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text book for wireless sensor networks

针对基于随机波束成形的多用户MIMO下行系统提出了三种调度算法:后端比例公平门限调度算法，后端最大值调度算法和后端比例公平最大值调度算法。通过仿真表明，这三种算法相比其他调度算法，在基本保持系统性能的前提下，能够降低反馈率，且有各自的特点和适用性:后端比例公平门限调度算法随着小区内用户数目的增多，反馈率越小，适合用户数较多的情况；后端最大值调度算法和后端比例公平最大值算法在用户数目较多的情况下，系统性能基本保持不变，且随着子信道数目增加，反馈率越小，适合天线数和用户数都较多的情况。-Based on random beamforming for multi-user MIMO downlink system proposed three kinds of scheduling algorithms: back-end proportional fairness scheduling algorithm threshold, the maximum back-end and back-end proportional fairness scheduling algorithm for the maximum scheduling algorithms. The simulation showed that the three kinds of algorithms compared with other scheduling algorithms, the basic premise of maintaining system performance, can reduce the feedback rate, and have their own characteristics and applicability: the back-end proportional fairness scheduling algorithm with the threshold number of users within a cell increases, the smaller the response rate for the number of users are more situation back-end and back-end ratio of the maxi

批量修改文件名,可设置命名规则，批量替换文件夹下所有指定类型的文件名。-Batch Edit the file name, can set up naming rules, batch replace all designated folder type of file name.

用vc实现内存分配的模拟，很简单的程序，快看看吧-Achieved with the vc memory allocation of the simulation, a very simple procedure, quick let" s see it

这是一个位图中的"Alphablend"应用示例。alphablend 是在图片添加不透明度的 API （应用编程接口）。

最好的232通信源码，非常详细，通过RS232BD与计算机串口通信程序,电缆最好采用原装的-Mitsubishi FX PLC RS232BD computer through serial communication procedures, Cable preferred the original 。

我自己做的“等面积切方位投影”小程序，用MFC实现等面积切方位投影-I do "all round projection area of" small procedures, such as using MFC area cut Projection

WINCE下的按钮类，本网站有一样的代码，我修改过可以在模拟器和ARMV4i平台正常编译。-WINCE下的按钮类，可以很方便的实现各种各样的按钮。不可错过！

通讯录。非常方便实用。操作极其简单，使用极其方便。数据库可以备分，可以移植。再也不用为丢手机资料而发愁啦。-directories. Very convenient and practical. Operation is extremely simple, extremely easy to use. Preparation of the database, can be transferred. There is no need to throw phone information distress it.