modulation+bandwidth

См. также в других словарях:

• Bandwidth (signal processing) — Bandwidth is the difference between the upper and lower cutoff frequencies of, for example, a filter, a communication channel, or a signal spectrum, and is typically measured in hertz. In case of a baseband channel or signal, the bandwidth is… …   Wikipedia

• Bandwidth extension — of signal is defined as the deliberate process of expanding the frequency range (bandwidth) of a signal in which it contains an appreciable and useful content, and/or the frequency range in which its effects are such. Its significant advancement… …   Wikipedia

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

• bandwidth — /band width , with /, n. 1. Telecommunications. the smallest range of frequencies constituting a band, within which a particular signal can be transmitted without distortion. 2. the transmission capacity of an electronic communications device.… …   Universalium

• modulation acceptance bandwidth of a receiver — leidžiamasis radijo imtuvo moduliavimo dažnių juostos plotis statusas T sritis radioelektronika atitikmenys: angl. modulation acceptance bandwidth of a receiver vok. zulässige Modulationsbandbreite für Funkempfänger, f rus. допустимая ширина… …   Radioelektronikos terminų žodynas

• Bandwidth — Dieser Artikel erläutert die Bandbreite als technischen Begriff; für ein gleichnamiges Wechselkurssystem siehe Wechselkursbandbreite. Für die Bandbreite als Begriff in der Numerischen Mathematik siehe Bandmatrix. Bandbreite B bezeichnet die… …   Deutsch Wikipedia

• bandwidth — i. The range of frequencies, above and/or below the frequency of a carrier wave, required for modulation of a signal. It is the width of the transmitted frequency spectrum (the difference between the highest and the lowest frequency) of a… …   Aviation dictionary

• Frequency modulation — See also: Amplitude modulation In telecommunications, frequency modulation (FM) conveys information over a carrier wave by varying its frequency (contrast this with amplitude modulation, in which the amplitude of the carrier is varied while its… …   Wikipedia

• Single-sideband modulation — (SSB) is a refinement of amplitude modulation that more efficiently uses electrical power and bandwidth. It is closely related to vestigial sideband modulation (VSB) (see below).Amplitude modulation produces a modulated output signal that has… …   Wikipedia

• Amplitude modulation — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

• Delta-sigma modulation — Delta sigma (ΔΣ; or sigma delta, ΣΔ) modulation is a method for encoding high resolution or analog signals into lower resolution digital signals. The conversion is done using error feedback, where the difference between the two signals is… …   Wikipedia