- comparison calibration
- 比较法校准
English-Chinese electricity dictionary (电气专业词典). 2013.
English-Chinese electricity dictionary (电气专业词典). 2013.
Calibration — is the process of establishing the relationship between a measuring device and the units of measure. This is done by comparing a device or the output of an instrument to a standard having known measurement characteristics. For example the length… … Wikipedia
comparison spectrum — noun : a line spectrum of accurately known wavelengths that is matched wavelength for wavelength with another spectrum for calibration of the latter * * * comparison spectrum, Astronomy. a spectrum formed for comparison, wave length by wave… … Useful english dictionary
calibration — calibrate ► VERB 1) mark (a gauge or instrument) with a standard scale of readings. 2) compare the readings of (an instrument) with those of a standard. 3) adjust (experimental results) to take external factors into account or to allow comparison … English terms dictionary
calibration — noun the act of checking or adjusting (by comparison with a standard) the accuracy of a measuring instrument (Freq. 7) the thermometer needed calibration • Syn: ↑standardization, ↑standardisation • Derivationally related forms: ↑standardise ( … Useful english dictionary
Measurement microphone calibration — In order to take a scientific measurement with a microphone, its precise sensitivity must be known (in volts per Pascal). Since this may change over the lifetime of the device, it is necessary to regularly calibrate measurement microphones. This… … Wikipedia
National Accreditation Board for Testing and Calibration Laboratories — (NABL), is an autonomous body under the aegis of Department of Science Technology, Government of India, and is registered under the Societies Act. Contents 1 About NABL 2 Objectives 3 Laboratory Accreditation … Wikipedia
Phase-Comparison Monopulse — Phase interferometry describes a technique that can be used in radar and direction finding applications to accurately estimate the direction of arrival of a signal from the phase difference of the signal measured on two (or more) separated… … Wikipedia
Microphone — For the indie film, see Microphone (film). Microphones redirects here. For the indie band, see The Microphones. A … Wikipedia
Metrology — This article is about the science of measurement. For the study of weather see Meteorology. A scientist stands in front of a microarcsecond (1 millionth of 1 arcsecond or 1 millionth of 1/3600 degree) testbed. Metrology is the science of… … Wikipedia
Cardiac output — (Q or or CO ) is the volume of blood being pumped by the heart, in particular by a left or right ventricle in the time interval of one minute. CO may be measured in many ways, for example dm3/min (1 dm3 equals 1000 cm3 or 1 litre). Q is… … Wikipedia
Monopulse radar — is an adaptation of conical scanning radar which sends additional information in the radar signal in order to avoid problems caused by rapid changes in signal strength. The system also makes jamming more difficult. Most radars designed since the… … Wikipedia