signal-analysis

已知任意两点的经度和纬度求两点间的直线距离以及求两个圆交点坐标(Any two points of known latitude and longitude find straight-line distance between two points)

分析了BFSK的性能及原理，并利用matlab仿真实现其误码率等信息。写成word文档，后面附有源程序。(BFSK performance analysis and principle, and use matlab simulation to achieve its bit error rate information. Word document written in the back with a source.)

To investigate the effects of the discrete Fourier transform parameters on the frequency spectra of discrete-time signals. (Display x(n) on the screen with the plot command in Matlab)

IV曲线中效率计算方法IV曲线中效率计算方法IV曲线中效率计算方法(IV curve in the efficiency calculationIV curve in the efficiency calculationIV curve in the efficiency calculationIV curve in the efficiency calculation)

监视程序，能监视系统有没有打开扫雷程序，如果打开就关闭，其窗口自动隐藏，按ALT+F10调出窗口，(Monitoring program, can monitor the system has no open mine program, if the opening is closed, its windows auto-hide, press ALT+ F10 transferred out of the window,)

learn matlab quickly

对均匀线性阵列方向图进行仿真，为大家研究mimo雷达或者相控阵雷达方向图提供思路(Simulate the uniform linear array pattern to provide ideas for studying the mimo radar or phased array radar pattern)

说明：  无监督学习，基于密度的聚类算法，实现分类(Unsupervised learning, density based clustering algorithm to achieve classification)

malab教程其中包含大量的malab编程例子，供初学者参考(malab tutorial contains one of many malab programming examples for beginners reference)

光传输链路的分步傅立叶算法仿真核心代码，可以绘制曲线观察演化过程(Optical link simulation step Fourier algorithm for the core code, you can draw the curve evolution process of observation)