Time-domain reflectometry( TDR): An impulse is transmitted into the loop.

时域反射器（DR）一个脉冲发射给环路。

Optical Coherence Tomography, based on optical low-coherence reflectometry, is a novel imaging technology.

基于光学低相干反射测量而发展起来的光学相干层析技术是一种新型的成像技术。

A diffusion theory model induced by a line source distribution is presented for oblique-incidence reflectometry.

本文提出一种采用线光源分布的扩散理论模型用于斜入射反射测量。

The principle of OTDR (Optical Time Domain Reflectometry) for faults location and application of OTDR method is discussed.

探讨了OTDR（光时域反射计）故障定位的原理，说明了OTDR的使用方法。

According to the principles of time domain reflectometry, a new kind of sensor of soil water content measurement is explored.

根据时域反射技术原理，研制了测量土壤含水率的一种新型传感器。