用于预测未知的数目 logisticmalthus

jsP过滤器模型，十分适合新手学习，建议下载，内容详细(JsP filter model, very suitable for beginners to learn, it is recommended to download, detailed content)

Gim轮胎模型，可以运行，运行效果很好，有需要的同志自己下载(Gim tire model, can run, the operation is very good, there is a need for comrades to download their own)

说明：  qpsk信号插入导频，使用升余弦滤波器，利用导频估计信道，在simulink中仿真(inset pilot in QPSK signal, use square root raised cosine filters in simulink)

画出13位巴克码的时域波形及其自相关函数(waveform and autocorrelation of 13 bit barker code)

一些GIS计算公共方法 判断两个矩形是否相交 判断两个线段是否相交 判断点是否在面内 判断线与面是否相交 判断线与矩形是否相交 判断点是否在线上 计算线段的地理方位角(GIS calculation method to determine some of the public to judge two rectangles are intersected to determine the intersection point of two line segments are in the plane to determine whether the line intersects with the surface to determine whether the line intersects with the rectangle is calculated to determine the point whether the line segment on the geographical azimuth)

说明：  图像间距离测量可以轻松实现，还有大量源码可共分享(Measuring the distance between images can be easily achieved, there are a large number of source code can be a total share)

对像素点较少的原始图像进行二维插值，以提高图像的平滑度。()

该程序仿真CDMA接收机的功能，包括解扩，解交织，信道编码(卷积码)，解码，信源编码(CRC)解码5个功能模块，生成用于数字基带传输的信号序列。 仿真CDMA发射机的功能，包括随机序列的产生，信源编码尾比特添加, 信道编码(卷积编码)，分组交织和扩频调制6个功能模块，生成用于数字基带，传输的信号序列，输出还包括用于解调所需要的信源编码尾比特值add_bits，交织器的尾比特值i_add_bits(CDMA receiver functions, including despreading, Xie intertwined, channel coding (convolutional codes), decoded, the source code (CRC) decoder five functional modules, production figures for the base band signal transmission sequence. Simulation CDMA transmitter functions, including random sequence generation, the source coding bit late add, Channel Coding (coding), a spread-spectrum modulation intertwined and six functional modules, production figures for the base-band, The transmission signal sequence, and the output is also included for the modems needed source coding bit value add_bits tail, interleaver value of the last bit i_add_bits)

ArcGIS Engine基础开发资料，有兴趣的可以参考参考(ArcGIS Engine-based development information, interested can refer to reference)

C#+AE编程，主要是实现几何对象和空间坐标系的基本操作，适合初学者！(C#+ AE programming, mainly to achieve geometric objects and spatial coordinates of the basic operation, suitable for beginners!)