[信息与通信]直扩与跳频技术的研究及其vhdl实现

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1、武汉理工大学毕业设计（论文）目录摘要··························································································································································ⅠAbstract·····························································································

2、·····················································Ⅱ1绪论·······················································································································································11.1论文研究背景及意义·····················································

3、····················································11.2国内外研究现状····················································································································21.3论文主要研究内容···················································································

4、·····························32扩频通信系统的基本原理·····················································································································42.1扩频通信系统的基本概念···································································································4

5、2.2扩频通信系统的基本模型······································································································62.3调制解调技术························································································································62.4伪随机序列码··················

6、·······································································································72.5扩频通信系统的同步············································································································83直序扩频通信系统的设计与实现··································

7、······································································143.1直序扩频通信系统的基本原理····································································································143.2直序扩频通信系统的VHDL设计··································································

8、·······················143.2.1直序扩频通信系统发送模块的设计与实现··································