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

8-Channel
Signal Generator

(Absolutely FREE!)

Spectrogram

Pitch Tracker

Pitch-to-MIDI

DaqMusiq Generator
(Free Music... Forever!)

Engine Simulator

LCR Meter

Remote Operation

DC Measurements

True RMS Voltmeter

Sound Level Meter

Frequency Counter
    Period
    Event
    Spectral Event

    Temperature
    Pressure
    MHz Frequencies

Data Logger

Waveform Averager

Histogram

Post-Stimulus Time
Histogram (PSTH)

THD Meter

IMD Meter

Precision Phase Meter

Pulse Meter

Macro System

Multi-Trace Arrays

Trigger Controls

Auto-Calibration

Spectral Peak Track

Spectrum Limit Testing

Direct-to-Disk Recording

Accessibility

Applications:

Frequency response

Distortion measurement

Speech and music

Microphone calibration

Loudspeaker test

Auditory phenomena

Musical instrument tuning

Animal sound

Evoked potentials

Rotating machinery

Automotive

Product test

Contact us about
your application!

Linear Spectrum Average

Controls: Spect Avg Dialog >> Linear
Macro: SpavgMode=Lin

Linear spectrum averaging is analogous to linear waveform averaging, in that the averager accumulates frames linearly until the requested total is reached, then it stops and Pause mode is entered. Signal output is unaffected if the Generator is active.

A running Linear average will show the total number of frames accumulated in the Total Frames Counter beneath the toolbar 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.

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:

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


See also Averager, Spectrum Averager Controls, Exponential Spectrum Average, Spectrum Averager Theory

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