DFT_IDFT

Simulink Model for Ship Estimation

：为了提升自动控制原理课程的教学质量，改善解决课程中计算复杂、公式繁杂、难以理解等问题，我们将Matlab 仿 真技术运用于这门课程中，这款软件有助于提高学生的主动性和兴趣，促进学生分析理解问题和解决问题的能力。文章 主要介绍了Matlab 的概述和特点，Matlab 仿真技术在自动控制原理课程教学中的应用和实例等内容。(: In order to improve the quality of teaching automatic control theory courses, courses to improve the computational complexity of solving the formula complicated, difficult to understand and so on, we will Matlab simulation technology used in this course, this software helps improve students' initiative and interest, promote students' ability to analyze and understand the problem and solve the problem. The article describes an overview of the content and features of Matlab, Matlab simulation technology in teaching automatic control theory and examples of applications and so on.)

有循环检测，周期性检测，时间序列数据分析中的梅林变换工具，最大信噪比的独立分量分析算法。( There are cycle detection, periodic testing, Time series data analysis Mellin transform tool, SNR largest independent component analysis algorithm.)

说明：  网格映像法仿真瑞利高斯分布，单个辐射单元，单个距离单元，杂波面(Simulation of Rayleigh imaging method grid Gaussian distribution, a single radiating element, a single range cell, surface clutter)

说明：  快速傅里叶变换与随机减量法MATLAB例题代码(Random Decrement Technique-RDT Fast Fourier Transform)

研究LDPC码的EXIT性能经典论文汇总，包括早期EXIT和PEXIT，以及部分关于LDPC编码领域的论文(Research on the performance of the LDPC code EXIT classic paper summary, including early EXIT and PEXIT, and some papers on the LDPC encoding field)

说明：  排列熵算法是一种动力学突变检测方法，能够方便、准确的定位系统发生突变的时刻，并且对于信号的微小变化具有放大作用(Permutation entropy algorithm is a dynamic mutation detection method, which can easily and accurately locate the moment of system mutation and amplify the small change of signal)

一个利用matlab，仿真实现WCDMA的程序：）(A use of matlab, simulation procedures WCDMA realize:))

此代码主要用于车牌定位一块，有兴趣得车友们可以供参考，不足还请海涵，谢谢一起探讨(This code is mainly used to locate a license plate, car lovers may be interested in for information, less than requested Haihan, thank you to explore)

The Porter stemming algorithm (or ‘Porter stemmer’) is a process for removing the commoner morphological and inflexional endings from words in English. Its main use is as part of a term normalisation process that is usually done when setting up Information Retrieval systems.