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  2. Spacecraft attitude control - Wikipedia

    en.wikipedia.org/wiki/Attitude_control_system

    A horizon sensor is an optical instrument that detects light from the 'limb' of Earth's atmosphere, i.e., at the horizon. Thermal infrared sensing is often used, which senses the comparative warmth of the atmosphere, compared to the much colder cosmic background. This sensor provides orientation with respect to Earth about two orthogonal axes.

  3. Optoelectronics - Wikipedia

    en.wikipedia.org/wiki/Optoelectronics

    Electronic light sensors. Optoelectronics (or optronics) is the study and application of electronic devices and systems that find, detect and control light, usually considered a sub-field of photonics. In this context, light often includes invisible forms of radiation such as gamma rays, X-rays, ultraviolet and infrared, in

  4. Spacecraft attitude determination and control - Wikipedia

    en.wikipedia.org/wiki/Spacecraft_attitude...

    A horizon sensor is an optical instrument that detects light from the 'limb' of Earth's atmosphere, i.e., at the horizon. Thermal infrared sensing is often used, which senses the comparative warmth of the atmosphere, compared to the much colder cosmic background. This sensor provides orientation with respect to Earth about two orthogonal axes.

  5. List of sensors - Wikipedia

    en.wikipedia.org/wiki/List_of_sensors

    Hall effect sensor; Wheel speed sensor; Airbag sensors; Automatic transmission speed sensor; Brake fluid pressure sensor; Camshaft position sensor (CMP) Cylinder Head Temperature gauge; Engine crankcase pressure sensor; Exhaust gas temperature sensor; Fuel level sensor; Fuel pressure sensor; Knock sensor; Light sensor; MAP sensor; Mass airflow ...

  6. Chemical sensor array - Wikipedia

    en.wikipedia.org/wiki/Chemical_sensor_array

    A chemical sensor array is a sensor architecture with multiple sensor components that create a pattern for analyte detection from the additive responses of individual sensor components. There exist several types of chemical sensor arrays including electronic, optical, acoustic wave, and potentiometric devices.

  7. IEEE 1451 - Wikipedia

    en.wikipedia.org/wiki/IEEE_1451

    IEEE 1451 is a set of smart transducer interface standards developed by the Institute of Electrical and Electronics Engineers (IEEE) Instrumentation and Measurement Society's Sensor Technology Technical Committee describing a set of open, common, network-independent communication interfaces for connecting transducers (sensors or actuators) to microprocessors, instrumentation systems, and ...

  8. Fiscal Quarters (Q1, Q2, Q3, Q4) Explained and What ... - AOL

    www.aol.com/finance/fiscal-quarters-q1-q2-q3...

    This is when the fiscal year starts unless otherwise indicated by the company's annual report. Q2: The second quarter, refers to the accounting period of April, May and June. ... (Q1, Q2, Q3, Q4 ...

  9. Robotic sensors - Wikipedia

    en.wikipedia.org/wiki/Robotic_sensors

    Types of robot sensors (Light and Sound sensors) Robotic sensors are used to estimate a robot's condition and environment. These signals are passed to a controller to enable appropriate behavior. [1] [2] Sensors in robots are based on the functions of human sensory organs. Robots require extensive information about their environment in order to ...

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    sensors and actuators reports q1 or q2 light hiking