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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.)

说明：  该程序计算二维曲线的多重分形维数，可通过变化q的值求不同分维值(The program calculates the multifractal dimension of two-dimensional curve, and can get different fractal dimension values by changing the value of Q.)

运用matlab读取雷达数据，进行处理，(Reading radar data for processing)

介绍了三点垂直线阵被动定位的原理. 结合矢量水听器测得的方位角和高低角及到达 阵元间的时延差, 建立了三维坐标下的状态方程和观测方程.运用扩展卡尔曼滤波算法, 研究了该系统的目标运动分析问题. 通过蒙特卡洛模拟仿真试验, 结果表明上述方法具有较高的定位性能,有较强的使用价值. (Introduced three vertical linear array passive location principle of vector hydrophone. Combining the measured azimuth angle and pitch angle and arrival time delay difference between array elements, establish the three-dimensional coordinates of the state equation and observation equation. Using the extended Calman filter algorithm, on the target motion analysis by Monte Carlo simulation. Test, results show that the method has high positioning performance, has the strong use value.)

本人收集的关于GPS经纬度到直线距离结算公式，求GPS两点夹角以及轴向角的数学理论及示意图。(I collect GPS latitude and longitude to the straight-line distance on the settlement formula, find the angle between the GPS points and the axial angle and schematic diagram of the mathematical theory.)

说明：  无源被动雷达定位中的利用椭圆法求交点，得到目标位置(Passive Radar Detection using Range-Doppler Transformations find ell intersect)

接受分集中采用选择式合并的函数，输出误码率和信噪比曲线(Acceptance of centralized using selective merge function, the output is bit error rate and SNR curve)

说明：  多频移键控，水声通信代码，实现水下通信。。(Multi-frequency shift keying, underwater acoustic communication code, underwater communication)

此程序用于OFDM与FBMC的对比，详细描述了UFMC系统的发送和接收的仿真实现过程，并对比相同系统参数下的OFDM系统，发现FBMC系统的优势。(This program is used for OFDM and FBMC contrast, describing the detail of UFMC transmitter and receiver simulation process, and comparing the the OFDM system under the same system parameters to verify the advantages of FBMC system.)

说明：  BCH码，汉明码，极化码，卷积码，循环码(BCH code, Hamming code, polarization code, convolutional code, cyclic code)