Speech Enhancement Techniques for Digital Hearing Aids

数字图像的matlab实现第三版 Digital Image Processing Using MATLAB 3rd edtion 冈萨雷斯，这个版本配套冈萨雷斯的数字图像处理第四版教材，新增了不少算法，包括图像配准，图像分割，深度学习，卷积神经网络等

介绍数字锁相环的基本结构,详细分析基于FPGA的数字锁相环的鉴相器、环路滤波器、压控振荡器各部分的实现方法,并给出整个数字锁相环的实现原理图。仿真结果表明,分析合理,设计正确。

单相锁相环simulink仿真，用于并网逆变等，大部分不是自带模型，根据相关资料和离散方程搭建，比较实用。基于matlab2014b

his ninth edition of Digital Electronics: A Practical Approach with VHDLprovides the fundamentals of digital circuitry to students in engineering and technology curric- ula. The digital circuits are introduced using fixed-function 7400 ICs and evolve into FPGA (Field Programmable Gate Arrays) programmed with VHDL (VHSIC Hardware Description Language). (Note:Those schools not wishing to develop logic using VHDL and FPGAs can completely skip those sections of the textbook without affect- ing the continuity of the remainder of the text, which describes logic design and imple- mentationusing 7400-series ICs.) Coverage begins with the basic logic gates used to perform arithmetic operations and proceeds through sequential logic and memory circuits used to interface to mod- ern PCs. Professor Kleitz uses his vast experience of teaching electronics online and in class from his best-selling textbooks to know what it takes for an entry-level student to be brought up to speed in this emerging field. It was important to design this new text- book to present practical examples, be easy to read, and provide all of the information necessary for motivated students to teach themselves this new subject matter. This makes it ideal for learning in an online environment as well as from conventional in- class lectures. Digital electronic ICs (integrated circuits) and FPGAs are the “brains” behind common microprocessor-based systems such as those found in automobiles, personal computers, and automated factory control systems. The most exciting recent develop- ment in this field is that students now have the choice to design, simulate, and imple- ment their circuits using a programming language called VHDL instead of wiring individual gates and devices to achieve the required function. Each topic area in this text consistently follows a very specific sequence of steps, making the transition from problem definition, to practical example, to logic IC imple- mentation, to VHDL and FPGA implementation. To accomplish this, the text first in- troduces the theory of operation of the digital logic and then implements the design in integrated circuit form (see Figure P–1). Once the fixed-function IC logic is thoroughly explained, the next step is to implement the design as a graphic design file and then to implement it using the VHDL hardware descriptive language, all within the free version of the Altera Quartus®II development software. Several examples are used to bolster the student’s understanding of the subject before moving on to system-level design and troubleshooting applications of the logic. This step-by-step method has proven over the years to be the most effective method to build the fundamental understanding of digital electronics before proceeding to implement the logic design in VHDL. The Altera Quartus®II software is a free download that allows students to either graphically design their circuit by drawing the logic (using logic gates or 7400 macro- functions) or use VHDL to define their logic. The design can then be simulated on a PC before using the same software to download the logic to an FPGA on one of the commercially available FPGA programmer boards, such as the Altera DE2 illustrated in this text.

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非常难得的资源，网上很难下得到了，在此分享给大家，希望对大家学习通信原理有帮助。非常专业的指导书，感觉比Prokis的那本写的要好！

HYRes IV(发音[haires aivi:])是一款软件工具，设计用于使用符合ISO 12233的分辨率图表精确测量数码相机的分辨率。 HYRes软件支持ISO 12233和CIPA标准DC-003“数码相机分辨率测量方法”(见http://www.cipa.jp/std/std-sec_e.html)中描述的测量方法。两个版本的HYRes 3.1(2004)和HYRes ACE(2006)已经由CIPA发布。 HYRes IV是HYRes 3.1和HYRes ACE这两个软件功能的集成，已经更新到最新的操作系统。IV是综合版本的缩写。

matlab合并代码窗口 Visual-watermarking-system-based-on-digital-image 数字图像可视化水印系统的设计与实现 (LSB算法、DCT算法、随机间隔算法、区域校验位算法、图像降级算法、图像降级算法改进等6种数字水印算法的实现) 程序介绍 这是源自我的本科毕业设计的程序，使用Python实现了一个数字图形可视化水印系统。 因为在毕设过程中，发现目前全网涉及到数字水印算法99%都是用matlab实现的，几乎没有合适的Python实现代码，于是只能参照matlab代码和算法原理，自己实现Python代码，在实现过程中也遇到了不少问题。所以我将实现成功的代码分享出来，有需要的人可以少走一些弯路，少费工夫 并且截取部分毕业论文，上面有较为详细的操作演示 论文获得2020本科优秀毕业论文 功能 LSB基本算法 随机间隔算法 区域校验位算法 图像降级算法 图像降级算法改进 DCT算法 运行方式 直接运行即可 main.py是源代码 main.exe是用pyinstaller导出的exe可执行程序(因较大没有上传) GUI使用的Tkinter，因为涉及多

数值滤波，包括所有通用的滤波系数，可以自由选择；用于正/余弦变换，汉克尔变换，包括了丰富测试实例与结果，完全的fortran与C语言实现；并有gnuplot画图脚本