LabVIEW 蓝色控件集

代码亲测可用，直接调用stoi函数，格式是stoi(x,y,fs)，分别是干净语音，带噪语音，采样频率

STM32 TIM2+LCD1602秒表实验,完整程序，可以启动、停止、清零。。。。。精确到10ms

中文翻译This file documents the GNU debugger GDB.This is the Tenth Edition, of Debugging with GDB: the GNU Source-Level Debugger for GDB (GDB) Version 8.1.90.20180814-git.Copyright © 1988-2018 Free Software Foundation, Inc.Permission is granted to copy, distribute and/or modify this document unde

echarts升级版关系图，网络拓扑图，资源关系图，可添加，搜索（支持高亮显示），排序，删除

STM32F407 探索者HAL库例程V1.1，和f407标准固件库类似

很多网上的DBN都调不通，我这个一定能调通

Eviews计算CoVaR的步骤，分位数回归方法和GARCH方法。

【实例简介】《Channel Estimation for Gigabit Multi-user MIMO-OFDM Systems MIMO-OFDM Systems》为国外一博士论文，内附详细MATLAB代码。文章结构如下： 1 An Introduction to MIMO-OFDM Systems 3 1.1 Predicting the Emerging and Future Wireless Communications Technologies . . . . . . . . . . . . . . . . .. . . . . . . . . . . 4 1.2 Chapter Summary . . . . . . . . . . . . . . . . . . . . . . . . 6 1.3 The MIMO-OFDM System Model . . . . . . . . . . . . . . . . . 9 1.4 The MIMO-OFDM Air Interface . . . . . . . . . . . . . . . . . 13 1.4.1 IQ Constellation Mapping . . . . . . . . . . . . . . . . . 13 1.4.2 Digital multitone/multi-carrier modulation . . . . . . . . 17 1.4.3 Maximum Likelihood Detection . . . . . . . . . . . . . . 19 1.5 The MIMO-OFDM Mapping/De-mapping Function . . . . . . . 23 1.5.1 Space-Frequency Coding . . . . . . . . . . . . . . . . . . 24 1.5.2 Spatial Multiplexing . . . . . . . . . . . . . . . . . . . . 27 1.6 Multi-user MIMO-OFDM . . . . . . . . . . . . . . . . . . . . . 29 1.7 Research Objectives of the Thesis . . . . . . . . . . . . . . .31 2 The Wireless Channel 33 2.1 Multipath Propagation . . . . . . . . . . . . . . . . . . . . 35 2.2 Tapped-Delay-Line System Model . . . . . . . . . . . . . . . . 37 2.2.1 Statistical Model of a Multipath Channel . . . . . . . . . 41 2.2.2 Bandlimited transmission . . . . . . . . . . . . . . . . . 45 2.2.3 Rayleigh Fading Channels . . . . . . . . . . . . . . . . . 48 2.3 Saleh-Valenzuela channel Model . . . . . . . . . . . . . . . . 50 2.4 Correlation of the channel gain parameters of MIMO antennas . 55 2.5 Chapter Summary . . . . . . . . . . . . . . . . . . . . . . . 57 3 Coherent Detection for MIMO-OFDM Systems 61 3.1 OFDM Equalization . . . . . . . . . . . . . . . . . . . . . . 62 3.2 SISO-OFDM Channel Estimation . . . . . . . . . . . . . . . . . 68 3.2.1 One Dimensional Channel Estimation . . . . . . . . . . . 70 3.2.2 Two Dimensional Channel estimation . . . . . . . . . . . 73 3.3 MIMO-OFDM Channel Estimation . . . . . . . . . . . . . . . . 77 3.3

ARIMA模型-matlab代码，可以根据自己的实际情况进行参数调节，实现所需要的效果。

陈天奇论文及翻译+演讲PPT+论文讲解（陈天奇XGBoost: A Scalable Tree Boosting System）