speed measurement
41Portable emissions measurement system — a portable emissions measurement system (PEMS) is essentially a lightweight ‘laboratory’ that is used to test and/or assess mobile source emissions (i.e. cars, trucks, buses, construction equipment, generators, trains, cranes, etc.) for the… …
42Inertial measurement unit — An inertial measurement unit, or IMU, is the main component of inertial guidance systems used in air , space , and watercraft, including guided missiles. An IMU works by sensing motion including the type, rate, and direction of that motion using… …
43Network Rail New Measurement Train — The Network Rail New Measurement Train (NMT) assesses the condition of track so that engineers can determine where to work. It is converted from High Speed Train Class 43 power cars and Mark 3 coaches. It can check the condition of all main lines …
44clock speed — n [C, usually singular] technical a measurement of how quickly a computer s ↑CPU (=main controlling part) can deal with instructions ▪ a clock speed of 1 gigahertz …
45Computer Automated Measurement and Control — A CAMAC module made by LeCroy. Computer Automated Measurement And Control (CAMAC) is a standard bus for Data acquisition and control used in nuclear and particle physics experiments and in industry. The bus allows data exchange between plug in… …
46High Speed Photometer — The High Speed Photometer (HSP) was a scientific instrument installed on the Hubble Space Telescope. The HSP was designed to measure the brightness and polarity of rapidly varying celestial objects. It could observe in ultraviolet, visible light …
47High Speed Freight Vehicle — The High Speed Freight Vehicle was a prototype rail vehicle developed by the British Rail Research Division, capable of speeds of up to convert|140|mph|km/h|abbr=on. A number of vehicles were produced, including HSFV1 and HSFV4, [… …
48performance measurement — The process of (a) developing indicators to assess progress towards certain predefined goals and (b) reviewing performance against these measures. Performance measures can be applied to the whole organization or to particular departments,… …
49Mach — or mach (M or Ma) a measure of relative velocity, used to express the speed of an aircraft relative to the speed of sound. The name of the unit is often placed before the measurement. Thus Mach 1.0 is the speed of sound, Mach 2.0 is twice… …
50meter — or metre (m) the metric and SI base unit of distance. Originally, the meter was designed to be one ten millionth of a quadrant, the distance between the Equator and the North Pole. (The Earth is difficult to measure, and a small error was… …
