本文依據嚴密的誤差傳播定律推導對點精度對水平角的影響,並且分析了不同測線長和不同角度大小的水平角觀測精度。
In this study the standard deviation of a horizontal angle due to the centering error is strickly derived from the error propagation law, and the accuracy of horizontal angle measurements of different kinds is analysed.