first-order-equation-modeling

利用基于直方图的自适应阈值方法实现分割前景与背景(The use of adaptive threshold method of histogram based segmentation of foreground and background)

gram-schmidt与hosehouder算法，stability程序为通过hosehouder算法检验gram-schmidt算法的正确性，适合工程复算(gram-schmidt and hosehouder algorithms, stability test procedures for the adoption of gram-schmidt algorithm hosehouder correctness of the algorithm is suitable for engineering complex operator)

说明：  是matlab语言，对阶跃折射率分布锥形光纤模型中的光场分布进行了模拟。 (Is the matlab language, on the step refractive index distribution of tapered fiber-optic model of optical field distribution are simulated.)

均匀PCM量化和u律非均匀量化的对比效果分析实验(uniform PCM quantifiable and non-uniform legal u quantitative analysis of the experimental contrast)

lehmer random number generator method to generate test patterns of circuit

本实验将使用MATLAB 7.0软件分别对20钢的离子渗碳和气体渗碳过程进行模拟，渗碳时间分别为1h、2h、8h、20h，渗碳温度分别为1203K、1223K、1273K、1323K。对20钢的其中一面进行一维气体渗碳，设该扩散系数和界面传递系数均与渗碳浓度无关，对渗碳厚度、渗碳速度、渗碳量和渗碳时间、渗碳温度的关系进行模拟。(In this study, using MATLAB 7.0 software 20 steel ion carburizing and gas carburizing process simulation, carburizing time were 1H, 2H, 8h, 20h, carburizing temperature of 1203K, 1223K, 1273K, 1323K. 20 steel one side of a one-dimensional gas carburizing, set the diffusion coefficient and interface transfer coefficient has nothing to do with the concentration of carburizing, the relationship of the thickness of the carburizing, carburizing speed, carburizing and carburizing time, carburizing temperature simulation.)

1．产生[0,1]均匀分布的白噪声序列 (1) 打印出前50个数 (2) 分布检验 (3) 均值检验 (4) 方差检验 (5) 计算相关函数 Bx(i),i=0,±1,±2,…, ±10 (1. Generated [0,1] uniformly distributed white noise sequence (1) print out the top 50 the number of (2) the distribution of test (3) the mean test (4) of variance test (5) calculating the correlation function Bx (i), i = 0 , ± 1, ± 2, ..., ± 10)

This is a our final year project that we did for for the partial fulfillment of BSc degree in Electrical Engineering.

对通信信号进行时频分析比较有用的matlab代码(A useful matlab code for time-frequency analysis of communication signals)

这个文件包含了正弦调频信号的多种时频分布算法的仿真，通过不同时频算法分布图，得到不同时频分布分析正弦调频信号的性能(This file contains a variety of sinusoidal FM signal simulation algorithm for time-frequency distribution, through the time-frequency algorithm for distribution maps, are not at the same time-frequency distribution analysis of the performance of sinusoidal FM signal)