目录
1.绪论 ..............................................................................................................................................1
1.1 扩展频谱简介 ..................................................................................................................1
1.2 扩展频谱技术特点 ..........................................................................................................1
1.3 研究扩频通信的目的和意义.........................................................................................2
1.4 本文的主要内容 ..............................................................................................................2
2.扩展频谱技术 ..............................................................................................................................3
2.1 理论基础 ..........................................................................................................................3
2.2 频谱的扩展实现 ..............................................................................................................4
2.3 m 序列 ...............................................................................................................................5
2.5 本章小结 ..........................................................................................................................8
3.SIMULINK 模型建立 .....................................................................................................................9
3.1 随机整数发生器（Random Integer genarator）.......................................................9
3.2 PN 序列发生器（PN Sequence Generator）..............................................................10
3.3 最小相移键控调制（M-PSK Modulator Passband） .................................................11
3.4 加性高斯白噪声信道（AWGN Channel）.....................................................................11
3.5 最小相移键控解调 （M-PSK Demodulator Passband） ...........................................12
3.6 误码率分析仪（Error Rate Calculation）.............................................................12
3.7 其他设置 ........................................................................................................................13
3.7.1 RELAY 的设置 ....................................................................................................13
3.7.2 product 的设置 .................................................................................................14
3.7.3 display 的设置.................................................................................................14
3.7.4 频谱分析仪（spectrum scope）的设置.........................................................14
4.仿真结果与分析 ........................................................................................................................16
4.1 Simulink 仿真结果..........................................................................................................16
4.2 Simulink 仿真结果分析...................................................................................................18
4.3 m 文件的仿真结果 .......................................................................................................19
4.4 m 文件的仿真结果分析................................................................................................20
5.结论 ............................................................................................................................................21
致谢 ................................................................................................................................................22
参考文献 ........................................................................................................................................23
附录 ................................................................................................................................................24
