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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 Signal Generator
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Applications:Frequency responseDistortion measurementSpeech and musicMicrophone calibrationLoudspeaker testMusical instrument tuningAnimal soundEvoked potentialsRotating machineryVehicle pass-by noiseProduct testContact us about
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Sweep Start FrequencyMacro: ToneFreq This is actually just a copy of the main wave Freq control. In addition to all its usual features, and use of the Frequency Entry Mode control below it, note that the direction of the sweep (up or down) is controlled by the Start-to-End order: If Start is lower than End, the sweep moves upward. Reverse the order to reverse the direction. See Ratios and Octaves if you want to set Start and End such that they define an octave or fractional octave about a specified center frequency. Macro Notes: Since this control is a duplicate of the main Tone Frequency control, it uses the same ToneFreq command discussed in that topic. See also Frequency Sweep, Waveform Stream Controls |
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