quadrature channel

См. также в других словарях:

• Quadrature amplitude modulation — (QAM) (Pronounced IPA|kwa:m) is a modulation scheme which conveys data by changing ( modulating ) the amplitude of two carrier waves. These two waves, usually sinusoids, are out of phase with each other by 90° and are thus called quadrature… …   Wikipedia

• Quadrature mirror filter — In digital signal processing, a quadrature mirror filter is a filter most commonly used to implement a filter bank that splits an input signal into two bands. The resulting high pass and low pass signals are often decimated by a factor of 2,… …   Wikipedia

• In-band on-channel — (IBOC) is a method of transmitting digital radio and analog radio broadcast signals simultaneously on the same frequency.By utilizing additional digital subcarriers or sidebands, digital information is piggybacked on a normal AM or FM analog… …   Wikipedia

• Single Channel Simulcast — Single/Multi Channel Simulcast is the simultaneous transmission of an amplitude modulated and Digital Radio Mondiale (DRM) in the same (SingleChannel Simulcast SCS) or a neighbouring channel (MultiChannel Simulcast MCS). To produce this SCS… …   Wikipedia

• Phase-shift keying — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

• Modulation — For musical change of key, see Modulation (music). For other uses, see Modulation (disambiguation). Passband modulation v · d · e …   Wikipedia

• Orthogonal frequency-division multiplexing — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

• NTSC — This article is about the television system. For the Indonesian government agency, see National Transportation Safety Committee. Television encoding systems by nation; countries using the NTSC system are shown in green. NTSC, named for the… …   Wikipedia

• FM broadcasting — See also: frequency modulation and FM broadcast band FM broadcasting is a broadcasting technology pioneered by Edwin Howard Armstrong which uses frequency modulation (FM) to provide high fidelity sound over broadcast radio. The term FM band… …   Wikipedia

• JESD204 — JEDEC JESD204A (2008) is a new industry standard for the interconnection of digital to analog converter (DAC or D to A) or analog to digital converter (abbreviated ADC, A/D or A to D) and logic devices which supports the concept of multiple… …   Wikipedia

• telecommunication — [tel΄ə kə myo͞o΄ni kā′shən] n. [also pl., with sing. or pl. v.] communication by electronic or electric means, as through radio, telephone, telegraph, television, or computers * * * tel·e·com·mu·ni·ca·tion (tĕlʹĭ kə myo͞o nĭ kāʹshən) n. 1. The… …   Universalium