LYD

说明：  手机端城市三级联动代码是一款带有手机验证码和表单验证的手机端代码(Mobile City Level 3 Linkage Code is a mobile code with mobile phone verification code and form verification.)

数学建模竞赛：DNA序列的分析，内附有关数据和代码，matlab语句编程-Mathematical Contest in Modeling: DNA sequence analysis, containing the relevant data and code, matlab programming language

VC++获取DNS 子网掩码 IP地址以及路由设置等网络配置参数，另外还可获取主机名、工作域、网卡MAC地址、默认网关以及是否使用IP路由等，编写网络相关软件时，这是一些必备的网络参数。程序运行截图如图所示。

字符串交叉输入，就是将一个字符串交叉的输入到了另一个字符串当中，比如： char a[4]="ABCD" char b[4]="abcd" 则char c[8]="AaBbCcDd" (Cross-string input, is to cross a string input to another string of them, such as: char a [4] = "ABCD" char b [4] = "abcd" While char c [8] = "AaBbCcDd" )

美国国家仪器（national instrument）三大软件之一的TestStand 3.5版本的用户手册。 该手册是TS中最详细的手册。(National Instruments (national instrument), one of the three software versions of TestStand 3.5 user' s manual. TS of the manual is the most detailed manual.)

说明：  建立了电动汽车的电机模型，电池模型以及自适应巡航系统的ACC控制算法，采用神经网络控制对ACC系统控制器进行详细的设计(The motor model, battery model and ACC control algorithm of adaptive cruise system of electric vehicle are established. The controller of ACC system is designed in detail by using neural network control.)

说明：  高级例程-基于STM32 USB 虚拟串口 控制IO 端口(STM32 USB IO control)

一些有用的c++算法实现-some useful c Algorithm

宾.杨（Bin Yang）的PAST算法（投影近似子空间跟踪算法）原文翻译.(PAST rotation invariance is used to solve the angle signal, This algorithm uses the minimum two multiplication to estimate the incidence angle)