本科毕业论文（设计、创作）

题 目： 基于FPGA的ASK调制解调器的设计 学生姓名： 刘 阳 阳 学号： 120102018 所在院系： 电子电气工程学院 专业： 电子科学与技术 入学时间： 2012 年 9 月 导师姓名： 刘 同 怀 职称/学位 讲 师/副 教 授 导师所在单位： 安徽三联学院 完成时间： 2016 年 6 月

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安徽三联学院毕业论文

基于FPGA的ASK调制解调器的设计

摘要：随着当今科学技术的快速发展, 调制解调技术作为一项现代通信系统的关键技术，也一直是人们研究的重要方向之一。在数字传输系统中，数字信号把高频载波进行调制，使它变成频带信号，之后又在接收端进行解调，使其恢复原数字信号对载波的控制,就可以使用振幅调制即振幅键控（ASK）来实现。现场可编程门阵列（FPGA）在通信领域实现了普遍的应用，利用FPGA性能优越、使用方便的特点，可以实现振幅调制解调电路设计的简化，而且方便于程序的反复编写和修改。基于FPGA的ASK调制解调器的特点有：外围电路简单，效率高，执行速度快，实用性高等。因此，本文着重介绍了通过对VHDL语言的运用以及ASK相关知识的学习，用VHDL语言进行程序编写和软件仿真来完成基于FPGA的ASK调制解调器的设计。要求设计出相应硬件设计的电路原理图和软件程序设计并且得到仿真结果，完成二进制基带数字信号的调制和解调，并得到相应的调制信号和解调信号，从而完成基于FPGA的ASK调制解调器的设计。 关键词：现场可编程门阵列; 振幅键控; VHDL; 调制解调

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安徽三联学院毕业论文

ASK the modem design based on FPGA

Abstract: With the rapid development of science and technology, modulation and demodulation technology is the key technology of a modern communication system, has also been one of the important research direction of the people. In digital transmission system, digital signal to high frequency carrier modulation and make it a signal frequency band, and later in the receiver demodulation, to restore the original digital signal to the carrier control, you can use amplitude modulation Amplitude Shift Keying (ASK). Field Programmable Gate Array (FPGA) in the field of communication realized universal application, using FPGA performance is superior, convenient to use, can realize the simplification of amplitude modulation and demodulation circuit design, and convenient to program repeatedly write and modify. The characteristics of ASK modem based on FPGA: a simple peripheral circuit, high efficiency, fast implementation, higher practicability. Therefore, this paper focuses on the use of the VHDL language and ASK related knowledge of learning, using VHDL language programming and software simulation to achieve the ASK based FPGA modem design. Design requirements the corresponding hardware design of the circuit principle diagram and the software program design and the simulation results are obtained, complete binary baseband digital signal modulation and demodulation, and get the corresponding modulation signal and demodulation signal, which based on FPGA ask modem design.

Key words：FPGA ； ASK ；VHDL ；modulator and demodulator

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