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    • 1. 发明授权
    • Emissivity independent multiwavelength pyrometer
    • 发射率独立的多波长高温计
    • US5132922A
    • 1992-07-21
    • US673261
    • 1991-03-20
    • Mansoor A. KhanCharly AllemandThomas W. Eagar
    • Mansoor A. KhanCharly AllemandThomas W. Eagar
    • G01J5/00G01J5/60
    • G01J5/60G01J2005/0051
    • An apparatus and method for non-contact temperature measurement of an object, using least-squares-based multiwavelength pyrometry techniques. Radiances from an object are detected by a spectrograph/detector apparatus and are converted into electronic signals readable by a computer. The computer then operates on these signals as data to be curve-fit, using least squares analysis, to a predetermined theoretical function for the dependence of the radiance on the wavelength. When the computer has minimized the least-squares difference function, the computer identified a parameter representing the temperature and reports this value to the user, along with a collaterally calculated maximum error in the temperature estimate.
    • 一种用于物体非接触式温度测量的装置和方法,使用基于最小二乘法的多波长高温测量技术。 来自物体的辐射由光谱仪/检测器装置检测,并被转换为计算机可读的电子信号。 然后,计算机将这些信号作为数据进行曲线拟合,使用最小二乘法分析,以达到辐射度对波长的依赖性的预定理论函数。 当计算机最小化最小平方差函数时,计算机识别出一个表示温度的参数,并将该值报告给用户,以及在温度估计中相互计算的最大误差。