来电显示：基于DSP的解调的实现

中文字数:3581,中文页数:6   英文字数: 2212页数:7

 CALLER ID: AN OPPORTUNITY TO TEACH DSP-BASED DEMODULATION
 
Thad B. Welch  Department of Elec. and Comp. Engineering U.S. Naval Academy, MDt.b.welch@ieee.org
Cameron H. G. Wright Department of Elec. and Comp. Engineering University of Wyoming, WY c.h.g.wright@ieee.org
Michael G. Morrow Department of Elec. and Comp. Engineering University of Wisconsin, WImorrow@ieee.org
 
                           ABSTRACT
 This paper discusses one of our real-time DSP course’s most popular projects, demodulating a telephone’s caller ID signal.We will describe the use of a modified telephone coupler to allow students to access to caller ID signal and then discuss a number of the DSP methods and techniques that are required to successfully demodulate, decode, and display the caller ID information. This project has been exceedingly well received by both our undergraduate and graduate students and represents a DSP-based solution to a real world communications problem that every student has seen in use. This project involves almost every aspect of real time signal processing implementation, but is not so overwhelmingin scope that it cannot be completed in a reasonable amount of time.

来电显示：基于DSP的解调的实现
 
  Tad  B.威尔士：Elec.部门和Comp工程学   美国海军学校 MD   t.b.welch@ieee.org
  Cameron H.G.怀特:Elec.部门和Comp.工程学  Wyoming大学 WY   c.h.g.wright@ieee.org
  Michael G. Morrow: Elec.部门和Comp工程学 Wisconsin大学 WI morrow@ieee.org
 摘要
 本文谈论的是实时DSP课题中最流行的一个项目，解调电话主叫信号。本文主要描述的是一种经过修改的电话耦合装置的用途，准许学生获得主叫的身份信息，还讨论利用DSP的技术成功的解调，译码并且显示主叫的信息。这个课题被在校的大学生和研究生很好的接受，它代表了一种基于DSP 解决现实生活中在广大同学中被应用的通信问题.这个项目几乎涉及实时信号的方方面面.它不仅题目的范围大,而且它无法在合理的时间内被完成.
 

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