency responseDistortion measurementSpeech and musicMicrophone calibrationLoudspeaker testAuditory phenomenaMusical instrument tuningAnimal soundEvoked potentialsRotating machineryAutomotiveProduct testContact us about
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PM Modulator FrequencyMacro: PMmodFreq This sets the modulator frequency when Source is set to Sine. The main Frequency Entry Mode affects this control as well. The resolution of this and all Generator frequency displays may be set between 0 and 9 decimal places via the Frequency Places option in the Frequency Step Mode dialog, invoked by clicking the button below the Main Freq control higher up in this PM dialog. (The button shows the current Step Mode, which defaults to Step Direct.) Macro Notes: L.1.PMmodFreq=100 sets the Left Stream 1 PM/Slope/PWM Modulation Frequency to 100 Hz. PMmodFreq=>1 will increment or PMmodFreq=>-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 almost all Generator frequency controls. See also Phase / Slope / Width Modulation, PM / Slope / PWM Dialog, Waveform Stream Controls. |
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