在利用GPS观测站组成三角形计算地应变时，建议所组成的三角形形状因子的阈值应取为0 .1～ 0 .36。
When the strains are calculated by the triangle composed of GPS stations, the threshold of the shape factor is suggested to be 0.1 to 0.36.
提出的算法是利用两个观测站测得的信息，应用三角交叉定位法，对运动目标辐射源位置的估计算法进行了研究。
The estimate algorithm of the location of the target solved passive location and tracking to a moving target with triangle bearing location algorithm by using the information from two stations.
分析了单向光电三角高程测量的误差来源，在此基础上推导了最佳测站位置离测点的平距公式。
Based on the error resource analysis in one-way photoelectric triangulated heigh survey, the horizontal distance equation is drawn for optimal station away from survey point.
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