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Small integral structure system of ground microwave radiation-scattering meter

A technology of microwave scatterometer and microwave radiometer, which is applied in the direction of radio wave measurement system, transmission system, electrical components, etc., can solve the problems of unfavorable system integration and miniaturization, achieve miniaturization reduction, simplify system structure, reduce circuit The effect of the component

Inactive Publication Date: 2004-09-08
SHANGHAI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This is not conducive to the integration and miniaturization of the entire system

Method used

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  • Small integral structure system of ground microwave radiation-scattering meter
  • Small integral structure system of ground microwave radiation-scattering meter
  • Small integral structure system of ground microwave radiation-scattering meter

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Embodiment Construction

[0026] A preferred embodiment of the present invention is, see figure 1 , is an integrated miniaturized structure system of ground microwave radiometer and scatterometer, which is integrated into a unified system by microwave radiometer and microwave scatterometer. The radiometers are matched and alternately work in a time-division manner under the coordination of a master control and data processor 20 of the system, thereby sharing a single receiver. The receiver shared by the radiometer and the scatterometer above consists of a receiving antenna 1, a polarization separator 2, a polarization switch 3, an RF switch 4, a low temperature reference source 5, a high temperature reference source 6, a reference source switch 7, a signal switch 8, Mixer 9, intermediate frequency amplifier 10, wave detector 11, gain adjustment and amplifier 12 and data collector 13 are made up; Scatter transmitter is made up of solid-state noise source 19, power amplifier 18, scatter correction switc...

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Abstract

The present invention relates to one kind of small integral structure system of ground microwave radiation-scattering meter. The system is integral one of microwave radiation meter and microwave scattering meter, and features the microwave scattering meter of noise system with frequency band range designed to match that of the microwave radiation meter. Under the control of one main controlling and data processing unit, the microwave radiation meter and the microwave scattering meter operate alternately in time sharing mode, have emission leakage detection and receiving gain regulation, and share one receiver. The present invention is favorable to system integration and minimization, and has simplified system structure and lowered system cost.

Description

technical field [0001] The invention relates to a microwave remote sensing instrument, in particular to an integrated miniaturized structure system of a ground microwave radiation-scatterometer. Background technique [0002] Microwave remote sensing has the advantage of working around the clock, and is an important technical means for obtaining remote sensing information. Microwave radiometer is the main instrument for passive microwave remote sensing, and microwave scatterometer is one of the main instruments for active microwave remote sensing. The fusion of active and passive microwave remote sensing has been proved by many experiments that more meaningful and more remote sensing information can be obtained than single active or passive remote sensing. Integrating the microwave radiometer and scatterometer in the same system not only enables simultaneous measurement of active and passive microwave remote sensing, but also provides an equipment platform for fusion process...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S7/02H04B1/38
Inventor 赵恒凯方振和姚传亮章俊张明兴韩建国葛建民
Owner SHANGHAI UNIV
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