摘要
通过研究阶跃电压信号因电缆的阻抗变化而引起的的反射规律 ,推导出了在多个强间断变化阻抗的情况下 ,阻抗的相对变化量与反射电压的关系 ,以及同轴电缆几何尺寸变化与电缆传输阻抗之间的关系 .指出在小变形的假设下 ,它们之间存在着理想的线性关系 .同时 。
The time domain reflectometry of the coaxial cable was analyzed by studying the relation between the cable geometry and the characteristic impedance as well as the relation between the change of characteristic impedance and the voltage of reflected wave. The linearity was derived from the relations when the small deformation condition was applied. Finally, an application of TDR in the traffic engineering was presented.
出处
《华南理工大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2000年第6期69-73,共5页
Journal of South China University of Technology(Natural Science Edition)
