11

对变压器噪声信号的频谱分析，对比matlab中功率谱分析的各种方法，并显示频谱分析结果图(Transformer noise signal spectrum analysis, power spectrum analysis of the various methods matlab contrast and displays the results of spectral analysis chart)

信号为两个正弦信号加高斯白噪声，各正弦信号的信噪比均为10dB，长度为N，信号频率分别为 和 ，初始相位 ，取 ， 取不同数值：0.3，0.25。 为采样频率。分别用Levinson递推法和Burg法进行功率谱估计，并分析改变数据长度、模型阶数对谱估计结果的影响。(Signal into two sinusoidal signals applied Gaussian white noise, the SNR of each sinusoidal signals are 10dB, a length of N, respectively, and the signal frequency, initial phase, take, take different values: 0.3,0.25. It is the sampling frequency. Respectively Levinson recursion method and Burg method for power spectrum estimation, and change the length of the data analysis, the impact of model order estimation result spectrum.)

悬臂梁振动主动控制，包括悬臂梁振动动力学模型，悬臂梁振动力学分析，悬臂梁振动微分方程，悬臂梁的PID控制仿真 (Cantilever vibration control, including the dynamic model of the cantilever vibration, the cantilever vibration mechanical analysis, differential equations cantilever vibration, the cantilever PID control simulation)

关于摄像机标定的实用matlab工具箱，包含多种标定算法，可以按照使用说明进行操作，简单易学。(On practical matlab camera calibration toolbox contains a variety of calibration algorithms can be used in accordance with instructions, easy to learn.)

在MATLAB环境中，进行数字图像处理中常用到的小波函数系列之三(In the MATLAB environment, to carry out commonly used in digital image processing of the wavelet function series of three)

说明：  本程序在c平台下开发，描述了awng信道下QPSK调制的方针。结果较为理想(The program developed in c platform described awng channel QPSK modulation approach. More satisfactory results)

How to set the path for psat

relay selection and path loss function to max the snr

channel create and simulation in OFDM system

说明：  输入波形信号，就可以输出时频分析的结果输入波形信号，就可以输出时频分析的结果(Input waveform signal, you can output the results of time-frequency analysis of the input waveform signal, you can output the results of time-frequency analysis)