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Sensor

Index Sensor

In the broadest definition, a sensor is a device, module, or subsystem whose purpose is to detect events or changes in its environment and send the information to other electronics, frequently a computer processor. [1]

73 relations: Accuracy and precision, Actuator, Aliasing, Analog-to-digital converter, Analyte, Aptamer, Attitude and heading reference system, Bias, Biomimetics, Biosensor, Bode plot, Calibration, Central processing unit, Concentration, Cytokine, Data acquisition, Data logger, Dialysis, Drift (telecommunication), Dynamics (mechanics), Electric field, Force-sensing resistor, Full scale, Gel, Glucose, Gravity, Hormone, Humidity, Hysteresis, Image sensor, Line (geometry), Linearity, Liquid, List of sensors, Machine olfaction, Macroscopic scale, Magnetic field, Microcontroller, Microelectromechanical systems, Micromachinery, Microscopic scale, Moisture, Molality, Molecularly imprinted polymer, Nanoelectronics, Nanosensor, Neurotransmitter, Noise, Nonlinear system, Nutrient, ..., Observational error, Oscillation, Oxygen, Phase (matter), Pheromone, Potentiometer, Proprioception, Quantization (signal processing), Receptor, Sampling (signal processing), Semipermeable membrane, Sensing floor, Sensitivity (electronics), Sensor, Signal processing, Signal transduction, Sound, Stretching, Tactile sensor, Toxin, Transducer, Transfer function, Wireless sensor network. Expand index (23 more) »

Accuracy and precision

Precision is a description of random errors, a measure of statistical variability.

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Actuator

An actuator is a component of a machine that is responsible for moving and controlling a mechanism or system, for example by opening a valve.

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Aliasing

In signal processing and related disciplines, aliasing is an effect that causes different signals to become indistinguishable (or aliases of one another) when sampled.

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Analog-to-digital converter

In electronics, an analog-to-digital converter (ADC, A/D, or A-to-D) is a system that converts an analog signal, such as a sound picked up by a microphone or light entering a digital camera, into a digital signal.

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Analyte

An analyte, component (in clinical chemistry), or chemical species is a substance or chemical constituent that is of interest in an analytical procedure.

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Aptamer

Aptamers (from the Latin aptus – fit, and Greek meros – part) are oligonucleotide or peptide molecules that bind to a specific target molecule.

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Attitude and heading reference system

An attitude and heading reference system (AHRS) consists of sensors on three axes that provide attitude information for aircraft, including roll, pitch and yaw.

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Bias

Bias is disproportionate weight in favour of or against one thing, person, or group compared with another, usually in a way considered to be unfair.

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Biomimetics

Biomimetics or biomimicry is the imitation of the models, systems, and elements of nature for the purpose of solving complex human problems.

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Biosensor

A biosensor is an analytical device, used for the detection of an analyte, that combines a biological component with a physicochemical detector.

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Bode plot

In electrical engineering and control theory, a Bode plot is a graph of the frequency response of a system.

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Calibration

Calibration in measurement technology and metrology is the comparison of measurement values delivered by a device under test with those of a calibration standard of known accuracy.

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Central processing unit

A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.

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Concentration

In chemistry, concentration is the abundance of a constituent divided by the total volume of a mixture.

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Cytokine

Cytokines are a broad and loose category of small proteins (~5–20 kDa) that are important in cell signaling.

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Data acquisition

Data acquisition is the process of sampling signals that measure real world physical conditions and converting the resulting samples into digital numeric values that can be manipulated by a computer.

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Data logger

A data logger (also datalogger or data recorder) is an electronic device that records data over time or in relation to location either with a built in instrument or sensor or via external instruments and sensors.

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Dialysis

In medicine, dialysis (from Greek διάλυσις, diàlysis, "dissolution"; from διά, dià, "through", and λύσις, lỳsis, "loosening or splitting") is the process of removing excess water, solutes and toxins from the blood in those whose native kidneys have lost the ability to perform these functions in a natural way.

