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本文就遥测数据处理中如何利用最小二乘法对遥测传感器(及信号变换器)各校准点进行曲线拟合作了一般性讨论,并从工程实用角度出发,编制了计算机程序。在实践中,针对某型导弹的遥测参数校准点进行了大量的拟合计算,用 X—Y 绘图仪自动绘制出校准曲线并写出曲线方程和残差,获得满意的结果,它不仅可用于各种飞行器的遥测数据处理,还能用在各种自动化测试设备的标定工作中。
This paper discusses how to use the least square method to curve fitting the calibration points of telemetry sensors (and signal transducers) in the process of telemetry data processing. And from the practical point of view, the computer program is compiled. In practice, a large number of fitting calculations have been carried out for the calibration points of a missile’s telemetry parameters. The X-Y plotter is used to automatically draw the calibration curve and formulate the equation of the curve and the residual to obtain satisfactory results. It can be used not only in Telemetry data processing of various aircraft, but also can be used in a variety of automated test equipment calibration work.