gaijin_pujianfa

一、实验要求 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。(Power spectrum estimation)

该代码实现了以2为因子的图像升采样和降采样功能。 降采样包括使用平滑滤波器(with using the averaging filter)和不使用平滑滤波器(without using the averaging filter)两种方法。 升采样包括像素点直接复制(pixel replication method)和线性插值(bilinear interpolatoin method)两种方法。 降采样方法和升采样方法共有4种组合。程序运行后，给出了一个原始图片和四个结果图片。 图片1.原始图片。 图片2.平滑滤波器降采样&像素点直接复制升采样。 图片3.平滑滤波器降采样&线性插值升采样。 图片4.不使用平滑滤波器降采样&像素点直接复制升采样。 图片5.不使用平滑滤波器降采样&线性插值升采样。 (The code to achieve a 2-factor image upsampling and downsampling function. Down-sampling (with using the averaging filter) and do not use smoothing filter (without using the averaging filter) are two ways to use the smoothing filter. Upsampling including the pixels copied directly (pixel replication method) and linear interpolation (bilinear interpolatoin method) two methods. Down-sampling method and liters a total of four combinations of sampling methods. The program is running, it shows a picture of an original picture and four results. Picture 1 original picture. Photo 2. Smoothing filter downsampling & the pixel directly copied liter sample. Photo 3. Smoothing filter downsampling & the linear interpolation liter sampling. Picture 4. Smoothing filter down-sampling & the pixels directly copied liter sampling. Picture 5. Use smoothing filter down-sampling & the linear interpolation liter sampling.)

对经验模态分解的端点效应进行处理，本程序用镜像延拓方法(The empirical mode decomposition of the endpoint effect processing, the program uses the image extension method)

这是一段matlab程序，主要目的是为了完成连续潮流下的极限问题(This is a matlab program, the main aim is to achieve continuous trend in order to limit the problem)

这是一个关于模糊函数的matlab源代码，希望能对作相关领域的人带来一些帮助(This is a function on the fuzzy matlab source code, hoping to make the related fields to bring some help)

自己做的一个DCDC升压电路模型，通过设置占空比可以将电压升高到目标值(DCDC boost)

Simulation Of Patch Antenna Using MATLAB

inertial navigation system1

分形中轨线的最小李雅普诺夫指数的计算,讨论算法优化的文章(Fractal trajectory calculation of the smallest Lyapunov exponent, the article discussed Algorithm)

about nuclear reactor and control of them. it is presented a new method