Detection

Detection

The act or process of extracting information, esp at audio or video frequencies, from an electromagnetic wave.

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Part of Speech: noun
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Industry/Domain: Telecommunications
Category: General telecom
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Related terms

detection

Engineering; Electronic engineering

1. See demodulation. 2. The sensing of a change in the operating parameters of a circuit or system.

detection

Telecommunications; General telecom

The recovery of information from an electrical or electromagnetic signal. Note: Conventional radio waves are usually detected by heterodyning, i.e., coherent reception/detection. ...

detectivity

Telecommunications; General telecom

The reciprocal of noise equivalent power.

detection

Fire safety; Prevention & protection

(1) Sensing the existence of a fire, especially by a detector from one or more products of the fire, such as smoke, heat, infrared radiation, and the like. (2) The act or process ...

detectability

Earth science; Remote sensing

Measure of the smallest object that can be discerned on an image.

detection

Weather; Meteorology

1. The identification, at a stated level of probability, of the presence of a signal or phenomenon with certain characteristics. Less formally, a signal may be said to be ...

telecommunications

Telecommunications; General telecom

The science and business of sending messages as electric impulses, pulses of light, or electromagnetic waves.

television

Telecommunications; General telecom

A system that sends and receives pictures of objects and actions and the sounds that go with them.

content label

Telecommunications; General telecom

A rating provided by a rating service that defines or categorizes the contents of a Web site.

direct ray

Telecommunications; General telecom

A ray of electromagnetic radiation that follows the path of least possible propagation time between transmitting and receiving antennas. Note: The path of least propagation time ...

refracted ray

Telecommunications; General telecom

A ray that undergoes a change of velocity, or in the general case, both velocity and direction, as a result of interaction with the material medium in which it travels. 2. In an ...

random access memory (RAM)

Telecommunications; General telecom

A read/write, nonsequential-access memory used for the storage of instructions and data. Note 1: RAM access time is essentially the same for all storage locations. Note 2: RAM is ...