MatLab-in-Engineering-Mathematics

A given number (0..999) is tranfered to three seven segment displays using the BCD code.

leetcode的题目详解，希望对广大使用leetcode刷题的童鞋有帮助。(Detailed leetcode topic, I hope the majority of questions using leetcode brush shoes help.)

三阶倒立摆的鲁棒控制算法，包含了H infinity control 和mu analysis 算法，并进行了比较，很好的程序，值得分享。(Robust order inverted pendulum control algorithm, including the H infinity control and mu analysis algorithm, and compared, a very good program, worth sharing.)

利用matlab实现语音高频提升，即预加重处理。(Matlab voice high frequency boost that is pre-emphasized.)

说明：  该程序利用小波多尺度分解，提取近似系数和细节系数重构原图像(It uses wavelet decomposition to extract approximate coefficients and detail coefficients of the original image reconstruction)

图像检索matlab程序，基于内容的图像检索，利用颜色直方图进行检索的.(Image retri matlab procedures, content-based image retri , retri using color histogram this program comes with steps to build an image .)

matlab认知无线电 能量检测 在不同采样点数的情况下，信噪比和检测概率的变化趋势比较。(Matlab Cognitive Radio, energy detection, in the different sampling numbers, the SNR and the probability of detection varing.)

Simulink model to transform from stationary refrence frame to rotatory refrence fram

说明：  充分利用估计误差的比例,积分,微分信号考虑一类线性系统的参数化观测器设计问题,在加快观测器收敛速度的同时避免较大的超调.从理论上分析此类观测器设计的可行性,并从实际应用角度给出一种简单可行的参数设计方法.仿真实验表明:该观测器不但易于实现而且能够获得较好的估计效果,从而有利于在实际工程中的应用.(In this paper, the proportional, integral and differential signals of the estimation errors are fully utilized to consider the design of the parameterized observer for a class of linear systems. The convergence speed of the observer is accelerated and the overshoot is avoided. The feasibility of the design of the observer is analyzed theoretically, A simple and feasible parameter design method is given from the point of view of practical application. Simulation results show that the observer is not only easy to implement, but also can obtain good estimation effect, which is conducive to the application in practical engineering)

This is some MATLAB m-files to simulate a communication system using convlutional channel coding and Viterbi algorith of decoding.