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Microwave high spectrum radiometer

A hyperspectral and radiometer technology, applied in the field of microwave remote sensing, can solve problems such as low spectral resolution, slow scanning speed, and low sensitivity

Inactive Publication Date: 2012-12-19
BEIJING KUNQI ELECTRONICS SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although the microwave radiometer has the above advantages, it has the disadvantages of low spectral resolution, low sensitivity and slow scanning speed

Method used

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Embodiment Construction

[0124] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0125] see figure 1 , is a schematic structural diagram of a microwave hyperspectral radiometer provided in an embodiment of the present invention, and the microwave hyperspectral radiometer includes: a microwave mirror device 11, a receiving antenna device 12, a rotating platform device 13, and a microwave hyperspectral clear sky calibration Device 14, microwave hyperspectral receiver device 15, constant temperature device 16 and microwave hyperspectral digital proc...

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Abstract

The invention provides a microwave high spectrum radiometer. A rotatable platform is used to adjust a rotation angle of a microwave reflector device to change working wave beam directing of a receiving antenna device to realize measuring of atmospheric radiation spectrum. Incident microwave energy is reflected in the receiving antenna device through the microwave reflector device, and directing of the antenna wave beam is changed by rotating the microwave reflector device by 360 degrees. Elevation of the antenna wave beam can be accurately measured by an elevation positioner, and when a computer or a remote computer issues a series of observation instructions of the microwave radiometer, the rotatable platform device instructs the microwave reflector device to rotate to a specified elevation and an azimuth. A microwave high spectrum digital processing and control device enables a microwave high spectrum receiver device to be arranged into a needed passage, simultaneously orders the microwave high spectrum receiver device to start to observe the sky, and then transmits observed data to the computer or the remote computer to be inverted into meteorological parameter curves.

Description

technical field [0001] The invention relates to the technical field of microwave remote sensing, in particular to a microwave hyperspectral radiometer. Background technique [0002] In the field of microwave remote sensing, the microwave radiometer is a passive microwave-based remote sensing device that can work around the clock. It is mainly used for small and medium-scale weather phenomena, such as storms, lightning, heavy rainfall, fog, freezing and boundary layer turbulence. For small and medium-scale weather disasters that are generated or dissipated in a short period of time, although they are only regional, some events are more harmful. In the current monitoring process of mesoscale weather phenomena, sounding balloons and weather radars are commonly used means. The microwave radiometer has the ability to work independently and can work in almost all kinds of environmental conditions. It is very suitable for automatic weather stations to invert a complete atmospheri...

Claims

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Application Information

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IPC IPC(8): G01J5/00G01J5/02
Inventor 苗俊刚谢衍郑成赵海博
Owner BEIJING KUNQI ELECTRONICS SYST
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