This paper introduces a kind of measuring method of standing wave ratio on-line.
驻波比是衡量雷达发射机和天馈系统工作状态的一项重要指标。
The trip ratio of the double-circuit line on the same tower is very high. So the study on lightning prevention should be enhanced and corresponding calculation method should be put forward.
同塔双回线路跳闸率很高，应尽快加强防雷研究，提出相应的计算方法。
Based on the cross-ratio invariance theorem, a new method for acquiring characteristic points in the calibration of line structure-light sensor was proposed.
在已知一个消隐点的情况下，利用交比不变性及消隐点的知识对摄像机进行标定。
Based on the cross-ratio invariance theorem, a new method for acquiring characteristic points in the calibration of line structure-light sensor was proposed.
在已知一个消隐点的情况下，利用交比不变性及消隐点的知识对摄像机进行标定。
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