Radiometer front-end and terminal equipment

A technology of radiometer and input terminal, which is applied in the field of radiometer front-end and terminal equipment, can solve the problems of poor integration, radiometer output voltage drift, and difficult assembly, so as to improve drift, reduce assembly difficulty, and realize engineering and The effect of mass production

Active Publication Date: 2020-09-01
THE 13TH RES INST OF CHINA ELECTRONICS TECH GRP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the embodiment of the present invention provides a radiometer front-end and terminal equipment to solve the problems of poor integration and difficult assembly in the prior art, and changes in ambient temperature will cause significant fluctuations in the output voltage of the radiometer. The problem of voltage drift

Method used

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  • Radiometer front-end and terminal equipment
  • Radiometer front-end and terminal equipment
  • Radiometer front-end and terminal equipment

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Embodiment Construction

[0045] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

[0046] In order to illustrate the technical solutions of the present invention, specific examples are used below to illustrate.

[0047] figure 1 The schematic diagram of the front end of the radiometer provided for the embodiment of the present invention is described in detail as follows.

[0048] The front end of the radiometer may include: a metal box 101 , a boss 102 , a quartz probe 103 , a...

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Abstract

The invention is applicable to technical fields such as terahertz security inspection, material detection, remote sensing, and medical diagnosis, and provides a radiometer front end and terminal equipment, including: a metal box body, a groove is opened on the upper side, and a plurality of protrusions are arranged in the groove. platform; the two-stage low-noise amplifier chip and the detector chip are sequentially arranged on the corresponding boss; the quartz probe is arranged in the groove of the metal box and is located on the left side of the boss corresponding to the two-stage low-noise amplifier chip; video The amplifier is set in the groove of the metal box and is located on the right side of the corresponding boss of the detector chip; the electrical connection between adjacent devices; the temperature compensation bias circuit is connected to at least one of the two-stage low-noise amplifier chips Chip connection, which can significantly reduce the volume of each circuit, has a high degree of integration, can realize automatic assembly, reduce assembly difficulty, and can realize engineering and mass production.

Description

technical field [0001] The invention belongs to the technical fields of terahertz security inspection, material detection, remote sensing and medical diagnosis, and in particular relates to a radiometer front end and terminal equipment. Background technique [0002] A radiometer is a high-sensitivity receiver used to measure the thermal radiation of objects and is the main tool for passive microwave remote sensing. At present, microwave radiometers based on ground-based (including ground and ship-borne platforms), space-based (including aircraft, missile, balloon platforms), satellite-based (including satellite, spacecraft, space shuttle platforms) and other carrier platforms have been developed rapidly. The radiometer has also developed from the meter-wave radiometer to the current millimeter-wave, sub-millimeter-wave and even terahertz radiometers. Terahertz can pass through non-metallic and non-polar materials with little attenuation, and realize terahertz imaging detect...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01J5/02G01J5/06G01J5/00G01J5/04
CPCG01J5/06G01J5/0003G01J5/00G01J5/0205G01J5/04G01J2005/0077G01J5/068
Inventor 许向前周彪孔令甲胡丹高立昆赵瑞华李宇文松谢潇
Owner THE 13TH RES INST OF CHINA ELECTRONICS TECH GRP CORP
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