frequency domain

frequency domain
частотная область
термин, употребляемый для описания анализа математических функций или физических сигналов по отношению к частоте (frequency-domain analysis). Граф частотной области показывает, какая часть сигнала лежит в каждой конкретной полосе частот всего частотного диапазона. Представление в частотной области может содержать также информацию о фазовых сдвигах для каждой составляющей синусоиды - чтобы можно было рекомбинировать частотные компоненты и восстановить сигнал в его исходном виде

Англо-русский толковый словарь терминов и сокращений по ВТ, Интернету и программированию. . 1998-2007.

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  • Frequency domain — In electronics, control systems engineering, and statistics, frequency domain is a term used to describe the domain for analysis of mathematical functions or signals with respect to frequency, rather than time.[1] Speaking non technically, a time …   Wikipedia

  • frequency domain — dažninė charakteristika statusas T sritis automatika atitikmenys: angl. frequency characteristic; frequency domain; frequency response characteristic; frequency response characteristic; harmonic response; harmonic response characteristic;… …   Automatikos terminų žodynas

  • frequency domain — dažninė sritis statusas T sritis automatika atitikmenys: angl. frequency domain vok. Frequenzbereich, m rus. частотная область, f pranc. domaine harmonique, m …   Automatikos terminų žodynas

  • Frequency domain sensor — Frequency domain (FD) sensor is an instrument developed for measuring soil moisture content. The instrument has an oscillating circuit, the sensing part of the sensor is embedded in the soil, and the operating frequency will depend on the value… …   Wikipedia

  • Discrete frequency domain — A discrete frequency domain is a frequency domain that is discrete rather than continuous. For example, the discrete Fourier transform maps a function having a discrete time domain into one having a discrete frequency domain. The discrete time… …   Wikipedia

  • Multidelay block frequency domain adaptive filter — The Multidelay block frequency domain adaptive filter (MDF) algorithm is a block based frequency domain implementation of the (normalised) Least mean squares filter (LMS) algorithm. Contents 1 Introduction 2 Variable definitions 3 Algorithm… …   Wikipedia

  • Finite-difference frequency-domain — The finite difference frequency domain (FDFD) is a numerical solution for problems usually in electromagnetism. The method is, of course, based on finite difference approximations of the derivative operators in the differential equation being… …   Wikipedia

  • Domain — may refer to: General Territory (administrative division), a non sovereign geographic area which has come under the authority of another government Public domain, a body of works and knowledge without proprietary interest Eminent domain, the… …   Wikipedia

  • Frequency spectrum — Familiar concepts associated with a frequency are colors, musical notes, radio/TV channels, and even the regular rotation of the earth. A source of light can have many colors mixed together and in different amounts (intensities). A rainbow, or… …   Wikipedia

  • Frequency mixer — This article is about non linear mixing operating in the frequency domain. For other types of mixers, see electronic mixer. Frequency Mixer Symbol. In electronics a mixer or frequency mixer is a nonlinear electrical circuit that creates new… …   Wikipedia

  • Frequency-resolved optical gating — In optics, frequency resolved optical gating (FROG) is a derivative of autocorrelation, but is far superior in its ability to measure ultrafast optical pulse shapes. Further, it can determine the phase of the pulse.In the most common… …   Wikipedia

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