What does scatterometer mean?

Definitions for scatterometer
scat·terom·e·ter

This dictionary definitions page includes all the possible meanings, example usage and translations of the word scatterometer.


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Wiktionary

  1. scatterometernoun

    A form of radar used to measure surface winds from satellites, by detecting scattered microwave radiation

Wikipedia

  1. Scatterometer

    A scatterometer or diffusionmeter is a scientific instrument to measure the return of a beam of light or radar waves scattered by diffusion in a medium such as air. Diffusionmeters using visible light are found in airports or along roads to measure horizontal visibility. Radar scatterometers use radio or microwaves to determine the normalized radar cross section (σ0, "sigma zero" or "sigma naught") of a surface. They are often mounted on weather satellites to find wind speed and direction, and are used in industries to analyze the roughness of surfaces.

Wikidata

  1. Scatterometer

    A radar scatterometer is designed to determine the normalized radar cross section of the surface. Scatterometers operate by transmitting a pulse of microwave energy towards the Earth's surface and measuring the reflected energy. A separate measurement of the noise-only power is made and subtracted from the signal+noise measurement to determine the backscatter signal power. Sigma-0 is computed from the signal power measurement using the distributed target radar equation. Scatterometer instruments are very precisely calibrated in order to make accurate backscatter measurements. The primary application of spaceborne scatterometry has been measurements of near-surface winds over the ocean. Such instruments are known as wind scatterometers. By combining sigma-0 measurements from different azimuth angles, the near-surface wind vector over the ocean's surface can be determined using a geophysical model function which relates wind and backscatter. Over the ocean, the radar backscatter results from scattering from wind-generated capillary-gravity waves, which are generally in equilibrium with the near-surface wind over the ocean. The scattering mechanism is known as Bragg scattering, which occurs from the waves that are in resonance with the microwaves.

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Numerology

  1. Chaldean Numerology

    The numerical value of scatterometer in Chaldean Numerology is: 4

  2. Pythagorean Numerology

    The numerical value of scatterometer in Pythagorean Numerology is: 9

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"scatterometer." Definitions.net. STANDS4 LLC, 2024. Web. 19 Mar. 2024. <https://www.definitions.net/definition/scatterometer>.

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