Code Division Multiple Access
A spread spectrum approach for the digital transmission of data/voice over radio frequencies. Sound bits are digitized and the data is split into data packets that are encoded with unique identification tags. All of the data/voice is sent over a spread range of radio frequencies. The cell phone or data device receives all of the data packets but only re-assembles those packets with the correct code and transforms the broken-up bits of data into useful sound and data. This allows more traffic for a finite number of available frequencies than analog or the other digital standards.
A spread spectrum approach for the digital transmission of data/voice over radio frequencies. Sound bits are digitized and the data is split into data packets that are encoded with unique identification tags. All of the data/voice is sent over a spread range of radio frequencies. The cell phone or data device receives all of the data packets but only re-assembles those packets with the correct code and transforms the broken-up bits of data into useful sound and data. This allows more traffic for a finite number of available frequencies than analog or the other digital standards.
by IrishrepublicanArmy January 24, 2004
California Highway Patrol
the largest highway patrol organization in the world. with a VHF radio network that kicks LAPDs ass.
the largest highway patrol organization in the world. with a VHF radio network that kicks LAPDs ass.
by IrishRepublicanArmy October 28, 2003
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by iRiShREPUblicANarmY January 24, 2004
by IrishRepublicanArmy February 14, 2004
characterized by attack on established beliefs or institutions
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(cuban number station)
(cuban number station)
by IrishRepublicanArmy December 31, 2003
by IrishRepublicanArmy June 05, 2004
FREQUENCY MODULATION
radio modulation techique where information (usally voice or music) is added to the signal and changed by varying the freqeuncy of the transmitter. FM is the most commonly used modulation for radio signals techneque above 30 MHz.
the term "FM" is also used to refer to the broadcast band from 88.1 to 107.9 MHz, using that same modulation mode.
radio modulation techique where information (usally voice or music) is added to the signal and changed by varying the freqeuncy of the transmitter. FM is the most commonly used modulation for radio signals techneque above 30 MHz.
the term "FM" is also used to refer to the broadcast band from 88.1 to 107.9 MHz, using that same modulation mode.
FM signals have less static because changes in frequency do not pick up interferance that AM-modulated signals do.
by IrishRepublicanArmy October 17, 2003