摘要
为了求解多波长高温计多光谱通道的欠定方程组,引入了优化的思想,将多光谱真温的求解问题转化为多目标极值优化(MMO)问题,无需假设光谱发射率与其他物理量之间的函数关系模型即可求解真温。所提方法的反演精度与二次测量(SMM)法的大体相同,但反演速度大幅增大。借助火箭尾焰的真实测量数据,利用MMO法实现了火箭尾焰真温和光谱发射率的反演。
In order to solve the underdetermined equation group of multiple spectral channels in a spectral pyrometer, the idea of optimization is introduced, and the problem of solving multispectral true temperature is transformed into a multi-objective minimization optimization(MMO) problem. The true temperature can be solved without assuming the function relationship model between spectral emissivity and other physical quantities. The inversion accuracy of the proposed method is equal to that of the second measurement method, and the inversion speed is greatly improved. With the aid of the actual measurement data of rocket exhaust plume, the MMO method is used to realize the inversion of the true temperature of the rocket exhaust plume.
作者
张福才
孙博君
孙晓刚
Zhang Fucai;Sun Bojun;Sun Xiaogang(School of Electrical Engineering and Automation,Harbin Institute of Technology,Harbin,Heilongjiang 150001,China;Institute of Electrical and Control Engineering,Heilongjiang University of Science and Technology,Harbin,Heilongjiang 150022,China)
出处
《光学学报》
EI
CAS
CSCD
北大核心
2019年第2期208-213,共6页
Acta Optica Sinica
基金
国家自然科学基金(61875046
61405045)
国家重大科学仪器设备开发专项(2013YQ470767)
关键词
测量
发射率
多光谱
真温
优化
measurement
emissivity
multispectral
true temperature
optimization