Description: PC数字电压表的设计,原理图以及代码,设计文档.此数字电压表的优势在于可以通过串口将测量所得到的电压值传给PC机,这样的话有利用整个数据的采集与分析.上位机采取的是串口通信软件.-PC digital voltage meter design, diagram and code, Design Documentation. This figure voltage meter advantage is through the serial port will be measured by the voltage transmission PC, so is the use of the entire data collection and analysis. PC's serial port communication software. Platform: |
Size: 54927 |
Author:吴志华 |
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Description: PC数字电压表的设计,原理图以及代码,设计文档.此数字电压表的优势在于可以通过串口将测量所得到的电压值传给PC机,这样的话有利用整个数据的采集与分析.上位机采取的是串口通信软件.-PC digital voltage meter design, diagram and code, Design Documentation. This figure voltage meter advantage is through the serial port will be measured by the voltage transmission PC, so is the use of the entire data collection and analysis. PC's serial port communication software. Platform: |
Size: 54272 |
Author:吴志华 |
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Description: 一体美国原版书，好不容易才搞到的。网上没有的，是别人扫描下来的。对通信专业的人很有用-One American original book, managed to get the. Not online, is to scan down others. Of communication were very useful professional Platform: |
Size: 23563264 |
Author:王云 |
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Description: 通信经典书籍: Digital Communication Receivers Synchronization, Channel Estimation, and Signal Processing-Communication Classic Books: Digital Communication Receivers Synchronization, Channel Estimation, and Signal Processing Platform: |
Size: 45615104 |
Author:stevenchen |
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Description: DAC7512与MCU通信，进行数模转换，输出电压。-MCU communication with the DAC7512, the digital-analog conversion, the output voltage. Platform: |
Size: 1024 |
Author:xiangwei |
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Description: 软件无线电中数字上下变频器研究与实现，适合通信专业人员参考-Digital Software Radio Research and Implementation of up and down converter for communication professionals reference Platform: |
Size: 3354624 |
Author: |
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Description: 无线应用协议（Wireless Application Protocol，WA P）是WAP论坛经过不断努力得到的成果，它提供了一个业界技术规范，以便开发出适用于各种无线通信网络的应用程序和业务。
WAP规定了适用于多种无线设备的网络协议和应用程序框架，这些设备包括移动电话、寻呼机、个人数字助理（ P D A）等。这个规范不但扩充了移动组网技术（如数字数据组网标准）和I n t e r n e t技术（如X M L，U R L，脚本和各种各样的内容格式） ，而且还将推动他们的发展。
-WAP [Wireless Application Protocol, WA P] is the WAP Forum, through continuous efforts have been the result of the industry it provides a technical specification in order to develop applicable to a variety of wireless communication networks and business applications. WAP provides a wide range of wireless equipment for network protocols and applications framework, these devices including mobile phones, pagers, personal digital assistant [PDA] and so on. This specification not only to expand the mobile network technology [such as digital data networking standards] and the I nternet technology [such as XML, URL, script, and a variety of content format], but also to promote their development. Platform: |
Size: 506880 |
Author:aa |
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Description: 为了开发出适用于各种无线通信网络的应用和业务，人们通过不断的努力，制定了一个业界的技术标准和规范，这就是无线应用协议 [ WAP ]。无线应用环境（Wireless ApplicationE n v i r o n m e n t，WA E）是WAP协议的一部分，它定义了各种无线终端，诸如移动电话、寻呼机和个人数字助理（P D A）上使用的应用结构。
-Developed in order to apply to a variety of wireless communication networks and business applications, it is through continuous efforts to develop an industry technical standards and norms, that is, wireless application protocol [WAP]. Wireless Application Environment [Wireless ApplicationE nvironment, WA E] is the WAP part of the agreement, which defines a variety of wireless terminals, such as mobile phones, pagers and personal digital assistants [PDA] applications to use the structure. Platform: |
Size: 1129472 |
Author:aa |
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Description: 基于PLC的数字PID控制，我的本科毕业设计，使用串口通讯，具有上位机和下位机，还有相关的说明文档-PLC-based digital PID control, my graduate design, the use of serial communication with host computer and the next-bit machines, as well as related documentation Platform: |
Size: 1091584 |
Author:韩守东 |
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Description: MPEG-4 标准文档
access to visual objects in natural and synthetic moving pictures and associated natural or synthetic sound for
various applications such as digital storage media, internet, various forms of wired or wireless communication etc.
The use of ISO/IEC 14496 means that motion video can be manipulated as a form of computer data and can be
stored on various storage media, transmitted and received over existing and future networks and distributed on
existing and future broadcast channels.-ISO/IEC 14496-2 standard
access to visual objects in natural and synthetic moving pictures and associated natural or synthetic sound for
various applications such as digital storage media, internet, various forms of wired or wireless communication etc.
