// ORBITAL LOGISTICS AND PROPULSION TERM

Sensor

A sensor is a device that detects and responds to some type of input from the physical environment, like light, heat, motion, or pressure, and converts it into an electrical signal.

Sensor — illustration from Wikipedia
Image via Wikipedia

TECHNICAL DEFINITION

A sensor is an electronic device that detects and measures physical quantities (e.g., temperature, pressure, acceleration, radiation) and converts them into an electrical signal or data, critical for monitoring, navigation, and control systems in aerospace vehicles.

BACKGROUND

Skyroot Aerospace Private Limited is a private Indian aerospace manufacturer and commercial launch service provider headquartered in Hyderabad, Telangana. The company was founded by two former ISRO scientists, Pawan Kumar Chandana, and Naga Bharath Daka.

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SYNONYMS & ALIASES

  • detector
  • transducer
  • gauge
  • probe

USAGE NOTE

Thousands of sensors are used on a spacecraft to monitor its health and performance during a mission.

DEVELOPERS

Organizations developing technology related to Sensor.

  • Teledyne Technologies

    A leading manufacturer of high-performance imaging sensors (CCD and CMOS) used in space telescopes, Earth observation satellites, and planetary rovers. Their sensors were critical components in the Hubble and James Webb Space Telescopes.

  • Honeywell Aerospace

    Develops a wide range of sensors and navigation systems for aircraft and spacecraft, including inertial measurement units (IMUs), attitude and heading reference systems (AHRS), and pressure and temperature sensors for harsh environments.

  • Ball Aerospace & Technologies

    Specializes in designing and building advanced optical sensors, instruments, and entire spacecraft for civil, commercial, and national security space missions. They have developed key instruments for NASA's Kepler and James Webb space telescopes.

  • L3Harris Technologies

    A major provider of advanced electro-optical/infrared (EO/IR) sensor payloads for space-based applications, including the primary imaging instruments for the U.S. National Oceanic and Atmospheric Administration's (NOAA) weather satellites.

  • RTX (Raytheon)

    A leader in developing sophisticated sensor technologies, including advanced radar systems, electro-optical/infrared sensors, and sensor fusion systems for missile defense, space domain awareness, and aircraft.

  • NASA Jet Propulsion Laboratory (JPL)

    A federally funded research and development center that designs and builds robotic spacecraft and their scientific instruments. JPL develops novel, one-of-a-kind sensors like spectrometers, radars, and atmospheric sensors for planetary exploration.

  • MDA Ltd.

    A Canadian space technology company known for developing advanced space-based radar sensors, including Synthetic Aperture Radar (SAR) technology used in the RADARSAT satellite constellation for Earth observation.

  • GHGSat

    Operates a constellation of satellites equipped with high-resolution sensors designed specifically to detect and measure greenhouse gas emissions from industrial facilities around the world.

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