Photonic_crystal_Two-core-POWER

书名:数字通信原理_基于matlab仿真计算 书中很多 matlab 源码,适合在校学生熟悉了解matlab在数字通信中的应用(Title: Principles of digital communication matlab simulation based on _ a lot of matlab source book for students to become familiar with matlab in the digital communication)

对声音信号的LMS滤波，噪音为固定信噪比的高斯噪声(LMS filtering of sound signals, noise, Gaussian noise for a fixed signal to noise ratio)

hht和emd源代码，可以直接出图像，MATLAB开发环境(hht and emd source code, the image can be directly)

关于ofdm的matlab程序，包含viterbi程序(On ofdm in matlab program, including procedures viterbi)

说明：  仿真信号 进行卡尔曼滤波去除噪声 并用KNN算法实现定位(Kalman filter is used to remove noise from simulated signals and KNN algorithm is used to locate them.)

对二进制序列进行APSK调制，绘出调制后的波形(APSK binary sequence modulation, the modulated waveform drawn)

快速傅里叶变换自编程序，直接运行即可，简单方便实用(Fast Fourier Transform self program can be run directly, simple and convenient and practical)

说明：  电机转子位置观测，采用卡尔曼滤波算法，计算出转子位置信息，矢量控制(Motor rotor position observation, using Kalman filter algorithm to calculate rotor position information, vector control)

说明：  MATLAB答题卡识别（GUI，论文） 本课题为基于MATLAB的不变矩答题卡识别。可识别学号，学科，答案，并进行分数统计，以及判断是否及格。后台可设置标准excel答案。经过灰度变换形成灰度图像、二值化处理、图像滤波、边缘检测、hough变换等预处理。带GUI交互式界面。(Matlab answer card recognition (GUI, paper) This topic is based on MATLAB moment invariant answer card recognition. Can identify student number, subject, answer, and carry out score statistics, as well as judge whether pass. Standard excel answers can be set in the background. After gray-scale transformation, gray-scale image, binary processing, image filtering, edge detection, Hough transform and other preprocessing are formed. With GUI interactive interface.)

全数字BPSK调制解调系统的仿真，BPSK信号信噪比估计方法的分析与仿真 (All-digital BPSK modulation and demodulation system simulation, BPSK signal to noise ratio estimation method of analysis and simulation)