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Radiometer front end structure

A technology of radiometer and chip, which is applied in the direction of material analysis using radiation, material analysis using wave/particle radiation, and measuring devices, etc. It can solve the problems of difficult assembly and poor integration, and achieve volume reduction and high integration. Degree, to achieve the effect of fully automatic assembly

Inactive Publication Date: 2019-09-10
THE 13TH RES INST OF CHINA ELECTRONICS TECH GRP CORP
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Problems solved by technology

[0004] In view of this, the embodiment of the present invention provides a radiometer front-end structure to solve the problems of poor integration and difficult assembly in the prior art

Method used

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Embodiment Construction

[0029] 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.

[0030] In order to illustrate the technical solutions of the present invention, specific examples are used below to illustrate.

[0031] figure 1 The schematic diagram of the front-end structure of the radiometer provided by the embodiment of the present invention is described in detail as follows.

[0032] The radiometer front-end structure may include: a metal box 101 , a quartz probe 102 , a ...

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Abstract

The invention relates to the technical fields of terahertz security detection, substance detection, remote sensing, medical diagnosis and the like, and provides a radiometer front end structure. The radiometer front end structure comprises a metal box body with the upper side surface provided with a groove; a quartz probe, a two-stage low-noise amplifier chip, a detector chip and a video amplifierare sequentially arranged in the groove, and the adjacent devices are electrically connected. Due to the fact that the devices are chips and the chips are arranged in the metal box body, the sizes ofcircuits can be remarkably reduced, the high integration level is achieved, and full-automatic assembly can be realized.

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 structure. 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 detection inside ma...

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Application Information

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IPC IPC(8): G01N23/02
CPCG01N23/02G01N2223/03G01N2223/30
Inventor 孔令甲周彪高立昆要志宏许向前王玉冯涛张洪刚
Owner THE 13TH RES INST OF CHINA ELECTRONICS TECH GRP CORP
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