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Onboard passive wide-aperture noise generators (BSHI)

Onboard passive wide-aperture noise generators (BSHI)
Onboard passive wide-aperture noise generators (BSHI)

Designed for

on-board calibration of satellite MW radiometers for remote sensing of the Earth (ERS) - measuring instruments for land, atmosphere, and ocean parameters.

The material of the radiating element ("black body") is made of conical single crystal silicon rods. The radiating element includes seven small-sized vibration-resistant platinum resistance thermometers.

Frequency range, GHz from 20 to 220
Reproducible noise temperature levels, К from 220 to 320
Error in measuring the thermodynamic temperature of a silicon radiating element, K 0,1
Error of the reproduction of noise temperature unit, К 1,5

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