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[ China Instrument Network Instrument R&D ] Recently, the Hubei Institute of Metrology and Measurement Technology officially signed a project cooperation agreement with the China Institute of Metrology and the Shanghai Institute of Technical Physics, jointly launching a national key research and development program "Earth Observation and Navigation" Research on the "Infrared emission spectrum space radiation reference load technology" project.
At present, the use of satellites to conduct climate change research requires the identification of temperature changes of less than 1K per 100 years, which involves the establishment of satellite infrared radiation temperature measurement benchmarks. At present, China's meteorological satellite remote sensing temperature measurement benchmark has not been established, "infrared emission spectrum space radiation reference load technology" project will focus on breaking through the core common technology of blackbody radiation sources, in order to achieve infrared remote sensing load space scaler The effective traceability of values ​​has promoted the effective enhancement of the quantitative level of infrared remote sensing load in China. At the same time, the study will also have a positive effect on the development of satellite observation and navigation technologies.
In the project study, the Hubei Provincial Institute of Metrology and Measurement will be responsible for high-precision temperature sensor measurement technology research and high-precision platinum resistance thermometer traceability methods and other research topics for the application of high-precision platinum resistance thermometers in the spaceborne environment to provide theoretical And experimental data support provides technical support for traceability of vacuum standard blackbody radiation source values. To support the advancement of project research, in the early stage of the project application, researchers from the Hubei Provincial Institute of Metrology have conducted some studies, such as the study of the difference between the ITS90 platinum resistance thermometer method and the industrial platinum resistance thermometer polynomial method, and high-precision platinum. Theoretical and experimental research on the thermal characteristics of resistance temperature sensing elements has significantly accelerated the project research process.
In order to develop science and technology, measurement must take precedence. As a participant in project research, Hubei Metrology Institute will use project research to improve measurement technology capabilities, support the promotion of related industries and scientific research on climate observation and satellite navigation in Hubei, and respond to global climate change and regional response, and accelerate economic transformation and upgrading in China. It will make new and greater contributions to the construction of ecological civilization, the implementation of the “One Belt and One Road†strategy and the development of new urbanization.
(Original Title: Research on the “Specific Earth Observation and Navigation Technology of the Infrared Emission Spectral Zone†project jointly conducted by the Hubei Institute of Metrology, the Chinese Academy of Metrology, and the Shanghai Institute of Technical Physics.