In the adjustment program of triangulation net by directional condition observation, to apply the formulas of polar coordinate condition is a new way.
本文介绍了三角网按方向条件观测平差的电算程序中，应用极坐标条件式的新方法。
Through the adjustment and optimization of the antenna, higher antenna gain is achieved, to meet the requirement of high-gain omni directional antenna.
本文通过对天线的调整与优化，实现了天线增益的提高，满足了全向高增益的要求。
Through the adjustment and optimization of the antenna, higher antenna gain is achieved, to meet the requirement of high-gain omni directional antenna.
本文通过对天线的调整与优化，实现了天线增益的提高，满足了全向高增益的要求。
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