analysiszhuchengfen

TH-UWB信号的产生，有随即信号发生器，脉冲位置调制等部分组成。(TH-UWB signals generated, then signal generator, pulse position modulation, and other components.)

说明：  使用matlab进行图片加噪，DCT变换，平滑滤波等处理(Add noise to images using matlab, DCT transform, filtering and other processing )

二维情况下用ＦＤＴＤ方法模拟电磁波的传播情况，加入了理想匹配层，用Ｃ和MATLAB混合编程，信号源是高斯脉冲(Two-dimensional case with the FDTD simulation of electromagnetic wave propagation, no additional absorbing boundary condition, mixed with the C and MATLAB programming, the signal source is a Gaussian pulse)

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一片介绍双估计的很好的文章。同时估计动态系统的状态和模型参数，使用扩展kalman filter和ukf方法，很有参考价值(Introduce a dual-estimated good article. At the same time, the estimated dynamic system state and model parameters, the use of extended kalman filter and UKF methods, useful reference)

对鱼眼图像进行矫正，matlab程序供大家参考(Fish-eye image correction, matlab program for your reference)

中文名称：主成分分析 英文名称：principal component analysis 定义：一种统计方法，它对多变量表示数据点集合寻找尽可能少的正交矢量表征数据信息特征。 (Chinese name: Principal component analysis of the English name: principal component analysis defined: a statistical approach, where the variable represents the collection of data points to find the lowest possible number of orthogonal vector characterization data characteristics.)

matlab编写转移矩阵，就是现在我有两幅图，是同一个地方的不同年份的两幅图，怎么写matlab代码，得到(matlab write the transfer matrix, that is, now I have two images, the same place in different years of the two images, how to write matlab code, to be)

The induction motor is fed by a current-controlled PWM inverter which is built using a Universal Bridge block. The motor drives a mechanical load characterized by inertia J, friction coeficient B, and load torque TL . The speed control loop uses a proportional-integral controller to produce the quadrature-axis current reference iq* which controls the motor torque. The motor flux is controlled by the direct-axis current reference id*. Block DQ-ABC is used to convert id* and iq* into current references ia*, ib*, and ic* for the current regulator. Current and Voltage Measurement blocks provide signals for visualization purpose. Motor current, speed, and torque signals are available at the output of the Asynchronous Machine block.

此程序主要是提供了信号非线性分解的一种新方法，局部均值分解，程序运行完整，可以使用，可供初学者学习使用，模拟仿真。(This program is mainly provides a new kind of nonlinear signal decomposition method, the local mean decomposition, programs run is complete, you can use, for beginners learning to use, and simulation.)