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Post-Processing Library<br />

CT<br />

CT<br />

Eldo built-in DSP function<br />

Calculates the Chirp Transformed (CT) wave.<br />

Tip<br />

For more explanation refer to the Chirp transform sections in the EZwave User’s and<br />

Reference Manual.<br />

Usage<br />

set wv_out [ct $wv_in $tstart $tstop $fs $nbpts $padding $sample $fmin<br />

$fmax $normalized $nzoom]<br />

Arguments<br />

• wv_in<br />

The input waveform the function is acting upon.<br />

• tstart<br />

Start time for the signal.<br />

• tstop<br />

Stop time for the signal.<br />

• fs<br />

Sampling frequency.<br />

• nbpts<br />

Number of sampling points.<br />

• padding<br />

Selects the padding zeros type:<br />

0 No Padding<br />

1 Padding at the end<br />

2 Padding at the start<br />

3 Center wave<br />

• sample<br />

Selects the sampling type:<br />

0 No sampling<br />

1 Interpolation<br />

2 Sample and Hold<br />

1220<br />

Eldo® User's Manual, 15.3

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