民生学院07通信论文通信电子电路噪声干扰及克服方法2

目 录 TOC \o "1-4" \u 摘 要： PAGEREF _Toc172091307 \h 10 前言 PAGEREF _Toc172091308 \h 11 噪声和干扰 PAGER

目录 ........................................................................................................................ 1 摘要： 0 ............................................................................................................................ 1 前言 1 ............................................................................................................. 1 噪声和干扰 1.1 ............................................................................................ 1 噪声和干扰的定义 1.2 ............................................................................ 2 电子电路中噪声干扰的危害 1.3 ............................................................................................ 2 噪声和干扰的来源 1.4 .................................................... 2 电阻热噪声、几种晶体管噪声及其他噪声 2 ................................................................................................... 2 噪声干扰的量度 2.1 ................................................................................................................ 2 信噪比 2.2 ............................................................................................................ 3 噪声系数 2.3 ............................................................................................................ 3 噪声温度 2.4 ............................................................................................................ 3 分贝单位 3 ................................................................................................... 3 噪声干扰的路径 3.1 ................................................................................................ 4 噪声的传导耦合 3.2 ................................................................................................ 4 噪声的静电耦合 3.3 ........................................................................................ 4 噪声的公共阻抗耦合 3.4 ........................................................................................................ 4 漏电流耦合 4 .......................................................................................... 5 噪声干扰的克服方法 4.1 ............................................................ 5 通过对噪声源的抑制来克服噪声干扰 4.2 ................................................................ 5 通过对路径的控制来克服噪声干扰 4.3 .................................................................... 5 通过处理接收方来减小噪声干扰 4.4 ................................................................................ 6 其他克服噪声干扰的方法 5 .......................................................................................................................... 12 结论 ...................................................................................................................... 12 参考文献