This paper educed the error calculation formula of the mine directional Angle by using the method of guidance relation connected with the triangle observation.
本文采用导向联系三角形观测方法,导出了矿井定向角度的误差计算公式。
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The passive orientation of IRST is a dynamic triangle measurement. For the fixed target, the orientation error can be minimized by multiple measurements and the least squares(LS) method.