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



Spectrum Analyzer

Signal Generator

(Absolutely FREE!)


Pitch Tracker


DaqMusiq Generator
(Free Music... Forever!)

Engine Simulator

LCR Meter

Remote Operation

DC Measurements

True RMS Voltmeter

Sound Level Meter

Frequency Counter
    Spectral Event

    MHz Frequencies

Data Logger

Waveform Averager


Post-Stimulus Time
Histogram (PSTH)

THD Meter

IMD Meter

Precision Phase Meter

Pulse Meter

Macro System

Multi-Trace Arrays

Trigger Controls


Spectral Peak Track

Spectrum Limit Testing

Direct-to-Disk Recording



Frequency response

Distortion measurement

Speech and music

Microphone calibration

Loudspeaker test

Auditory phenomena

Musical instrument tuning

Animal sound

Evoked potentials

Rotating machinery


Product test

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Linear Waveform Average

Controls: Wave Avg Dialog >> Linear
Macro: WavgMode=Lin

Linear waveform averaging is straightforward synchronous waveform averaging, also called coherent averaging. The averager accumulates frames linearly until the requested total is reached, then it stops and Pause mode is entered. Signal output is unaffected; if a DDisk recording is in progress it is also unaffected.

A running Linear average will show the total number of frames accumulated in the Total Frames Counter (beneath the Averager button). The total will stop incrementing when the average is done or when it is paused. It will be cleared when the average is abandoned, either by toggling the Averager off if it has not yet finished, or by toggling the Pause state off if it is done.

When a Linear average is done and still in the automatic Pause state, you can hit Avg Add or Avg Sub to extend it by the requested frames.

Linear averaging is normally used to collect data where you need to specify a discrete number of frames for comparison with other data.

Macro Notes:

WavgMode=Lin or WavgMode=0 sets Linear mode. See Macro Notes under Waveform Averager Mode for the complete list of mode numbers and names.

See also Averager, Waveform Averager Mode, Waveform Averager Controls, and Exponential Waveform Average.


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