sanfenzhierzaosheng

微波测距，增加对微波测距远离的理解，属于微波测距中的脉冲测距。(Pulse ranging is a kind of microwave ranging, and the simulation of pulse ranging can increase the understanding of the principle of ranging.)

npg algorithm npg algorithm npg algorithm (npg algorithm npg algorithm npg algorithm npg algorithm )

说明：  该程序功能实现重力勘探中的多球体平面异常计算，并相应的进行其他操作(The program functions to achieve more in the sphere of gravity exploration exception plane calculations and other operations corresponding to)

编写的粒子群(PSO)算法优化Kmeans聚类的MATLAB代码，MATLAB6.5/7.1测试通过，其它版本没测试。((PSO)Kmeans MATLAB6.5/7.1)

这是一个程序这是一个程序这是一个程序这是一个程序(This is a program which is a program which is a program which is a program)

This function calculates the curvature of a 2D line. Reference￡oS. Hermann and R. Klette. Multigrid analysis of curvature estimators. Proc. Image Vision Computing New Zealand, 108¨C112, 2003. by Jianfei Pang k = CurvatureEstimation(list,b,f) inputs, list : A M x 2 list of line points. fn: The number of forward points that were chosen to calcute. bn: The number of backward points that were chosen to calcute. outputs, Ei : M x 1 Curvature values thetai:M x 1 angle values Example [Ei,ti]=CurvatureEstimation(test,4,4)

Image histogram equalization

频带方差端点检测的matlab源程序，可以看看，觉得还可以。(Band variance of endpoint detection matlab source code, you can see that also.)

　人工合成地震正演模型是进行三维模型计算的基础。针对地震勘探的原理,本文运用 MATLAB 强大数学计算和图像可视化功能,对一个三层介质模型制作了人工合成地震记录。(Synthetic seismic forward model is the basis of three-dimensional model. The principle of seismic exploration, this paper, a powerful MATLAB math and graphics visualization, for a three-media model making a synthetic seismic record.)

利用参数辨识法提取相关对准参数，从而估计出陀螺漂移和数学平台偏角并进行补偿。仿真结果表明，开路罗经法对准具有较高的对准精度、较好的快速性，能够满足捷联惯导系统在静基座下实现自对准的要求。(Expressions of mathematical platform misalignment angles of the open-loop algorithm are derived and parameter identification method is used to pick-up the corresponding coefficients from angle measurements in order to identify and compensate gyro drifts and platform misalignment．The simulation results show that the open circuit gyrocompass alignment of SINS can all meet the requirement of SINS initial alignment with high accuracy and quick reaction on static base. thus can meet the high-precision alignment requirement of carrier based inertial navigation system on swinging base． )