firsubband_g

说明：  适合于数学建模的系统教程,介绍了系统模型及转换,系统时间响应和动态仿真等,并配合程序设计(Suitable for mathematical modeling of systems curricula, introduce the system model and conversion, system time response and dynamic simulation and so on, and in line with the program design)

用于分析输入信号的瞬时频率的程序，可通过调用改程序观察信号频率随时间的分布情况(used to analysis the instans frequency of the signal)

说明：  线弹性断裂相场法，1.0.1版本，后续更新！！(elastic fracture phase field elastic fracture phase field)

求对称矩阵全部特征值的Jacobi方法(Symmetric matrix for all the eigenvalues of Jacobi method)

Lognormal distribution function.

利用kraken计算的声场信息，在matlab中仿真得到声传播损失(Calculated by kraken sound field sound transmission loss simulation in matlab)

hmm MATLAB工具箱，里面有自己写的一个DEMO可直接运行，方便大家理解，相互帮助啊(hmm MATLAB toolbox, which has to write a DEMO can be run directly, to facilitate understanding, mutual help ah)

随机信号在路面不平度仿真应用 （有论文）有代码有图什么都偶看的在20000是运行正常 非常详细，我帮一个人专门写的(Random the process uneven pavement research (thesis) code, figure what even very detailedI can help one person specifically written)

艾肯特插值，高斯插值和牛顿插值法的matlab代码。上述三种方法均用于数值插值。(Ai Kente interpolation, the matlab code of the the Gaussian interpolation and the Newton interpolation law. The the above-mentioned three methods are used for the numerical interpolation.)

基于原始粒子群算法和原始模拟退火算法的结合。具有收敛性好，计算速度快的优势(Combined with the original particle swarm algorithm based on simulated annealing algorithm and the original. Has a good convergence, high calculation speed advantage)