Detect - definition. What is Detect
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%ما هو (من)٪ 1 - تعريف

DEVICE THAT MEASURES A PHYSICAL QUANTITY AND CONVERTS IT INTO A SIGNAL
Sensors; Detectors; Sensor resolution; Chemical sensors; Distance sensor; Detector; Reversing sensor; Car sensor; Voltage sensor; Microsensor; Sensor (technology); Optical sensor; Chemical sensor; Detect; Sensing element; Distance resolution; Range discrimination; Range resolution; MOS sensors; Measurement resolution; Monitoring sensor; MOS sensor
  • An [[infrared sensor]]
  • Different types of [[light sensor]]s

detect         
(detects, detecting, detected)
1.
To detect something means to find it or discover that it is present somewhere by using equipment or making an investigation.
...a sensitive piece of equipment used to detect radiation...
...a device which can detect who is more at risk of a heart attack.
VERB: V n, V wh
2.
If you detect something, you notice it or sense it, even though it is not very obvious.
Arnold could detect a certain sadness in the old man's face.
= sense
VERB: V n
Detect         
·adj Detected.
II. Detect ·vt To inform against; to Accuse.
III. Detect ·vt To Uncover; to Discover; to find out; to bring to light; as, to detect a crime or a criminal; to detect a mistake in an Account.
detect         
v. a.
Discover, expose, descry, ascertain, find, find out, bring to light, lay open.

ويكيبيديا

Sensor

A sensor is a device that produces an output signal for the purpose of sensing a physical phenomenon.

In the broadest definition, a sensor is a device, module, machine, or subsystem that detects events or changes in its environment and sends the information to other electronics, frequently a computer processor. Sensors are always used with other electronics.

Sensors are used in everyday objects such as touch-sensitive elevator buttons (tactile sensor) and lamps which dim or brighten by touching the base, and in innumerable applications of which most people are never aware. With advances in micromachinery and easy-to-use microcontroller platforms, the uses of sensors have expanded beyond the traditional fields of temperature, pressure and flow measurement, for example into MARG sensors.

Analog sensors such as potentiometers and force-sensing resistors are still widely used. Their applications include manufacturing and machinery, airplanes and aerospace, cars, medicine, robotics and many other aspects of our day-to-day life. There is a wide range of other sensors that measure chemical and physical properties of materials, including optical sensors for refractive index measurement, vibrational sensors for fluid viscosity measurement, and electro-chemical sensors for monitoring pH of fluids.

A sensor's sensitivity indicates how much its output changes when the input quantity it measures changes. For instance, if the mercury in a thermometer moves 1  cm when the temperature changes by 1 °C, its sensitivity is 1 cm/°C (it is basically the slope dy/dx assuming a linear characteristic). Some sensors can also affect what they measure; for instance, a room temperature thermometer inserted into a hot cup of liquid cools the liquid while the liquid heats the thermometer. Sensors are usually designed to have a small effect on what is measured; making the sensor smaller often improves this and may introduce other advantages.

Technological progress allows more and more sensors to be manufactured on a microscopic scale as microsensors using MEMS technology. In most cases, a microsensor reaches a significantly faster measurement time and higher sensitivity compared with macroscopic approaches. Due to the increasing demand for rapid, affordable and reliable information in today's world, disposable sensors—low-cost and easy‐to‐use devices for short‐term monitoring or single‐shot measurements—have recently gained growing importance. Using this class of sensors, critical analytical information can be obtained by anyone, anywhere and at any time, without the need for recalibration and worrying about contamination.

أمثلة من مجموعة نصية لـ٪ 1
1. "We may not detect one Iranian missile, but we will detect 10 or 100 antimissiles coming from Poland and the Czech Republic.
2. It will build Vietnam‘s capacity to detect, diagnose, monitor and control outbreaks of diseases and strengthen surveillance to detect any recurrent outbreaks in animals, Billson said.
3. Integral, the Rossi Explorer and Swift all detect X–rays and gamma rays, which are far more energetic than the visible light that our eyes detect.
4. Article continues Detect a note of sarcasm, even anger?
5. We detect a change in mood in South African approach.