Qwika Toolbar for IE and Firefox users!

Home > English

Searching 21,964,380 articles in 1,158 wikis.
Beta release. Any comments please contact us
Press release (Feb 17): New search engine helps bridge the language gap in Wikipedia
Press release (Apr 4): Qwika search engine now indexes 1158 wikis in 12 languages

Search wikis:

Subcarrier
Subcarrier A subcarrier is separate analog or digital signal carried ... a method of multiplexing. Stereo is a subcarrier of an FM radio station, which takes ... to trigger radios to decode the stereo subcarrier, making FM stereo fully compatible with mono ... tuned to hear audio on a particular subcarrier frequency (usually 67kHz or 92kHz), from ...
http://en.wikipedia.org/wiki/Subcarrier - 9k - Cached - Similar pages

Subcarrier   (translated from French)
Subcarrier Definition If it signal intended to be ... that the latter are modulated on a subcarrier. The use of subcarriers allows the multiplexing ... difference GD) is transmitted separately on a subcarrier to 36 Khz. A pilot signal with ... and to allow the decoding of the subcarrier without risk of dephasing of the sound ... numerical, this one is modulated on a subcarrier before being inserted in the video ...
http://fr.wikipedia.org/wiki/Sous-porteuse - 3k - Cached (French) - Wikipedia (French) - Similar pages

Talk:Subcarrier
Talk:Subcarrier Very clever, this demonstrates that hackers have ... the stereo signal is AM, and the subcarrier is FM. AM is much more susceptible ... Feb 2005 (UTC) this statement from the Subcarrier page is not correct to my knowledge ... fm stereo gets noisy because the stereo subcarrier signal is injected into the fm stations ... is low....in mono mode the stereo subcarrier signal is ignored(or plays no ...
http://en.wikipedia.org/wiki/Talk:Subcarrier - 3k - Cached - Similar pages

FM broadcasting
... tone, at exactly half the 38 kHz subcarrier frequency and with a precisely defined phase ... the receiver to regenerate the 38 kHz subcarrier with the correct phase. It is also in phase with the RDS subcarrier at 57kHz (193). A 4kHz-wide guard ... M), the pilot tone, and the DSBSC subcarrier (S). This multiplex, along with any other ... the receiver after matrixing. Other services The subcarrier system has been further extended to ...
http://en.wikipedia.org/wiki/FM_broadcasting - 10k - Cached - Similar pages

NTSC
... and white image by adding a colour subcarrier of 3.58 MHz to the video ... technical considerations, the addition of the colour subcarrier also required a slight reduction of the ... Q signals with the 3.579545 MHz subcarrier corresponds to the instantaneous color hue captured ... the unmodulated (fixed phase and amplitude) color subcarrier. By comparing the reference signal derived from ... a vestigial sideband, is transmitted. The color subcarrier, as noted above, is 3.579545 ...
http://en.wikipedia.org/wiki/NTSC - 37k - Cached - Similar pages

Subsidiary Communications Authority
... is the FCC's official designation for subcarrier channels transmitted by a broadcast FM radio station along with its main carrier. Subcarrier channels falling under the description of SCA ... 67 kHz is the most used). SCA subcarrier broadcasting is usually utilized in the following ... service, pager data is sent via FM subcarrier to the subscriber with a special pager ... its programming via satellite. In Canada, SCA subcarrier transmission is referred to by the ...
http://en.wikipedia.org/wiki/Subsidiary_Communications_Authority - 5k - Cached - Similar pages

Crosby system
... Murray G. Crosby , that used an FM subcarrier for higher fidelity. It competed with the ... Zenith/GE system that used an AM subcarrier. Many audiophiles were disappointed when the Zenith ... signal L-R as a 50 kHz subcarrier. The Crosby system's main advantage over ... system was its use of an FM subcarrier. FM is less susceptible to interference than ... subsidiary communications authorizations (SCAs) which used various subcarrier frequencies including 41 and 67 kHz. ...
http://en.wikipedia.org/wiki/Crosby_system - 4k - Cached - Similar pages

PAL
... are very similar; a quadrature amplitude modulated subcarrier (typically at approximately 4.43 MHz for ... a frequency modulation scheme on its colour subcarrier. The name "Phase Alternating Line" describes the ... M, using (very nearly) the NTSC colour subcarrier frequency. Almost all other countries using system ... again with (very nearly) the NTSC colour subcarrier frequency; these variants are called PAL-N ... system, with the normal 4.43 MHz subcarrier unlike PAL-M) can also be ...
http://en.wikipedia.org/wiki/PAL - 17k - Cached - Similar pages

Vectorscope
... encoded into the video signal as a subcarrier of specific frequency. The vectorscope locks exclusively to the chrominance subcarrier in the video signal (at 3.58 ... the amplitude, or gain, of the color subcarrier signal, and hue, encoded as the subcarrier's phase. The vectorscope's graticule represents ...
http://en.wikipedia.org/wiki/Vectorscope - 6k - Cached - Similar pages

Autofahrer-Rundfunk-Informationssystem
... The SK signal is actually the 57kHz subcarrier that is transmitted by the ARI-compliant ... this functionality. This frequency, like the RDS subcarrier frequency is chosen because it is the ... would be modulated on the 57kHz ARI subcarrier tone while this was happening. A radio ... six tones that was in this same subcarrier and was reserved for high-end car ...
http://en.wikipedia.org/wiki/Autofahrer-Rundfunk-Informationssystem - 7k - Cached - Similar pages

 Page:1 2 3 4 5 6 7 8 9 10 Next >>

Search wikis:


Search: uk de fr ja it nl pt es gr ko zh ru

Try your search on: FactBites (sentence-based)