SDH网是由SDH网元设备通过光缆互连而成的,网络节点(网元)和传输线 路的几何排列就构成了网络的拓扑结构。网络的有效性(信道的利用率)、 可靠性和经济性在很大程度上与其拓扑结构有关

了解漂移和可用性的含义 传输系统的性能对整个通信网的通信质量起着至关重要的作用。影响SDH传 输网传输性能的主要传输损伤包括误码、抖动和漂移

了解SDH传输网的常见网元类型和基本功能 掌握组成SDH设备的基本逻辑功能块的功能,及其监测的相应告警和性能事 件 掌握辅助功能块的功能

电子科技大学T-DSPs技术/培训中心管庆 dsp是 Digital Signal Processing(数字信号处理或 Digital Signal Processor(数 字信号处理器)的缩写。这一章中我们要讲的内容是,如何开始采用一个或多个数字信号处 理芯片对输入信号(数字信号)进行分析、处理。所以在你进行DSP开发之前,你应该明确

一、功能 产生(a,b)区间上均匀分布的随机数。 二、方法简介 均匀分布的概率密度函数为

Evaporation and sputter deposition [15] 1. a)In the plasma of a sputter deposition system, consider an argon atom that is ionized during a collision in the plasma. i) Express the ratio of the acceleration of the liberated electron to that of the argon ion in terms of M and m, the mass of the ion and electron; give the numerical value of this ratio, and say in which

This is an open book, take-home quiz. You are not to consult with other class members or anyone else. You may discuss the solution to this exam only with the course staff

Some useful equations for Quiz# 2 Constants:kB=1.38×1023J/K=862×105eV/K,e=16×101Coul I atm=760 Torr=10 Pa Ideal gas: Pv=NkBT N/=n=C(concentration), J

Write a compact sentence that describes the molecular origin of gas pressure, including its temperature and mass dependence. [51 A: P is due to change in momentum Ap = m Av of molecules striking a surface velocity Increases as VTm

Microelectronics Processing Technology Spring Term, 200. Quiz 1 90 min/90 points total March 19 2003 Note: Be brief and relevant in your answers, and use sketches. Show your work. k=1.3810-23J/K=8.6210-eV/K 40 1. Film deposition, CVD )Discuss briefly what factors affect the microstructure a film grown on a substrate