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・ Time-of-flight ultrasonic determination of 3D elastic constants
・ Time-out (parenting)
・ Time-out (sport)
・ Time-Place learning
・ Time-resolved fluorescence energy transfer
・ Time-resolved mass spectrometry
・ Time-resolved photon emission
・ Time-resolved spectroscopy
・ Time-saving bias
・ Time-scale calculus
・ Time-Sensitive Networking
・ Time-series segmentation
・ Time-sharing
・ Time-sharing system evolution
・ Time-slot interchange
Time-to-digital converter
・ Time-tracking software
・ Time-trade-off
・ Time-triggered architecture
・ Time-Triggered Protocol
・ Time-use research
・ Time-use survey
・ Time-utility function
・ Time-variant system
・ Time-varied gain
・ Time-varying covariate
・ Time-varying mesh
・ Time-Varying Microscale
・ Time-varying network
・ Time-weighted average price


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Time-to-digital converter : ウィキペディア英語版
Time-to-digital converter

In electronic instrumentation and signal processing, a time to digital converter (abbreviated TDC) is a device for recognizing events and providing a digital representation of the time they occurred. For example, a TDC might output the time of arrival for each incoming pulse. Some applications wish to measure the time interval between two events rather than some notion of an absolute time.
In electronics time-to-digital converters (TDCs) or time digitizers are devices commonly used to measure a time interval and convert it into digital (binary) output. In some cases interpolating TDCs are also called time counters (TCs).
TDCs are used in many different applications, where the time interval between two signal pulses (start and stop pulse) should be determined. Measurement is started and stopped, when either the rising or the falling edge of a signal pulse crosses a set threshold. These requirements are fulfilled in many physical experiments, like time-of-flight and lifetime measurements in atomic and high energy physics, experiments that involve laser ranging and electronic research involving the testing of integrated circuits and high-speed data transfer.〔
==Application==
TDCs are used in applications where measurement events happen infrequently, such as high energy physics experiments, where the sheer number of data channels in most detectors ensures that each channel will be excited only infrequently by particles such as electrons, photons, and ions.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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