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Drift (telecommunication)

In telecommunication, a drift is a comparatively long-term change in an attribute, value, or operational parameter of a system or equipment.

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Dynamics (mechanics)

Dynamics is the branch of applied mathematics (specifically classical mechanics) concerned with the study of forces and torques and their effect on motion, as opposed to kinematics, which studies the motion of objects without reference to these forces.

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Electric field

An electric field is a vector field surrounding an electric charge that exerts force on other charges, attracting or repelling them.

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Force-sensing resistor

A force-sensing resistor is a material whose resistance changes when a force, pressure or mechanical stress is applied.

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Full scale

In electronics and signal processing, full scale or full code represents the maximum amplitude a system can present.

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Gel

A gel is a solid jelly-like material that can have properties ranging from soft and weak to hard and tough.

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Glucose

Glucose is a simple sugar with the molecular formula C6H12O6.

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Gravity

Gravity, or gravitation, is a natural phenomenon by which all things with mass or energy—including planets, stars, galaxies, and even light—are brought toward (or gravitate toward) one another.

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Hormone

A hormone (from the Greek participle “ὁρμῶ”, "to set in motion, urge on") is any member of a class of signaling molecules produced by glands in multicellular organisms that are transported by the circulatory system to target distant organs to regulate physiology and behaviour.

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Humidity

Humidity is the amount of water vapor present in the air.

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Hysteresis

Hysteresis is the dependence of the state of a system on its history.

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Image sensor

An image sensor or imaging sensor is a sensor that detects and conveys the information that constitutes an image.

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Line (geometry)

The notion of line or straight line was introduced by ancient mathematicians to represent straight objects (i.e., having no curvature) with negligible width and depth.

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Linearity

Linearity is the property of a mathematical relationship or function which means that it can be graphically represented as a straight line.

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Liquid

A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a (nearly) constant volume independent of pressure.

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List of sensors

This is a list of sensors sorted by sensor type.

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Machine olfaction

Machine olfaction is the automated simulation of the sense of smell.

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Macroscopic scale

The macroscopic scale is the length scale on which objects or phenomena are large enough to be visible almost practically with the naked eye, without magnifying optical instruments.

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Magnetic field

A magnetic field is a vector field that describes the magnetic influence of electrical currents and magnetized materials.

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Microcontroller

A microcontroller (MCU for microcontroller unit, or UC for μ-controller) is a small computer on a single integrated circuit.

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Microelectromechanical systems

Microelectromechanical systems (MEMS, also written as micro-electro-mechanical, MicroElectroMechanical or microelectronic and microelectromechanical systems and the related micromechatronics) is the technology of microscopic devices, particularly those with moving parts.

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Micromachinery

Micromachines are mechanical objects that are fabricated in the same general manner as integrated circuits.

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Microscopic scale

The microscopic scale (from, mikrós, "small" and σκοπέω, skopéō "look") is the scale of objects and events smaller than those that can easily be seen by the naked eye, requiring a lens or microscope to see them clearly.

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Moisture

Moisture is the presence of a liquid, especially water, often in trace amounts.

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Molality

Molality, also called molal concentration, is a measure of the concentration of a solute in a solution in terms of amount of substance in a specified amount of mass of the solvent.

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Molecularly imprinted polymer

A Molecularly Imprinted Polymer (MIP) is a polymer that has been processed using the molecular imprinting technique which leaves cavities in the polymer matrix with an affinity for a chosen "template" molecule.

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Nanoelectronics

Nanoelectronics refer to the use of nanotechnology in electronic components.

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Nanosensor

Nanosensors are sensors whose active elements include nanomaterials.

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Neurotransmitter

Neurotransmitters are endogenous chemicals that enable neurotransmission.

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Noise

Noise is unwanted sound judged to be unpleasant, loud or disruptive to hearing.

