high-frequency-switching-noise

reflectivity of dbr stack at different input angles

四阶Runge-Kutta法解一阶常微分方程Matlab代码(Fourth-order Runge-Kutta method for solving a first-order ordinary differential equations Matlab code)

matlab的详细说明手册，对初学者很有帮助的。(matlab detailed instruction manual, useful for beginners.)

matlab命令大全，各种指令都有，有助于学习(matlab command Daquan, various instructions are conducive to learning)

机器学习经典决策树算法的实现 输入训练标签输出预测结果(the classificial machine learning algorithm, input label and traning set and get predictions)

说明：  对机械类振动信号处理，幅值谱，相位谱，自功率谱，自回归谱等(For mechanical vibration signal processing, amplitude spectrum, phase spectrum, self power spectrum, auto regression spectrum, etc.)

Construct the short length of QC LDPC codes without girth 4 and girth 6(The Program to construct the short length of QC LDPC codes without girth 4 and girth 6 Copyright (C) Yang XIAO, Jun FAN, BJTU, July 26, 2007, E-Mail: yxiao@bjtu.edu.cn. This program presents an approach [1] for constructing the short length of LDPC codes with girth 8. First, we design 3 submatrices with different shifting functions given by our schemes, then combine them into a matrix according to our approach, finally, expand the matrix into a desired parity-check matrix using identity matrices and cyclic shift matrices of the identity matrices. The simulation results in AWGN channels show that the codes which can be obtained by the generator matrix derived from this check matrix for encoding the random information bits are as good as random LDPC codes [1]. Ref: [1] J. Fan, Y. Xiao, “A design of LDPC codes with large girth based on the sub-matrix shifting”, IET International Conference on Wireless Mobile and Multimedia Networks Proceedings (ICWMMN 2006), (CP525), p. )

monte carlo bpsk ber delay

是平面三角形单元分析的Matlab源码，是我自己编写的，运行成功，希望对大家有所帮助。(Is a plane triangular element analysis Matlab source code is written in my own running success, we want to help.)

说明：  用matlab编写的fft快速傅立叶变换及逆变换函数,其中flip1是供ditfft函数调用的倒叙子函数。(using Matlab fft prepared by the fast Fourier transform and inverse transform function, which is flip1 ditfft function call for the Warrior unreachable.)