nc

说明：  sentinel tool dongle must have

说明：  SC-FDE系统的通信实现，包含数据生成，发送接收过程(Communication realization of SC-FDE system)

说明：  1801vp1-037 minimal schematics - RPLY only

C51的一些误区和注意事项（ZT） 1)C忌讳绝对定位。 常看见初学者要求使用_at_,这是一种谬误，把C当作ASM看待了。在C中变量 的定位是编译器的事情，初学者只要定义变量和变量的作 用域，编译器就把一个固定地址给这个 变量。怎么取得这个变量的地址？要用指针。比如unsigned char data x 后，x的地址就是... -C51 some errors and attention to the business (ZT) 1) C taboo absolute positioning. See beginners often require the use of _at_, this is a fallacy, ASM C as a treat. C variables in the positioning of the compiler things, as long as the definition of beginners variable and the variable scope, Compiler put a fixed address to this variable. How the variables made the address? Use indicators. Unsigned char data such as x, x is the address ...

基于逆波兰法的计算器程序，该计算器支持小数输入和正负数输入，支持四则运算以及指数运算，也支持括号的使用。(Reverse Polish law based calculator program, the calculator supports input and negative decimal number input, support four operations and index calculation, and also supports the use of parentheses.)

图像峰值信噪比（psrn）的MATLAB代码(this code is used for calculate the psrn of image.)

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VB里的Lable控件属性怎么设置字体会变色会动呢-VB Lane Lable control properties set the font will change how it will move

读取IGS电离层文件，格式为IONEX1.0（具体可参见CODE或IGS官方网站）(Reading IONEX1.0 )

实现了完美的事例，可以直接运行成功的项目(Registers a callback function for when a camera is detected)