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介绍了数字通信中的QPSK调制解调的原理,通过用Matlab编写脚本程序对QPSK通信系统的发射和接收过程的具体实现进行模拟仿真,绘出信号在理想信道和加噪信道中模拟传输时的时域图,并对各模块进行了频谱分析,所得到的结果与
理论基本相符,对于理解QPSK系统的性能并在系统的实际应用上作进一步的设计,提供了有效的参考依据。
-The introduction was done with the principle of the QPSK modulation and demodulation
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《现代数字与模拟通信系统》第七章练习,通过这一章的学习可以让学生对眼图,linecoding,M-ary code等A/D方式有更深的了解,代码很简单,但可以很直观理解全过程-" Modern Digital and Analog Communication Systems," Chapter VII exercises, learning through this chapter allows students to eye diagram, linecoding, M-ar
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以51单片机为基础,用DS18B20进行温度采集并进行数码管显示(并口),程序分块便于理解。-Based on 51 single chip microcomputer, using DS18B20 temperature acquisition and digital tube display (parallel), program block for easy understanding.
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本书由灵活的图解和生动的故事组成。沿着作者的这种介绍思路,通过本书的学习你将会发现你已经获得了一个理解今天的PC、数字多媒体和因特网的真实背景。无论你的技术水平怎样,本书都将会使你陶醉,并且很可能唤醒读者参与计算机事业。-The book consists of a flexible graphical and vivid tales. On this presentation along ideas, through study of this book you will find that
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FPGA之TLC5620:将所给程序下载到实验箱,观察现象并结合现象理解程序的含义,使其实现单通道的DA转换:在按下通道的按键之后,用数码管显示输入的数字量,停止按键,数码管计数停止,继续按键则继续计数,按下复位键,则系统清零,数码管显示零值。此程序基于Quartus的编程环境,采用Veilog语言编写。-FPGA tlc5620: to the program downloaded to the box observed phenomenon and combined with the phe
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This presentation discusses BCH codes which are a certain type of error correction codes that is extensively used in Digital Communications. The understanding of BCH codes and its generation requires a good background in abstract algebra and polynomi
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硕士论文
1,数字图像处理的应用现状
2,数字图像理论理解和分析
3,光度学和色度学原理
4,表色学系统的研究和分析
5,颜色模型的研究与分析
6,番茄数学模型的建立-Master s thesis
1, the present situation of the application of digital image processing
2, the theory of digital image understanding and analysis
3,
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对常见的信号类型,如正弦、ASK、FSK等信号的频谱进行仿真验证,适合数字信号处理专业学生练习理解-For common signal types, such as sine, ASK, FSK and other signal spectrum simulation and verification, suitable for digital signal processing professional students to practice understanding
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通过实现数字签名算法(DSA),加深对数字签名算法的理解,同时学习Hash算法的实现。
1)利用C\C++语言实现DSA算法。
2)DSA中的Hash函数采用SHA算法。
-By implementing the Digital Signature Algorithm (DSA), a better understanding of the digital signature algorithm, while learning to achieve Hash algorithm. 1
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通过设计数字滤波器,实现对语音信号的检测去除噪声,加深对数字滤波器设计理解(Through the design of digital filters, to achieve the detection of voice signals to remove noise, deepen the understanding of digital filter design)
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对于初学者,此程序实现数码管的显示,理解后,可以加深对数码管和c语言的学习。(For beginners, this procedure to achieve the digital tube display, understanding, you can deepen the digital control and C language learning.)
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Hash函数是提供数据完整性保障的一个重要工具。本次实验,我们希望通过上机操作,使 同学们对安全Hash算法SHA-1的基本原理有一个全面的理解。通过本次实验,使学生掌握对 Hash函数的应用,为后面数字签名方案的学习打下基础。(The Hash function is an important tool for providing data integrity protection. In this experiment, we hope to have a comprehensive und
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1、了解IIR数字滤波器的原理;
2、掌握IIR模拟滤波器的设计原理;
3、掌握IIR数字滤波器设计方法;
3、掌握应用滤波器进行滤波。
带声音文件(1. Understanding the principle of IIR digital filter;
2. Master the design principle of IIR analog filter.
3. Master the design method of IIR digital filter.
3. Master the app
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