Levinson

经典载波跟踪环costas环simulink建模仿真，采用QPSK调制，包含上下变频以及三种不同鉴相方式。(Classic costas loop carrier tracking loop simulink modeling and simulation, using QPSK modulation, including the upper and lower frequency, as well as phase three different ways.)

磁共振成像仪的基本硬件,脉冲序列的基本概念和分类,MRI常规质控指标,MRI的优缺点(Magnetic resonance imaging of the basic hardware, pulse sequence and classification of the basic concepts, MRI routine quality control indicators, MRI of the advantages and disadvantages)

用Cohen--Coon整定公式来求P,PI,PID的个参数，其中Gc是校正器的传递函数,kp为比例系数， Ti为积分时间常数，Td为微分时间常数，输入参量vars为带迟滞--惯性环节模型的KT τ 输入参量vars为带迟滞--惯性环节的K T ι，已知参数k=vars（1）；T=vars（2）；ι=vars（3）。(With Cohen- Coon tuning formula to seek P, PI, PID' s parameters, which Gc is the corrector transfer function, kp the proportional coefficient, Ti the integral time constant, Td for the differential time constant, input parameters vars as with hysteresis- inertia model KT τ as input parameters vars with hysteresis- inertia of KT ι, the known parameters k = vars (1) T = vars (2) ι = vars (3).)

This file contain the Simulation of a Cognitive Radio System by Using Matlab Software.Also This file containing a guide file to explain how the code is work.

1Smooth affine shear tight frames with MRA structure 1308.6205

常用命令,已经收集好了，并且进行了分类。如果有不方便的还请指出。(useful commands which are clected.)

图像处理的偏微分方程方法程序，有图像的分割，增强等程序，里面的有程序运行，所需要的图片，视频非常好用！(Method of partial differential equations of image processing procedures, image segmentation, enhancement program, which are run, the required pictures, video is very easy to use!)

各种形式的方向图，波束形成中有常规波速形成，等等(Various forms of pattern, with a conventional beamforming beamforming, etc.)

三相桥式逆变器SVPWM控制策略的仿真研究(Simulation of a three-phase bridge inverter SVPWM control strategy)

在风的特性、风与结构的相互作用和风荷载的计算理论分析的基础上,利用斜拉索上点的受力情况对脉动风场进行模拟,基于谐波合成法的计算公式(haracteristics of the wind, the calculation basis for the interaction of wind load wind theory and structure analysis, the use of the forces on the cable-stayed point of fluctuating wind field simulation, based on a formula to calculate the harmonic synthesis)