white signal

white signal

[′wīt ‚sig·nəl]
(communications)
Signal at any point in a facsimile system produced by the scanning of a minimum density area of the subject copy.
References in classic literature ?
Phebe obeyed, and when she went to the boat Rose accompanied her, telling the boys she was not ready to go yet, but they could, some of them, come for her when she hung a white signal on her balcony.
The castle of Huntingdon could be seen from the top of one of the tall trees in Sherwood; and on more than one bright day Rob's white signal from this tree told Marian that he awaited her there: for you must know that Rob did not visit her at the castle.
On 5 October, the SMM observed 15 members of the armed formations (eight visibly armed) near a position of the armed formations on the south side of the Stanytsia Luhanska bridge, inside the disengagement area, shoot a white signal flare toward government-controlled areas, which they said was an indication of the armed formations readiness to disengage.
In the test, (12) pairs of specified red, green and white signal lights are displayed.
When no code is received after last code was green or yellow, a white signal is declared.
If no decision is taken for 10 seconds, a code failure (white signal) is declared.
where n stands for the white signal noise with variance [[sigma].sup.2.sub.n], and e represents the processing noise.
Secondly, as explained in the speech generation model, unvoiced sound is excited by random white signals. The speech signals for the unvoiced section can be calculated based on white noise and convolution of the vocal track.
Cells surrounded by cones that detect a different color were more likely to send white signals to the brain.
In his preface, White signals that he intended to write a long introduction relating the essays in Figural Realism to one another as well as to essays he published earlier, but that he soon gave up, leaving the texts to "stand by themselves" (vi).
Black smoke means no pope has been elected and white signals a new Pope.