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
Bandwidth (computing) — For other uses, see Bandwidth. In computer networking and computer science, bandwidth,[1] network bandwidth,[2] data bandwidth,[3] or digital bandwidth[4][5] is a measure of available or consumed data communication resources expressed in… … Wikipedia
bandwidth on demand — A technique that allows the user to add additional bandwidth as the application requires it. Most network traffic does not flow in steady and easily predictable streams, but in short bursts, separated by longer periods of inactivity. This… … Dictionary of networking
Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… … Wikipedia
PXL-2000 — The Fisher Price PXL2000 (also known as the PixelVision by Fisher Price, and the KiddieCorder by some of its fans) was a toy black and white camcorder produced in 1987 that used an ordinary compact audio cassette as its recording medium. The… … Wikipedia
Microwave transmission — The atmospheric attenuation of microwaves in dry air with a precipitable water vapor level of 0.001 mm. The downward spikes in the graph correspond to frequencies at which microwaves are absorbed more strongly, such as by oxygen molecules… … Wikipedia
ANSI T1.413 Issue 2 — ANSI T1.413 defines the requirements for the single Asymmetric Digital Subscriber Line (ADSL) for the interface between the telecommunications network and the customer installation in terms of their interaction and electrical characteristics.… … Wikipedia
эффективно передаваемая полоса частот — — [Л.Г.Суменко. Англо русский словарь по информационным технологиям. М.: ГП ЦНИИС, 2003.] Тематики информационные технологии в целом EN transmitted frequency banduseful bandwidth … Справочник технического переводчика
Spectrum analyzer — A spectrum analyzer Spectrum analyzer display A spectrum analyzer measures the magnitude of an input signal versus frequency with … Wikipedia
Oscilloscope — This article is about current oscilloscopes, providing general information. For history of oscilloscopes, see Oscilloscope history. For detailed information about various types of oscilloscopes, see Oscilloscope types. Illustration showing the… … Wikipedia