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二阶锁相环在输入信号为调频信号是的混沌特性分析(Second-order PLL FM signal in the input signal is Chaotic Characteristic Analysis)

基于matlab的电力系统配电网IEEE9节点潮流计算，希望对大家有帮助(Matlab-based power system IEEE54 node flow calculation, we hope to help)

Estimation, Control, and the Discrete Kalman Filter By:Donald E. Catlin

FDTD 的吸收边界条件讲解，详细讲解了边界条件的推导过程。(Absorbing boundary conditions for numerical simulation of waves.)

说明：  gsm通信中，成功应用了gmsk调制，该模块用simulink实现gmsk调制及其性能测试，(gsm communication, the successful application of the GMSK modulation, the module using simulink realization of GMSK modulation and its performance testing,)

一维fdtd程序，自由空间，调制高斯脉冲波源(1 dimensional fdtd program)

程序采用的是两层循环上实现位移谱的求取。内循环实现在地震波下由上一步所得到的位移、速度和加速度得到下一时间间隔后的位移速度和加速度；外循环实现在不同结构自振周期（频率）下遭遇地震波的响应。(Program uses a two-layer loop on calculate displacement spectra. Cycle based on seismic waves obtained the previous step under the displacement, velocity and acceleration are next after the interval velocity and Acceleration outer loop implementation in different natural period of structure (frequency) the response under earthquake wave.)

MATLAB中WVD变换，可将时域数据转换为时频域能量密度(WVD Transform)

矩阵的合成运算，模糊聚类分析数据标准化变换 建立模糊相似矩阵 模糊聚类分析 欢迎下载，谢谢(Matrix synthesis of computing, fuzzy clustering analysis of data standardization to establish fuzzy similar matrix transform fuzzy clustering analysis are welcome to download, thank you)

利用matlab编写的微分方程组的龙格库塔解法(Runge-Kutta solution of differential equations using Matlab prepared )