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Eldo Control Language<br />

Library of Functions for Tasks<br />

db<br />

Task function category: Mathematical Functions, Mathematical Functions Operating on<br />

Complex Numbers, Functions Operating on Waveforms<br />

Returns value in decibels.<br />

Usage<br />

Mathematical Function<br />

db(VAL)<br />

unsafe_db(VAL)<br />

Complex Number Function<br />

db(c)<br />

unsafe_db(c)<br />

Waveform Function<br />

db(wf)<br />

db(wf, x_start, x_end)<br />

Arguments<br />

Mathematical Function<br />

• VAL<br />

Value.<br />

Complex Number Function<br />

• c<br />

Input complex number.<br />

Waveform Function<br />

• wf<br />

Waveform identifier.<br />

• x_start<br />

Waveform start point.<br />

• x_end<br />

Waveform end point.<br />

Return Values<br />

Mathematical Function<br />

Decibel of VAL (20×log10(VAL)). db will exit properly if VAL is negative or null.<br />

Converts the magnitude of the complex number c to decibels. db will exit properly if c is (0, 0).<br />

Eldo® User's Manual, 15.3 889

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