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flac3d自定义本构模型实例演示，可以帮助数值模拟爱好者学习如何自定义本构模型。(flac3d custom constitutive model examples demonstrate, numerical simulation can help enthusiasts to learn how to customize the constitutive model.)

本论文以OFDM系统为基础，介绍了OFDM系统的基本原理，以及使用OFDM技术的优势所在，并且展望了今后的无线移动技术的发展前景。在简单介绍OFDM原理的同时，着重阐述了OFDM系统在不同信道环境和不不同实现方式下的误码性能。主要包括了OFDM系统在加性白高斯信道，在加性白高斯信道和多径干扰两种不同信道环境下系统的误码性能，其中后者还研究了系统在有保护间隔与无保护间隔的误码性能比较。在理论分析的基础 (This thesis is based on the OFDM system, the basic principle of the OFDM system, as well as the advantages of using OFDM technology, and future prospects for the development of future wireless and mobile technologies. OFDM principle in brief, focusing on the BER performance of OFDM systems under different channel conditions and different implementations. Including OFDM system in additive white Gaussian channel, additive white Gaussian channel and multipath interference of two different channel environment, the system BER performance, the latter of which also studied the system in a protected interval without guard interval BER performance comparison. The basis of theoretical analysis)

做程序时，写界面的必须,有源码代，有注释。针对初、中、高级专业软件的界面。(Do program, must write interface, source code generation, with comments. In view of the early, middle and senior professional software interface.)

说明：  完全平方数代码，并且其中的两个字母相同，这是window代码(Full square code, and one of the two letters the same, this is the code window)

实现画圆,用C++的mfc功能,这个是c语言交互式绘图的必备!(Achieve Circle)

OV9650_IG (1.11)注意不是ds是ig版本的哦 (OV9650_IG (1.11) Note that not ds ig version)

windows socket API的基本应用 完整工程；服务器异步监听模式 适合初学参考。(The basic application windows socket API complete works server asynchronous listening mode suitable for beginners reference.)

说明：  一个功能强大且操作性极强的文件浏览、管理程序，只是界面丑一点。(a powerful and strong operational document browsing, management procedures, interface is ugly.)

最新的乐华驱动板源程序。很辛苦才找到啊，大家要好好利用啊(Leroy driver board the latest source. Very hard to find, ah, we have to make good use of ah)

xp上的动态桌面源代码。有点鸡肋。高手飞过吧。。(Dynamic Desktop source code on xp. Bit tasteless. Master flying it. .)