The material must be sensitized for the monochromatic radiation of the laser . 此材料必须对该激光器的单色辐射敏感。
Homogeneous radiation thermometer 单色辐射温度计
Monochromatic emissive power 单色辐射本领
In the temperature measurement , using a means of the optical fiber homochromous radiation temperature measurement , the mathematical model is created , and the temperature is monitored in real time . in the displacement measurement , the reflex mode method of displacement measurement of optical fiber is adopted . in order to eliminate the unstability of measurement system created by the illuminant receiving outside disturbance , the system designs referenced channel to assure the reliability of measurement and monitor the change of displacement in rea time 在温度测量中,采用光纤单色辐射式温度测量方法,建立数学模型,实时监控温度的变化;在位移测量中采用光纤反射式位移测量方法,为消除光源受外界干扰给系统测量带来的影响,系统设计了参考通道,以此保证测量的可靠性和高精度,实时监控位移的变化。
In the study , sd2000 spectrometer is applied to obtain radiation spectrum of flame within wavelength 480 - lloonm , from which flame temperature and monochromatic emissivity are derived by newton raphson non - linear method and levenberg - marquart modeling method . the flame monochromatic emissivity is translated in form of f ( / l ) and a ( a ) respectively 在该方法中,采用sd2000型光纤光谱仪测量火焰在可见光( 480 - 1100nm )波长范围内的火焰的辐射光谱,结合newton - raphson非线性迭代算法和levenberg - marquardt最优化算法,得到火焰温度和单色辐射率变化规律。