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说明：  对比了基础dv-hop算法，和改进的2d-hyperbolic 方法，引进了权重因子，在很大程度上改进了定位精确度。(Compared with the basic DV hop algorithm and the improved 2D hyperbolic algorithm, the weight factor is introduced to improve the positioning accuracy to a large extent.)

vc++ 开发 GIS 与 GPS ，提供在线首发GPS定位信息，显示坐标点，轨迹回放，GIS地图放大、缩小、选种等等操作。 测试过可以编译。(vc++ development of GIS and GPS, GPS location information to provide online starting to show coordinates, trajectory playback, GIS map zooming, selection, etc. operation. Tested can be compiled.)

说明：  PQ分解法计算潮流，短路计算，三机九节点模型(PQ decomposition method for power flow calculation)

垂直分层空时码的设计代码，适合初学者借鉴学习。(Vertical layered space-time code design code, suitable for beginners to learn from.)

matlab实现串口通信，心电信号实时显示，QRS波提取(matlab serial communications, real-time display ECG, QRS wave extraction)

利用点的数据，首先读入文件，然后构建TIN三角网(Using the point of data, first read the file, and then build TIN triangulation)

说明：  实时解算单站或多基站伪卫星定位数据，并输出残差图，实现多种数据格式的读取。(Real time solution of single station or multi base station pseudo satellite positioning data, and output residual map, to achieve a variety of data format reading.)

制作二维地形,并且可以对其添加线表示，还可以做分层设色二维地形图图(Dimensional terrain)

说明：  极化码极化信道仿真，信道极化是信道合并与信道分裂两种信道操作的结果。在上述两种操作下，原本相同的N个W信道产生了极化现象，其中一部分信道的信道容量趋近于1，另一部分信道的信道容量趋近于0。(Channel polarization is the result of channel merging and channel splitting. Under the above two operations, the original n w channels have polarization phenomenon. The channel capacity of one part of the channel approaches to 1, and the channel capacity of the other part approaches to 0.)

对移动通信中的多径多普勒频移进行详细的仿真，对学习这个的朋友有极大的帮助(Of mobile communication in multi-path Doppler frequency shift to conduct a detailed simulation study of the friends of great help)