传输衰减 meaning in English

transmission attenuation

In this paper based on the test and simulation of different power networks , the reliability and practicability of carrier communications are discussed and the impedance characteristic , transmission characteristic , the effect of noise on the low - voltage are also analyzed
本文基于对不同电网环境下的载波传输情况进行系统综合测试和仿真的基础上，针对载波通信的可靠性、实用性进行了探讨。分析了低压电力网的阻抗特性、传输衰减特性以及噪声特性影响。
The paper has founded the model of laser transmission in launch process and the movement model of laser - powered vehicle , and has analyzed the influence on performance of launch system , which was raised by some factors , for instance , the performance of thruster , the attenuation in transmission , the height of mode - transform , the laser power , the air drag force , the launch height , and so on
本文研究了激光推进微小卫星发射系统的概念和性能。建立了发射过程激光传输和激光推进运载器运动模型,分析了推进系统性能、大气传输衰减、模式转换高度、激光器功率、大气飞行阻力、发射点高度等因素对发射系统性能的影响。