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Calibration device and method of calibrating a microwave radiometer
Calibration device and method of calibrating a microwave radiometer
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机译:校准装置和校准微波辐射计的方法
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摘要
A calibration device for precise calibration of a microwave radiometer is described. The calibration device has a housing that partially encompasses a calibration chamber. The housing includes a microwave transparent portion that is provided at a wall of the housing. The microwave transparent portion defines an entry for microwaves into the calibration chamber. The microwave transparent portion is made by a microwave transparent material that is insulating. An absorber at a defined temperature is provided within the calibration chamber. An interface between the microwave transparent portion and the absorber is provided, which ensures a substantially reflection free entry of the microwaves into the calibration chamber. The substantially reflection free entry of the microwaves corresponds to capturing at least 3 orders of reflection of the microwaves. Further, a method of calibrating a microwave radiometer is described.
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