本文从硬件和软件两方面介绍了单片微型计算机在单模光纤定点衰耗测试仪中的应用。
This article introduces the application of a single-chip computer with its hardware and software in pinpoint loss measurement instrument for single-mode optical fibers.
本文所建立的EDFA的理论模型考虑了ASE和光纤的本征衰耗，修改了速率方程和传输方程。
The model of EDFA that has been made is modified by considering the base loss of erbium-doped fiber and ase. The rate equations and propagation equations that have been modified are given.
通过对新赛线高频通道进行扫频试验，选择适合该高频通道的工作频率，有效地减小了该高频通道的衰耗。
Fitting operating frequency of Xinsai line high-frequency channel is decided through sweep checking of the channel.
研究得出的降雨衰耗和降雨衰减系数值，不仅对WLAN的固定无线接入，而且对移动通信都具有参考价值。
The research result and the rain attenuation coefficient thus obtained provide valuable reference not only in WLAN and immobile wireless accessibility but also in mobile communication.
为了设计基于电力线通信（ PLC）的高速可靠通信系统，必须了解衰耗、阻抗、噪声等电力线信道特性。
The design of reliable high speed communication systems for power line communication (PLC) requires an accurate knowledge of such channel specific characteristics as attenuation, impedance and noise.
进而提出了耦合器设计原则是在满足带宽要求的前提下，减小配电网络阻抗和耦合器阻抗不匹配产生的衰耗。
On this basis, the couple device's design principle is to decrease the mismatch loss of the network impedance and couple device impedance.
进而提出了耦合器设计原则是在满足带宽要求的前提下，减小配电网络阻抗和耦合器阻抗不匹配产生的衰耗。
On this basis, the couple device's design principle is to decrease the mismatch loss of the network impedance and couple device impedance.
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