The reporter learned from the 203th Institute of China Aerospace Science and Industry Corporation on the 5th that the institute has established the first set of electromagnetic parameter calibration system for high-temperature broadband materials in China. The measurement accuracy is high and the measurement frequency is wide. It can meet the testing requirements of high-temperature environments and form a High temperature broadband electromagnetic parameter calibration capability. Prior to this, the high-temperature wide-band electromagnetic parameter calibration project for radome materials won the first prize for the 2016 National Defense Science and Technology Progress Award.

According to Zhang Na, the person in charge of the project, currently the developed countries such as the United States and Germany have established a complete calibration system for electromagnetic parameters of materials. China's material testing is still in the low-end level, although the detection equipment has basically met the domestic demand, but in the high-end applications, domestic testing equipment can not fully meet the demand.

Although the parameters of the electromagnetic parameters of the material are relatively single, they will change with external conditions such as temperature and frequency. Therefore, although there are many domestic testing methods, no comprehensive measurement capability has been formed. The results of different experiments are not comparable, and it is impossible to know whether the data are comparable. accurate. The use of material electromagnetic parameters calibration technology can provide basis for the development and finalization of materials, improve efficiency and reduce costs. The technology can be applied to the fields of electronics, aerospace, and colleges and universities, and has good economic and social values.

In the next step, 203 will gradually develop a series of measurement and test products according to market demand, and will conduct research work on the measurement technology of electromagnetic characteristics of new materials. (Wu Yu reporter Fu Yifei)

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