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Wireless photonic temperature sensing system and method

A sensing method and technology of sensing system, applied in the intersection of optoelectronic measurement and wireless communication, can solve problems such as limited sensitivity, achieve the effect of improving sensitivity, breaking through limitations, and being beneficial to all-round coverage

Active Publication Date: 2019-12-24
HUNAN INST OF TECH
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  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a wireless photon temperature sensing system and method. The aforementioned wireless photon temperature sensing system can solve the problem of limited sensitivity of the traditional wireless temperature sensing system. The end is completed, which can well overcome the interference of noise on the sensing signal and improve the sensitivity of the sensing system

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  • Wireless photonic temperature sensing system and method

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Embodiment Construction

[0035] In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the embodiments and the accompanying drawings, and the contents mentioned in the embodiments are not intended to limit the present invention.

[0036] The invention is mainly based on the following technical ideas: firstly construct a Mach-Zehnder type interferometer, the laser emission optical signal is divided into upper and lower branches through a coupler, the upper branch optical signal passes through the optical fiber and the lower branch passes through the optical signal of the electro-optical phase modulator Enter the coupler for interference; the oscillator of the central station is controlled by the computer to generate a microwave oscillation signal, which is received by the base station through wireless communication as the microwave input signal source of the base station; and then constructs a microwave photonic link t...

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Abstract

The present invention relates to a wireless photon temperature sensing system and method, and relates to the technical fields of photoelectron measurement and wireless communication cross. The systemcomprises a plurality of base stations and a center station, all the base stations comprise temperature sensors, No.1 amplifiers, No.2 amplifiers, No.1 amplifiers, No.2 amplifiers, No.1 filters, No.2filters, No.3 filters, No.1 circulators and No.1 antennas. Each temperature sensor comprises one thermocouple, one adaptive circuit, one bias device, one laser, one electro-optics phase modulator, oneelectro-optics detector, one No.1 coupler, one No.2 coupler, one No.1 optical fiber and one No.2 optical fiber; the center station comprises a computer, an oscillator, a No.3 amplifier, a No.4 filter, a No.5 filter, a No.2 circulator, a power meter and a No.2 antenna; and the No.1 antennas and the No.2 antenna are capable of receiving and transmitting wireless electromagnetic waves. The sensing process of the wireless photon temperature sensing system can be completed at a high-frequency end, and the wireless photon temperature sensing system and method can greatly overcome the interference of noise on sensing signals so as to improve the system flexibility.

Description

technical field [0001] The invention relates to the cross technical field of optoelectronic measurement and wireless communication, in particular to a wireless photon temperature sensing system and method. Background technique [0002] Temperature is a physical quantity that characterizes the degree of cold and heat of an object, and is a very important and common measurement parameter in the process of industrial and agricultural production. Temperature measurement and control play a very important role in ensuring product quality, improving production efficiency, saving energy, producing safety, and promoting the development of the national economy. A temperature sensor is a device or device that can sense temperature and convert temperature into usable output electrical signals according to certain rules. It is the core component for temperature measurement and control. It is widely used in various industrial environments, involving aviation Aerospace, military, petroche...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01K11/32G01K7/02G08C17/02
CPCG01K7/02G01K11/32G08C17/02
Inventor 洪俊彭志强杜鸣笛严亚周王小虎李祖林
Owner HUNAN INST OF TECH
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