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Nonlinear system

In mathematics and science, a nonlinear system is a system in which the change of the output is not proportional to the change of the input.

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Nutrient

A nutrient is a substance used by an organism to survive, grow, and reproduce.

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Observational error

Observational error (or measurement error) is the difference between a measured value of a quantity and its true value.

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Oscillation

Oscillation is the repetitive variation, typically in time, of some measure about a central value (often a point of equilibrium) or between two or more different states.

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Oxygen

Oxygen is a chemical element with symbol O and atomic number 8.

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Phase (matter)

In the physical sciences, a phase is a region of space (a thermodynamic system), throughout which all physical properties of a material are essentially uniform.

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Pheromone

A pheromone (from Ancient Greek φέρω phero "to bear" and hormone, from Ancient Greek ὁρμή "impetus") is a secreted or excreted chemical factor that triggers a social response in members of the same species.

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Potentiometer

A potentiometer is a three-terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider.

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Proprioception

Proprioception, from Latin proprius, meaning "one's own", "individual", and capio, capere, to take or grasp, is the sense of the relative position of one's own parts of the body and strength of effort being employed in movement.

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Quantization (signal processing)

Quantization, in mathematics and digital signal processing, is the process of mapping input values from a large set (often a continuous set) to output values in a (countable) smaller set.

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Receptor

Receptor may refer to.

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Sampling (signal processing)

In signal processing, sampling is the reduction of a continuous-time signal to a discrete-time signal.

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Semipermeable membrane

A semipermeable membrane is a type of biological or synthetic, polymeric membrane that will allow certain molecules or ions to pass through it by diffusion—or occasionally by more specialized processes of facilitated diffusion, passive transport or active transport.

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Sensing floor

A sensing floor is a floor with embedded sensors.

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Sensitivity (electronics)

The sensitivity of an electronic device, such as a communications system receiver, or detection device, such as a PIN diode, is the minimum magnitude of input signal required to produce a specified output signal having a specified signal-to-noise ratio, or other specified criteria.

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Sensor

In the broadest definition, a sensor is a device, module, or subsystem whose purpose is to detect events or changes in its environment and send the information to other electronics, frequently a computer processor.

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Signal processing

Signal processing concerns the analysis, synthesis, and modification of signals, which are broadly defined as functions conveying "information about the behavior or attributes of some phenomenon", such as sound, images, and biological measurements.

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Signal transduction

Signal transduction is the process by which a chemical or physical signal is transmitted through a cell as a series of molecular events, most commonly protein phosphorylation catalyzed by protein kinases, which ultimately results in a cellular response.

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Sound

In physics, sound is a vibration that typically propagates as an audible wave of pressure, through a transmission medium such as a gas, liquid or solid.

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Stretching

Stretching is a form of physical exercise in which a specific muscle or tendon (or muscle group) is deliberately flexed or stretched in order to improve the muscle's felt elasticity and achieve comfortable muscle tone.

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Tactile sensor

A tactile sensor is a device that measures information arising from physical interaction with its environment.

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Toxin

A toxin (from toxikon) is a poisonous substance produced within living cells or organisms; synthetic toxicants created by artificial processes are thus excluded.

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Transducer

A transducer is a device that converts energy from one form to another.

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Transfer function

In engineering, a transfer function (also known as system function or network function) of an electronic or control system component is a mathematical function giving the corresponding output value for each possible value of the input to the device.

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Wireless sensor network

Wireless sensor network (WSN) refers to a group of spatially dispersed and dedicated sensors for monitoring and recording the physical conditions of the environment and organizing the collected data at a central location.

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Redirects here:

Car sensor, Chemical sensor, Chemical sensors, Detect, Detector, Detectors, Distance sensor, Microsensor, Optical sensor, Reversing sensor, Sensing element, Sensor (technology), Sensor resolution, Sensors, Voltage sensor.

References

[1] https://en.wikipedia.org/wiki/Sensor

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