Frequency domain sensor — Frequency domain (FD) sensor is an instrument developed for measuring soil moisture content. The instrument has an oscillating circuit, the sensing part of the sensor is embedded in the soil, and the operating frequency will depend on the value… … Wikipedia
Sensor — For other uses, see Sensor (disambiguation). Sensors redirects here. For other uses, see Sensors (disambiguation). Detector redirects here. For other uses, see Detector (disambiguation). Thermocouple sensor for high temperature measurement A… … Wikipedia
Sensor node — The typical architecture of the sensor node. A sensor node, also known as a mote (chiefly in North America), is a node in a wireless sensor network that is capable of performing some processing, gathering sensory information and communicating… … Wikipedia
Frequency-shift keying — Passband modulation v · d · e Analog modulation AM · … Wikipedia
frequency valve — [1] A valve located in the fuel distributor of some vehicles with a continuous injection system and catalytic converter. This valve continually adjusts the air/fuel ratio to varying engine operating conditions, because it is controlled by a… … Dictionary of automotive terms
Mass flow sensor — A mass airflow sensor. A mass air flow sensor is used to find out the mass flowrate of air entering a fuel injected internal combustion engine. The air mass information is necessary for the engine control unit (ECU) to balance and deliver the… … Wikipedia
Level sensor — Level sensors are used to detect liquid level. The liquid to be measured can be inside a container or can be in its natural form (e.g. a river or a lake). The level measurement can be either continuous or point values. Continuous level sensors… … Wikipedia
Wheel speed sensor — [ head unit.] Wheel speed sensors or vehicle speed sensors (VSS) are sender devices used for reading the speed of the vehicle s wheel rotation. It usually consists of a toothed ring and pickup. Special purpose speed sensors Rotary speed sensors… … Wikipedia
Radio-frequency identification — (RFID) is a technology that uses radio waves to transfer data from an electronic tag, called RFID tag or label, attached to an object, through a reader for the purpose of identifying and tracking the object. Some RFID tags can be read from… … Wikipedia
Piezoelectric sensor — A piezoelectric sensor is a device that uses the piezoelectric effect to measure pressure, acceleration, strain or force by converting them to an electrical signal.ApplicationsPiezoelectric sensors have proven to be versatile tools for the… … Wikipedia