matlab-function-Daquan

经验模态分解的扩展运用，其可将各个imf的图形直接绘出，有较强的分析功能。(Empirical Mode Decomposition to expand the use of its various IMF can be directly mapped graphics, has strong analysis capability.)

电磁波时域有限差分法，对于使用matlab应用fdtd方法模拟一些简单物理问题讲解很详细(Electromagnetic finite difference time domain method for simulation using matlab application fdtd explain some simple physics problem in great detail)

用于DVB的OFDM源代码.包含代码DVB_T2Ksignalgeneration.m OFDMReception.m OFDMTransmission.m等(for DVB OFDM source code. Includes code DVB_T2Ksignalgener ation.m OFDMReception.m OFDMTransmission.m etc.)

非线性加速度法计算单自由度体系地震时程反应,刚度矩阵，地震反应(Linear acceleration method to calculate the single degree of freedom system earthquake history response, stiffness matrix, seismic response)

描述系统（有输入和无输入），通过系统状态矩阵判断系统稳定性，可控性，可观性(Describe the system (with input and no input), the system state matrix to determine the system stability, controllability, observability)

matlab 中使用srm实现图像分割的源代码， 包里包括srm.demo和实验图像还有源代码(srm used matlab image segmentation source code package includes srm.demo and experimental images as well as the source code)

toeplitz方程的求解算法，反卷积中所使用。x*h=y, 已经h,y,求x。(Equation toeplitz algorithm used in the deconvolution. x* h = y, has h, y, need to solve x)

说明：  图像的置乱加密和解密算法，需要输入加密密钥进行加密，然后只能输入相同的解密密钥才能得到原图像(Image scrambling encryption and decryption algorithms, need to enter the encryption key to encrypt, then enter the same decryption key only to get the original image)

先进PID控制matlab仿真源代码，典型实例具体分析说明，通俗易懂。（第四章）(Advanced PID control matlab simulation source code, more typical examples of specific instructions, clear and easy to understand.（Chapter 4）)

快速弦截法进行工程整定，反复迭代直到满足工程要求(Secant method works fast tuning iteratively until meet the engineering requirements)