unwanted signal

См. также в других словарях:

• Signal-to-noise ratio — For signal to noise ratio in statistics, see Cohen s d. Signal to noise ratio (often abbreviated SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise. It is defined… …   Wikipedia

• Signal-to-crosstalk ratio — The signal to crosstalk ratio at a specified point in a circuit is the ratio of the power of the wanted signal to the power of the unwanted signal from another channel. Note 1: The signals are adjusted in each channel so that they are of equal… …   Wikipedia

• Signal-To-Noise Ratio — VP The ratio of a desired signal to an unwanted signal (static or noise) …   Audio and video glossary

• Signal (computing) — A signal is a limited form of inter process communication used in Unix, Unix like, and other POSIX compliant operating systems. Essentially it is an asynchronous notification sent to a process in order to notify it of an event that occurred. When …   Wikipedia

• Signal noise — In science, and especially in physics and telecommunication, noise is fluctuations in and the addition of external factors to the stream of target information ( signal ) being received at a detector. In communications, it may be deliberate as for …   Wikipedia

• signal-to-noise ratio —    Abbreviated SNR. The ratio between the desired signal and the unwanted noise at a specific point in a cable; a measure of signal quality. SNR is particularly important in networks using unshielded twisted pair cable (UTP).    SNR… …   Dictionary of networking

• signal-to-noise ratio — noun the ratio of the strength of an electrical or other signal carrying information to that of unwanted interference, generally expressed in decibels …   English new terms dictionary

• Signal to Noise Ratio — F/A/V This is the ratio of the desired signal to the unwanted noise in an audio or video record/playback system …   Audio and video glossary

• Analog signal — An analog or analogue signal is any continuous signal for which the time varying feature (variable) of the signal is a representation of some other time varying quantity, i.e analogous to another time varying signal. It differs from a digital… …   Wikipedia

• Clipping (signal processing) — An oscilloscope screen of an amplifier clipping. The amplifier should be outputting a clean sine wave with rounded tops and bottoms, but instead they are cut off flat, or clipped . Clipping is a form of distortion that limits a signal once it… …   Wikipedia

• Radar signal characteristics — A Radar System uses a Radio Frequency electromagnetic signal reflected from a target to determine information about that target. In any radar system, the signal transmitted and received will exhibit many of the characteristics described below.The …   Wikipedia