MATLAB仿真--常规AM调制论文资源-CSDN文库

4星 · 超过85%的资源需积分: 10 66 浏览量 2011-06-29 07:11:09 上传评论收藏 343KB DOC 举报

资源推荐

资源详情

资源评论

课程设计报告

　　

院（部、中心）　

姓名学号　

专业通信工程　班级　

同组人员　

课程名称《通信原理》课程设计　

设计题目名称常规

AM

方法调制　

起止时间　　 2011.6.13——2011.6.17 　　　　

成绩　

指导教师签名　

Modulation and demodulation of AM signal

based on MATLAB

Abstract: Society becomes more developed now, science and technology in the update, in which

signal and analog circuits often used in modulation and demodulation, and AM modulation and

demodulation is the most basic, is also frequently used. To participate in the identification of such

artificial methods, the ruling includes subjective factors, will vary from person to person, can

identify the type of modulation is very limited. Automatic modulation recognition technology can

be overcome not only to participate in recognition of artificial difficulties, and the center

frequency and bandwidth of the estimation error, adjacent channel crosstalk, noise and

interference factors such as the decline of effect is relatively robust. Using AM modulation and

demodulation circuit which can achieve a lot of features, creating a lot of useful and affordable

electronic products, in order to facilitate our lives. Used in our daily lives is the use of AM radio

modulation, but also in the field of military and civilian research topics are very important.

The main content of this paper is to understand the mathematical model of the AM signal and

the modulation and the demodulation method. Demodulation different methods in different

circumstances of the demodulation signal to noise ratio the results of methods that better, to make

the comparison. Requirement is more than double the sound and the AM signal modulation and

demodulation. AM modulation first study of its function and in real life use. AM demodulation

followed by research, as well as some related knowledge, as well as through its use of

communications more in-depth understanding of it. AM signal from the tone of the mathematical

model and the modulation and demodulation methods, the two-tone AM signal to draw a

mathematical model and the block diagram of modulation and demodulation and modulation and

demodulation waveforms. MATLAB programming language to use to achieve the two-tone AM

signal modulation and demodulation, given the different circumstances of the demodulation signal

to noise ratio compared the results.

Keyword: AM signal, Modulation, Demodulation, Noise ratio signal, MATLAB

剩余14页未读，继续阅读

内容反馈

zjs1019

2012-09-04

对我写论文有很大帮助，不错
zclsf123456

2015-05-09

对自己很有用，挺不错的
SummerAndRain

2012-03-12

这是用模拟的方式实现的调制和解调，学习了。

ruixueok

粉丝: 0
资源: 1

最新资源

资源上传下载、课程学习等过程中有任何疑问或建议，欢迎提出宝贵意见哦~我们会及时处理！点击此处反馈

feedback-tip