chirp

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chirp

[chərp]
(communications)
An undesirable variation in the frequency of a continuous-wave carrier when it is keyed.
The sound heard in a code receiver when the transmitted carrier frequency is increased linearly for the duration of a pulse code.
References in classic literature ?
she cried out, pattering down the walk; and she chirped and tried to whistle, which last she did not know how to do in the least.
In the chimneys of the disused rooms, swallows had built their nests for many a long year, and from earliest spring to latest autumn whole colonies of sparrows chirped and twittered in the eaves.
It by no means follows that because a man is a sexton, and constantly surrounded by the emblems of mortality, therefore he should be a morose and melancholy man; your undertakers are the merriest fellows in the world; and I once had the honour of being on intimate terms with a mute, who in private life, and off duty, was as comical and jocose a little fellow as ever chirped out a devil-may-care song, without a hitch in his memory, or drained off a good stiff glass without stopping for breath.
That's a huge leap from Minogue's '80s-era heyday as a key cog in the Stock Aitken Waterman hit machine, during which she dutifully chirped ditties like "Better the Devil You Know," "Shocked," "The Loco-Motion," and "I Should Be So Lucky" (the latter two were hits in the States), among numerous other frothy anthems that rendered her a turntable staple in gay nightclubs.
At an informal meeting during the Optical Fiber Communication Conference in February of 1999 (OFC'99), a quorum of industry representatives recommended measuring several specific spectral and relative group delay (RGD) properties of a chirped FBG.
To stabilize the ITU and chirped gratings against temperature changes they were packaged in an a thermal package and placed on a thermoelectric cooler (TEC), controlled to within less than 0.
But a voice behind him chirped, ``We've moved somebody, 'cause California's up real high.
With chirped pulse amplification, saysMourou, "we can use a system that is 1,000 times smaller.
BWireless(TM) employees in Seattle chirped their counterparts in Vancouver with the "Walkie-Talkie" handset when required throughout the buildup phase thus eliminating voice mail and secretaries," says Bosnjak.
5 Gb/s Lithium Niobate chirped intensity external modulator, which features an innovative and distinctive chirp mechanism capable of extending the reach of uncompensated signal transmission to 120 kilometers (over single-mode fiber at 2000 ps/nm).
On his way out the door, he chirped to one bank employee, ``Have a nice weekend.
multiple 10 Gb/s bit streams from Ethernet switches, routers, SONET add-drop multiplexers, optical switches), Enhanced Forward Error Correction (EFEC) technology, and Mintera's (patent pending) Chirped Carrier Suppressed Return-to-Zero (CCS-RZ) modulation on the ultra long haul optical link.