DSG4

matlab四阶龙格库塔法，，，，，，，，，，，，，，，，，，(runger kutta)

以最优的窗宽进行核密度估计，误差小，比matlab自带程序精确(To the best window width nuclear density estimation, a small error, accurate than matlab own procedures)

简单实现基本的lstm功能，可以运行，如有不足还请指正(Simple implementation of the basic LSTM function, you can run, if there is insufficient, please correct)

matlab绘图叙述了许多绘图的方法，对大家学习matlab有很大帮助。(matlab drawing method described in a number of drawings, all of us to learn matlab great help.)

通过music算法实现对信号源的测向 DOA估计(Algorithm through the music of the test signal source to the estimated DOA)

通过matlab编程对槽轮机构进行运动分析，计算出其运动参数。(Matlab programming by agencies of the grooved wheel motion analysis, calculate its motion parameters.)

程序计算仿真偏馈抛物面天线的特性如远场方向图 波束宽度 增益 极化等等(Program simulation calculation of offset parabolic antenna characteristics such as far field pattern beamwidth gain polarization etc.)

选四个或者五个参考节点（已知节点）到一个未知节点的RSSI的平均数据，构成RSSI值矩阵。(Select four or five reference node (known nodes) to an unknown node, the average RSSI data, constitute the RSSI value matrix.)

this matlab code is useful for hill climbing algorithm.

该程序实现对序列的快速傅里叶反变换和离散傅里叶的反变换(The program implements a sequence of fast Fourier transform and inverse discrete Fourier transform of the anti-)