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本文介绍以比色法制成的辐射式光纤高温计原理及其温度测量的方法、给出实现比色测量的窄带干涉滤光片波长λ_1,λ_2选取的优化办法,讨论了双路温度信号的比值运算技术措施对测温系统的稳定性、抗干扰性指标的改善效果.
In this paper, we introduce the principle and temperature measurement of radiometric fiber pyrometer made by colorimetric method, and give the optimization method of selecting the wavelength λ_1 and λ_2 of the narrowband interference filter for colorimetric measurement. The ratio of the dual temperature signal Calculation of technical measures on the temperature stability of the system, anti-interference indicators to improve results.