以金属硝酸盐-尿素作为原料体系，引入了升华硫粉，通过低温燃烧法一步合成了硫化物体系红外响应材料。
Infrared sensitive material CaS:Eu, Sm was synthesized by adding sublimate sulphur and using nitrate-urea as raw material system in a low-temperature combustion synthesis(LCS)method.
显示器带有红外感应器可以感知用户的手的接近，在手到达显示表明之前的做出响应，打破深度的幻觉。
The display knows when a hand is coming near it thanks to infrared sensors, which respond before the fingers reach the surface and break the depth illusion.
该系统分别采用热释电探测器和快速响应的红外辐射计进行测量，并采取了有效的数据处理方法，提高了测试精度。
Pyroelectric detector and fast respond infrared radiometer are used in the system to carry on the measurement, and effective data processing method is adopted to improve the test accuracy.
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