scale_free

绘出DSB解调器的输出并给出功率为其0.001，0.01，0.05，0.1和0.3倍的白高斯噪声存在的情况下解调器的输出(Mapped DSB demodulator output and gives power to its 0.001,0.01,0.05,0.1 and 0.3 times the white Gaussian noise exist demodulator output)

一个非常好的定位算法，适用于源定位，包括文章和算法(Alleviating sensor position error in source localization)

说明：  对经验模态分解后的各分量IMF进行重构代码，函数可直接调用。(After the empirical mode decomposition, IMF reconstructs the code, and the function can be called directly.)

说明：  通过求矩阵特征多项式的根来求其特征值 幂法求矩阵的主特征值及主特征向量 瑞利商加速幂法求对称矩阵的主特征值及主特征向量 收缩法求矩阵全部特征值 收缩法求矩阵全部特征值 位移逆幂法求矩阵离某个常数最近的特征值及其对应的特征向量 QR基本算法求矩阵全部特征值 (Characteristic polynomial by the root of a matrix to find the eigenvalues ​ ​ of a matrix power method and the main characteristics of the main features of the value of acceleration power vector Rayleigh quotient method Symmetric Matrix Eigenvalue and the main characteristics of the main vector of contraction method to shrink the value of all the characteristics of a matrix Law of the value of all the characteristics of a matrix inverse power law shift away from a constant of a matrix eigenvalue recently and its corresponding eigenvector matrix QR algorithm for getting all the characteristics of the basic values)

an introduction to butterworht filter

上课时做的matlab图像处理实验，包括卷积，拉普拉斯变换，罗伯特算子，种子算法，等等(Matlab class to do the image processing experiments, including convolution, Laplace transform, Robert operator, seed algorithm, and so on)

MIMO-OFDM-OFM 无线通信 （英文版）书内程序(MIMO- OFDM- OFM wireless communication (English) within the program)

用高斯赛德尔迭代法解椭圆型方程，这是一种差分解法(High Sisaideer iterative method for solving elliptic equations, which is a differential solution)

非线性动力学、分岔 Matlab 程序实现，弹簧质量系统在简谐激励作用下的受迫振动，弹簧的恢复力F与变形x的关系为F=kx3，动力学方程为...30cosmxcxkxFwt++= 其中，给定参数，1m=，0.3c=，1.0k=，1w=，初始条件为(0)3.0x=，.(0)4.0x=设系统的动态参数为F0，绘出系统状态变量随参数变化分岔图，绘图参数对应的系统各周期及混沌状态的时间历程图、相轨迹图、Poincare映射图(Nonlinear dynamics, bifurcation Matlab program, the forced vibration spring-mass system under harmonic excitation, spring restoring force F and deformation x relationship the F = kx3, kinetic equation for ... 30cosmxcxkxFwt++ = wherein the given parameters, 1m = 0.3C = 1.0k = 1W =, initial condition (0) 3.0x = (0) 4.0x = set of the dynamic parameters of the system for the F0, plotted system status system cycle and chaotic state variables with parameter changes bifurcation diagram, drawing parameters corresponding time course of the phase trajectories, Poincare map)

在matlab中构成不同频率的调制信号，这些函数都是以fm开头，产生常数、双曲线、线性、抛物线等频率调制信号．(in Matlab, constitute a different frequency modulation signal, these functions are beginning to fm, have a constant, hyperbolic, linear, parabolic and other frequency-modulated signal.)