基于Fpga的误码检测仪设计的程序

目录

摘要 

 

第  章绪论 

 引言 

 数字误码测试仪的发展现状 

 本课题的研究目的和目标

 本文结构 

 序列误码检测方法

 误码检测仪系统要求 

 系统整体结构设计 

 本章小结 

第  章 低速误码检测  核设计 

 串行  序列同步 

 串行  序列中的滑码判断

 低速误码检测内核和仿真

 本章小结 

第  章高速误码检测  核设计 

 高速误码检测内核的仿真

 本章小结 

第  章误码检测仪测试平台设计 

 误码检测片上系统设计 

 误码检测仪硬件 

 上位机界面软件设计 

 误码检测仪界面软件介绍

 误码检测功能测试 

 本章小结 

第  章总结与展望 

的传输电缆也转变成光纤,在通信设备和通信系统的性能测试、故障诊断中误码

检测仪是不可缺少的设备。由于传统的低速率电信号误码检测仪信号速率低、

接口单一、不具备光接口,已经不能满足当今光纤通信系统的误码检测要求 ,本

文针对光纤通信系统 SDH/SONET(同步数字网)的特点,设计了最高速率可达

2488.320Mbps 误码检测仪,可以检测电通信设备的误码性能,也可以检测光通

信设备的误码性能。

本文 分析了误 码检测仪 的系统 需 求  提 出了以  的  型号 为  !"

#为核心硬件上位机机软件为辅助管理平台的误码检测仪设计方案。以为核心硬

件克服了传统误码检测仪数字信号处理能力、系统扩展和实时性上的不足利用 现场

可编程门阵列#的硬件可编程性可以自行设计误码检测软核使各功能模块的功能可以在逻

够根据误码检测的需要灵活的选取误码测试的码型、误码测试的速率和误码检测的接口能

够记录误码检测系统的持续测试时间能根据误码数自动计算误码率。

根据设计的论证结果可知基于  为核心、上位机界面软件为辅的误码检测仪增加了

系统的集成度、扩展了误码检测仪的功能经过连续  个小时的误码性能测试测试结果准确

无误因此本次设计的误码检测仪满足当今的 )( 网络设备的 *+ 速率标准的误

码性能测试要求达到了预期的目标。

关键词: 误码检测仪 并行 m 序列 FPGA

Abstract

,%-  -$  .$/$0&+$1  &2  &31%4&1  $-1&0&'5  -$  &31%4&1  $  &2

&31%4&15$%'$05%+&/$.-$&.$&2&31%4&11.&31%4&1

&+406$&31%4&15$1-%++$-$:%3$&2*+$&

.$$&  %  .$%'1$.  2&  -$  -$%4  &2  -$  &+40  6$  &31%4&1  5$

)(;)<=!51-&1&3.%'%01$9&>#1.1$.$$$.!-$8=?+$2&1$&21

$0$%0&31%4&1.$/%$10&.$$-$8=?+$2&1$&2&+40&31%4&1

$73%+$1

!-%++$105@$-$5$$73%$$1&2-$$&.$$4&1%13$11.+3

2&9.-$.$%'1-$$&2-$$&&.$.$$&$.&1-$ !"

#-$&$-.9$1.-$3++$&+3$&A9$-$3:%0%51'$$1

+0B&  !-$  &$  -.9$  &/$&$  -$  -&&%1'  &2  -$  .%'%0  %'10  +&$%1'

+%0%5  -$  5$ $:+1%&1 1.  -$  $0"4$  +$2&1$  &2  -$  .%4&10  %  $&

105@$.  !-$  $%0  $73$1$    &031 1.  +00$0   $73$1$  '$1$4&1 0'&%-  $

%1&.3$.%1.$%0&.%1'&-$0'&%--$0&9%$&.$$4&1>$1$01.-$-%'-

+$$.$&.$$4&1>$1$0$.$%'1$.5-$ $%%&'(01'3'$!-$1-$5$&1

-$-%+&2-$%$&.$$&%$3+1.-$5$%1$'4&1.$'$$1.$&&.$$

%+&/$.!-$.$$4&15$1&3+33+&%$&.$$4&1&.$&.%1'&-$

%134&1&--$$&.$$&1$++0%$.&/%$5&2$&$1..!-$-&

&+3$%1$2$&A9$1$0$-$&.$5+$-$$&2$&&.$$1.-$$&

&.$.$$4&1%1$2$9-%-1$&.-$$&$3&4005&.%1'&-$13$

&2$&&.$

&.%1'&-$$30&2-$.$%'1-$$&&.$.$$&$.&1-$-$

第 1 章绪论

1.1 引言

持

1.2 数字误码测试仪的发展现状