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An early name for a device that "detected" radio signals. A detector is actually a rectifier that only passes the (intermittent) DC component of an AC signal - thereby allowing the signal to be used as a representative voltage to pass to an amplifier. Early detectors were made from carbon powder or crystals of Galena touched by a thin wire of copper, brass or sometimes silver (the Cat's Whisker) or carbon
출처: www.vintage-technology.info/pages/frontpages/gloss...
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| detector |
Detectors serve to transform incident radiation levels into electrical signals that can be recorded.
출처: www.gaf.de/presshelp/glossary/p81.htm
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| detection |
The process of recovering the audio component (audible signal) from a modulated RF carrier wave.
출처: www.thevietnam-database.co.uk/Platoons/RTO/Rtoglos...
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| detector |
An optoelectronic transducer used in fiber optics for converting optical power to electric current. In fiber optics, usually a photodiode.
출처: www.pd-ld.com/Industry_glossary.htm
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| detector |
A device at the receiving end of a fiber optic system that converts incoming optical pulses into electrical signals, usually a photodiode.
출처: www.exsellsales.com/html/fiberfacts2.html
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