本文对电磁波测距边投影归算中的高程异常精度问题进行了讨论。
This paper is concerned with the accuracy of height anomaly in the reduction of length projection for EDM.
邻边比率法可以有效的消弱比例误差对测距的影响，使电磁波测距的精度得到提高。
The ratio between adjacent sides can effectively decrease affection of the proportional errors in distance measuring, and the accuracy may be increased.
本文针对井下人员定位系统，深入研究了基于电磁波测距的精确定位方法，并提出了一套基于PTR8000的井下人员定位系统方案。
In this thesis, the EMW-based precise ranging technology was studied, a location system based on PTR8000 was proposed fulfilling coarse location.
与雷达和声纳技术相似，激光雷达(光探测和测距)的工作原理是通过向目标发射电磁波然后根据反射波构建图像。
Like its Cousins radar and sonar, lidar (light detection and ranging), works by broadcasting electromagnetic waves towards a target and then building up a picture from the reflection.
无源定位与跟踪技术自身不辐射电磁波而且探测距离远，所以它在电子侦察中扮演着越来越重要的角色。
Passive localization and tracking system plays an important role in the electronic reconnaissance, because it works silently without electromagnetic radiation and covering larger region.
无源定位与跟踪技术自身不辐射电磁波而且探测距离远，所以它在电子侦察中扮演着越来越重要的角色。
Passive localization and tracking system plays an important role in the electronic reconnaissance, because it works silently without electromagnetic radiation and covering larger region.
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