该库能够实现使用一个音频芯片把导航声音和多媒体(音乐，电影，数字电视，在线流媒体，USB外接音源，软解蓝牙等经过CPU处理的声音)声音区分开。用户在听多媒体的时候，如果导航有提示音，优先导航提示，该库提供一个接口提示导航声音开始和结束。
该库已测试适用范围如下：
操作系统：WINCE
硬件平台：Freescale、CSR、Sirf、Telchips
地图：凯立德(autonavi)，高德(inavi)，易图通(EMG)、道道通、城际通、美行、四维图新、灵图天行者、旅行者、施可施ZNavi、思图、东纳、车友导航、百路buloo、点点通、欣嘉航
Garmin、iGO、TomTom、navitel、Navigon、R66、Mio、PAPAGO
音频库DEMO版本提供了大约1小时的导航监听功能。
因不同产品使用的音频芯片不同，如果发现音频库不能正常DEMO，请Email联系。Email：2378308690@qq.com
The library can be implemented using an audio chip navigation voice and multimedia (music, movies, digital TV, online streaming, USB external audio source, soft solutions Bluetooth CPU processing sound) sound separate. When listening to multimedia, if the navigation tone priority navigation prompts, the library provides an interface prompt navigation sound start and end. The library has been testing the scope of application are as follows: operating system: WINCE hardware platform: the Freescale, the CSR, Sirf, Telchips map: Kay Rucker (autonavi), high-Tak (inavi), easy diagram through (EMG), round after round, Inter-City Link, beauty line the NavInfo Lingtu Skywalker, travelers, measures can be applied ZNavi Best Figure, Donne, bikers navigation hundred Road buloo, little pass the The Waterfront Airlines Garmin, iGO, TomTom, navitel, Navigon, R66, Mio , PAPAGO the audio libraries DEMO version provides about 1 hour navigation listener function. If you find different products use differ (2013-01-03, Windows_Unix, 374KB, 下载23次)
遥操作过程中存在的时间延迟是恶化系统性能，影响系统稳定的根本原因.本文针对通
信环节存在较大时延的多自由度非线性时变遥操作机器人系统，提出了一种改进的非线性双向自
适应力准置混合控制算法:主端自适应控制器通过跟踪从端环境的作用力来提高系统的透明度
从端自适应拉制器在跟踪主手速度和位移的同时，通过本地力反馈的柔顺控制能力保证系统在任
意时延下都处于稳定状态.该算法对操作机器人系统中存在的时延小范围变化、模型参数不确定
及从端环境未知等情况都有较好的普棒性.文章中的稳定性证明及对比性仿真研究验证T算法的
有效性
Teleoperation process time delay system is stable and the root cause of the deterioration of system performance, the impact telerobot system. Changed the MDOF when this paper, there is a big delay to the communication link, proposed an improved non- linear quasi-two-way adaptive force set mixed control algorithms to: primary end adaptive controller by tracking the force from the end of the environment to improve the transparency of the system adaptive drawn in tracking the velocity and displacement of the main hand from the end, by local force feedback supple control capabilities to ensure the system is in a stable state in any delay of the algorithm changes, small-scale operation robot system in the presence of delay and uncertainty of the model parameters and have a better end unknown environment Pu rods. proof of the stability of the article and the comparative simulation study to verify the effectiveness of the algorithm T (2012-10-25, Windows_Unix, 467KB, 下载7次)
本模块的功能是验证实现和PC机进行基本的串口通信的功能。需要在PC机上安装一个串口调试工具来验证程序的功能。
程序实现了一个收发一帧10个bit（即无奇偶校验位）的串口控制器，10个bit是1位起始位，8个数据位，1个结束位。
串口的波特律由程序中定义的div_par参数决定，更改该参数可以实现相应的波特率。程序当前设定的div_par 的值
是0x145，对应的波特率是9600。用一个8倍波特率的时钟将发送或接受每一位bit的周期时间划分为8个时隙以使通
信同步.
The function of this module is to verify the basic serial communication and PC. Need to be installed on a PC with a serial debugging tools to verify the functionality of the program.
The program implements a send and receive a 10-bit (ie, no parity bit) serial controller, 10 bit is a start bit, 8 data bits, 1 stop bit.
