3

矢量控制的坐标变换，可以实现park变换(Coordinate transformation vector control can be achieved park transformation)

信号处理与分析，信道仿真，模型构建与验证，信道测试，(Analysis and processing, signal channel simulation, construction and validation of the model, channel test,)

快速FOURIER变换滤波，可进行高通滤波，低通滤波，带通滤波。(rapid etween transform filtering, high-pass filter, low-pass filter, band-pass filtering.)

　　数字信号处理是一门以算法为核心，理论和实践性较强的学科。是电子信息工程、通信工程、电子信息科学与技术专业的一门重要的专业技术基础课。数字信号处理课程是在学习完数字信号处理的相关理论后，进行的综合性训练课程，其目的是： 1、使学生进一步巩固数字信号处理的基本概念、理论、分析方法和实现方法； 2、增强学生应用Matlab语言编写数字信号处理的应用程序及分析、解决实际问题的能力。(Digital signal processing is an algorithm as the core theoretical and practical strong discipline. Electronic and Information Engineering, Communication Engineering, Electronic Information Science and Technology, professional an important professional and technical basic courses. Digital Signal Processing is a comprehensive training course in learning digital signal processing theory, its purpose is: 1 to enable students to further consolidate the basic concepts of digital signal processing, theory, analysis and implementation enhance the students to apply the Matlab language to the application of digital signal processing and analysis, ability to solve practical problems.)

（1）对选定二阶电路图进行仿真，得到仿真的输入、输出数据； （2）建立二阶系统函数，用模拟的方法求解其响应，并用matlab平台求出响应波形； （3）对数据进行拟合； （4）对拟合的结果进行误差分析 ((1) on the selected second order circuit diagram of the simulation to obtain a simulation of the input and output data (2) the establishment of the second order system function, solving the response by the simulation method, and was determined using matlab platform response waveform data (3) be fitted (4) the results of the fitting error analysis)

metlab computation for UPML

数字基带传输的全部matlab仿真文件，测试无误，升余弦滚降滤波器(Digital baseband transmission matlab simulation of all documents, test passed, raised cosine roll-off filter)

本程序是采用维特比算法的软输入软输出的仿真程序(this procedure is used Viterbi Algorithm soft-input soft-output of the simulation program)

在自适应控制中，用Matlab算法实现广义最小方差自校正控制（直接算法）(In adaptive control, using Matlab algorithm generalized minimum variance self-tuning control (direct algorithm))

estimate drougth frequency for 100 years using SPI index