Yokoi

说明：  对于学习通信原理并且要求运用matlab仿真的学者来说是一本很好的书籍。(Communication Theory for the study and asked the scholars to use matlab simulation is a very good book.)

粒子群算法 粒子群算法 粒子群算法 粒子群算法(Partical Swarm Optimization PSO matlab Partical Swarm Optimization Partical Swarm Optimization Partical Swarm Optimization Partical Swarm Optimization Partical Swarm OptimizationPartical Swarm Optimization)

说明：  关于SAR回波仿真的模拟和RD成像算法。(Simulation of SAR echo simulation and RD imaging algorithm.)

Analysis of steady state/ transient behaviour of HVDC systems due to AC/ DC Faults, commutation failure etc. using PSCAD simulating software. Also conducted studies on control methods/ protection requirements as well as distribution on the Delhi-Rihand HVDC system.

电话拨号音的合成与识别 基于对电话通信系统中拨号音合成与识别的仿真实现，主要涉及到电话拨号音合成的基本原理及识别的主要方法，利用 MATLAB 软件以及 FFT 算法实现对电话通信系统中拨号音的合成与识别。并进一步利用 MATLAB 中的图形用户界面 GUI 制作简单直观的模拟界面。使其对电话通信系统拨号音的合成与识别有个基本的了解。 能够利用矩阵不同的基频合成 0 － 9 不同按键的拨号音，并能够对不同的拨号音加以正确的识别，实现由拨号音解析出电话号码的过程。(Synthesis and recognition telephone dial tone Based on telephone communication system dial tone Simulation synthesis and recognition, mainly related to the basic principles of the main methods telephone dial tone synthesis and recognition, using MATLAB software and the FFT algorithm for synthesis and recognition telephone communication system dial tone. And further use of MATLAB graphical user interface is simple and intuitive GUI making analog interface. Synthesis and recognition make telephone communication system dial tone have a basic understanding. Can be different the fundamental frequency of matrix synthesis 0 9 dial tone different keys, and can be correctly identify different dial tone, dial tone achieved by the parsed telephone number of processes.)

Calculate CINR in physical layer in MATLAB. clc clear all close all N = 1 R = 10 D = sqrt(3*N)*R angleValue = [pi/6 (3*pi)/6 (5*pi)/6 (7*pi)/6 (9*pi)/6 (11*pi)/6] c = 3*10^8 carrierFreq = 900*10^6 lambda = c/carrierFreq baseHeight = 30 mobileHeight = 2 pathLossExponent = 3 shadowingValue = 0 transmitPower = 10

利用双线性Z变换设计巴特沃斯和切比雪夫I型IIR数字滤波器，包括低通、高通、带通、带阻四种形式。使用者只需指定通带、阻带的边缘实际频率及相应的衰减，便可输出数字滤波器 的级联形式的各子系统分子、分母的系数，并输出其幅频和相频响(Bilinear Z transform design Butterworth and Chebyshev Type I IIR digital filters, including low pass, high pass, band pass, band stop four forms. Users simply specify the passband edge frequency stopband actual and corresponding attenuation subsystems can form molecular cascade output digital filter coefficients of the denominator, and the output of its magnitude and phase frequency response)

粒子群算法是一种智能优化算法，具有良好的全局搜索能力和鲁棒性。(Particle swarm optimization algorithm is an intelligent algorithm, which has a good global search capability and robustness.)

MATLAB GUI设计学习手记（第二版）源程序 附赠 俄罗斯方块V2.0 本书推荐的学习方法： 1）若您是一个MATLAB初学者，且有充裕的时间来学习GUI设计，您可以从本书的第1章开始循序渐进地学习。 2）若您是一位MATLAB初学者，且时间非常紧迫，建议您先学好第1章，然后依次学习第4章、第5章和第6章，其他章节请根据项目需要有选择性地学习。 3）若您已经掌握了MATLAB的基础语法知识，有一定的MATLAB编程基础，也请浏览一下第1章的内容，尤其是专题分析部分。然后先学习本书第4、5和6章，其他章节请根据项目需要有选择性地学习。 4）若您是一位MATLAB GUI方面的专家或老师，您可以将本书作为一本教学的参考书，本书内容全面、讲解详实、代码精炼，是不可多得的GUI宝典。 (MATLAB GUI design learning Hearts (second edition) source code comes with Tetris V2.0 book recommended learning methods: 1) If you are a MATLAB beginners, and there is plenty of time to learn GUI design from the Chapter 1 of the book began to learn step-by-step. 2) If you are a MATLAB beginners, and the time is very tight, it is recommended that you first learn to Chapter 1, followed by learning Chapter 4, Chapter 5 and Chapter 6, in other sections based on project needs selective learning . 3) If you have mastered the basic grammar of the MATLAB, the MATLAB Programming Fundamentals, please visit the Chapter 1, in particular thematic analysis section. First learning book chapters 4, 5 and 6, then the other chapters selective learning based on project needs. 4) If you are an expert or teacher of a MATLAB GUI, you can book as a teaching reference books, the book is comprehensive, explain the detailed, refined code, is a rare GUI canon.)

实现脊型波导的二阶，三阶，四级色散，希望对大家有用。(Second Order realization ridge waveguide, third, four dispersion, hope to be useful.)