The serial port s baud law determined by the procedures defined in div_par parameters, change the parameters to achieve the appropriate baud rate. The value of the procedures set div_par
0x145, corresponding to the baud rate is 9600. An eight times the baud rate clock to send or receive every bit of the cycle time is divided into eight time slots so that through
Letter synchronization. (2012-03-05, Windows_Unix, 55KB, 下载2次)
根据软件无线电的思想，提出了一种新颖的数字信号处理算法，对QPSK信号的相位进行数字化处理，从而实现对QPSK信号的解调.该算法允许收发两端载波存在频差，用数字锁相实现收发端载波的同步，在频偏较大的情况下，估算频偏的大小，自适应设置环路的带宽，实现较短的捕获时间和较好的信噪性能。整个设计基于XILINX公司的ISE开发平台，并用Virtex-II系列FPGA实现。用FPGA实现调制解调器具有体积小、功耗低、集成度高、可软件升级、扰干扰能力强的特点，符合未来通信技术发展的方向。
According to the idea of software radio, a novel digital signal processing algorithm, the phase of QPSK digital signal processing, enabling the demodulation of QPSK signals. This algorithm allows the sending and receiving ends of the carrier frequency difference exists, using digital phase-locked to achieve synchronization of sending and receiving end of the carrier, in the case of large frequency offset, frequency offset estimation of the size, adaptive set the loop bandwidth to achieve shorter acquisition time and better noise performance. The whole design is based on the company XILINX ISE development platform, and Virtex-II series with the FPGA. FPGA realization of a modem with a small size, low power consumption, high integration, software upgrades available, the characteristics of strong interference interference, in line with the future direction of ICT development. (2010-12-06, Windows_Unix, 63KB, 下载42次)
《数字通信（第四版）》答案
《数字通信》(第4版)是数字通信领域的一本经典教材,通过对概率论及随机过程的复习,详细介绍了数字和模拟信源编码、数字调制信号和窄带信号与系统的特征、加性高斯白噪声中数字通信的调制和最佳调制与检测方法、基于最大似然准则的载波相位估计和定时同步的方法、不同信道模型的信道容量及随机编码、带限信道的信号设计、受到符号间干扰恶化信号的解调与检测问题、自适应信道均衡、多信道与多载波调制、扩展频谱信号和系统、衰落信道上的数字通信。
The solution of "Digital communication"
" Digital communication" (4th edition) is a digital communications of a classic textbook in the field, through the review process, the probability of randomly addressed, details of the digital and analog source coding, digital modulation signal and the narrowband signal and system characteristics, additive white Gaussian noise in digital communication modulation and the best modulation and detection methods, based on maximum likelihood criterion of carrier phase estimation and time synchronization method, different channel model of channel capacity and random coding, band-limited channel signal design by ISI worse signal demodulation and detection, adaptive channel equalization, multi-channel and multi-carrier modulation, spread spectrum signals and systems, fading channel digital communications. (2010-10-06, Windows_Unix, 1437KB, 下载73次)
Internet提供了全球范围的网络互连与通信功能，Web技术的发展更是一日千里，其丰富的信息资源给人们的学习生活带来了极大的便利。特别是HTML（超文本标识语言）的应运而生，以其简单易学，灵活通用的特性，使人们发布、检索、交流信息都变得如此简单，因此，Web成了最大的环球信息资源库。然而，电子商务，电子出版，远程教育等基于Web的新兴领域的全面兴起使得传统的Web资源更加复杂化，多样化，数据量的日趋庞大对网络的传输能力也提出更高的要求。同时，人们对Web服务功能的需求也达到更高的标准，比如需要对Web进行智能化的语义搜索；公司企业要为服务客户创建和分发大量有价值的文档信息，以降低生产成本；需要对数据按照不同的需求进行多样化显示，实现信息推送、个性化服务等智能化服务；需要对不同平台、不同格式的数据源进行数据集成和数据转化等等，这些需求愈加广泛并且迫切。
Internet to provide a global network interconnection and communication functions, Web technology to develop more rapidly, and rich information resources for the people's study of the lives of great convenience. In particular HTML (hyper text markup language) came into being, with easy, flexible common characteristics, Published people, retrieval, exchange of information has become so simple, so that the Web has become the largest global information resources. However, e-commerce, electronic publishing, Distance education and other Web-based emerging fields in which traditional rise of Web resources become more complex. diversification, increasing the amount of data on a huge network of transmission capacity to meet higher demand. Meanwhile, people on the Web services demand higher stan (2006-12-13, Windows_Unix, 113KB, 下载38次)