The use of ISO/IEC 14496 means that motion video can be manipulated as a form of computer data and can be
stored on various storage media, transmitted and received over existing and future networks and distributed on
existing and future broadcast channels. Platform: |
Size: 5208064 |
Author:tyler |
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Description: 多点温度采集上位机程序(原程序),这是配合这是配套本人上传的“多点温度采集系统”的上位机程序，一整套的东西，通这RS232接收下位机传来的数据，显示和画走势图，还可以控制下位机，通信协议在“Multi-point_temperature _system.rar”-Multi-point temperature of PC acquisition procedures (the original program), which is in line with this is the package I uploaded the " multi-point temperature acquisition system," the host computer process, a set of things, pass it under the RS232 receive data from digital machine, chart display and painting, but also under the control of digital machines, communication protocols in the " Multi-point_temperature _system.rar" Platform: |
Size: 1575936 |
Author:aulyp |
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Description: 国外电子与通信教材系列。电子通信系统（第四版）。Wayne Tomasi著，王曼珠 许萍 曾萍 等译，薛荣华 审校。电子工业出版社。
本书系统讲述了电子通信领域的全部内容，从常规模拟电子通信系统的基本概念到更现代的数字、光纤、微波、卫星及蜂窝和PCS电话通信系统，涉及通信原理、通信电路、电波天线、数字和数据通信、通信系统等多门课程内容。-Foreign electronic and communications materials series. Electronic communication system (fourth edition). The Wayne Tomasi, Chu Man-Ping Xu Ping had such as translation, revision薛荣华. Publishing House of Electronics Industry. System, this book describes the field of electronic communications all the contents of electronic communications from the conventional analog system to a more basic concept of the modern digital, fiber optic, microwave, satellite and cellular and PCS telephone communications systems, related to communication theory, communication circuits, radio antennas, digital and data communications, communication systems, such as the course content. Platform: |
Size: 20249600 |
Author:成逛 |
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Description: DS18B20数字温度计是DALLAS公司生产的1－Wire，即单总线器件，具有线路简单，体积小的特点。因此用它来组成一个测温系统，具有线路简单，在一根通信线，可以挂很多这样的数字温度计，十分方便。DS18B20产品的特点
-DS18B20 digital thermometer is a DALLAS produced 1-Wire, that is a single bus device, with a simple circuit, small size and characteristics. Therefore, use it to form a temperature measurement system with a simple circuit in a communication line, you can hang many of these digital thermometer is very convenient. DS18B20 characteristics of the product Platform: |
Size: 96256 |
Author:paradise |
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Description: 数字通信原理,又一本通信基础课的参考书,美国中部Big Ten大学EE的普适研究生教材-Digital communication theory, communication infrastructure is another lesson in this reference book, Mid-America Big Ten university graduate students teaching the universality EE Platform: |
Size: 3434496 |
Author:高昕 |
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Description: Optical Fiber Communications，作者：Gerd Keiser，内容涉及光纤传输原理和传输特性、半导体光源和光检测器的工作原理及工作特性、数字光纤通信系统和模拟光纤通信系统、光放大器的工作原理和性能、WDM系统原理、光网络以及光纤通信系统测量-Optical Fiber Communications, of: Gerd Keiser, covering fiber optic transmission theory and transmission characteristics, semiconductor light sources and light detectors operating principle and characteristics of digital optical fiber communication systems and analog optical fiber communication systems, optical amplifiers operating principle and performance, WDM systems theory, optical networks and optical fiber communication system measurements Platform: |
Size: 12924928 |
Author:柳絮 |
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Description: 5B6B码是光纤数字通信系统中使用比较广泛的一种线路码型! 数据经过5B6B编码和并串转换后在光纤上传输，串行码序列中连续的比特0或比特1的长度不超过5，数据在0和1之间变换的密度很高,并具有直流平衡的特性，有利于接收电路和时钟恢复电路的设计。-5B6B code is used in fiber optic digital communication systems a more extensive line pattern! Data are 5B6B encoding and conversion, and string after the fiber transmission, serial code sequences in continuous bit 0 or bit 1 of the length of not more than 5, data between 0 and 1, the high density of transformation, and has the characteristics of DC balance, favorable reception circuit and clock recovery circuit. Platform: |
Size: 3072 |
Author:王彬 |
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Description: 基于虚拟光学信息隐藏理论提出了一种三维空间数字水印算法1 该数字水印算法能成为
一种多媒体数据产权保护的有效方案1 对算法的测试结果表明,该算法对于噪音叠加、剪切、旋转、
有损压缩等常见的图像处理操作具有较高的鲁棒性1 由于引入了虚拟光学信息隐藏思想,将虚拟
光路的几何结构参数作为密钥,设计出了多重“锁”和多重“密钥”1 随机模板编码技术的引入,更进
一步提高了数字水印系统的密钥空间. 仿真实验结果表明该算法具有很好的安全性1- A new approach to digital watermarking in three2dimensional (32D) space based on virt ual2optics
and random mask encoding is presented. The watermarking algorithm can offer an effective solution to t he
issue of copyright protection of multimedia data dist ributed via t he communication channel . The result s
show t hat t he embedded watermark is robust to normal data manip ulations , such as adding noise ,
cropping , rotation , and J PEG compression. Because t he design concept and met hodology based on
geomet ric parameter s of Virt ual2Optics was adopted , t he proposed 32D watermarking system has good
security. There are large degrees of f reedom existing for designing a security lock ( s)/key ( s) , including
multiple lock ( s)/key ( s) and multi2dimensional lock ( s)/key ( s) . Numerical experiment s are performed to
validate the p roposed met hod , and sensitivities of some parameter s are quantitatively analyzed and
illust rated. The possible dimensions of keys are ro Platform: |
Size: 179200 |
Author:zhh |
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Description: 无线通讯模块NRF24L01+（四）举例应用:介绍无线数字传输模块NRF24L01+和S-232串口与PC间的通讯。-Wireless communication module NRF24L01+ (d) Application example: Introduction of wireless digital transmission module NRF24L01+ and S-232 serial communication between PC. Platform: |
Size: 1572864 |
Author:李木子 |
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