Described in detail how to use the C language, digital signal processing in the...

键盘扫描程序,适用于PIC单片机的键盘扫描, 适合初学PIC单片机的人学习及借鉴-Keyboard scanner for scanning the keyboard PIC MCU, PIC MCU suitable for beginners to learn and learn from

一个汇编语言程序，功能是输入一个字符及其前导字符和后续字符！-an assembly language program, which aims to bring in a pre-characters and characters and follow-up characters!

dos下testmemory程序，可以编译通过并运行。-testmemory procedures under dos, you can compile and run through.

一个串口转ＴＣＰ／ＩＰ的原码，已经经过实际应用，没有问题-a Serial-to-TCP/IP in the original code has been through practical applications, no problem

查看dos版本号-View dos version

  Dim xs As Integer   Dim ys As Integer   Dim alph As Single   Dim lng As Single   Dim m As Integer   Const PI As Single = 3.14159265 Private Function tree(x As Integer, y As Integer, angle As Single, length As Single, n As Integer)     Dim x0 As Integer   Dim y0 As Integer   Dim alpha As Single   Dim beita As Single   Dim leng As Single   BackColor = vbWhite     If n > 0 Then     x0 = x + Cos(angle) * length     y0 = y - Sin(angle) * length     picture1.Line (x, y)-(x0, y0), vbbrake     alpha = angle - PI / 8     beita = angle + PI / 8     leng = 2 * length / 3         Call tree(x0, y0, alpha, leng, n - 1)  &nbs

430产生38kzh波形，430产生38kzh波形-430 have 38kzh waveform 430 generated waveform 38kzh

ad9951的源代码，外国人高的用兴趣的朋友，看看希望对你有帮助-AD9951 source code, foreigners with high-interest friends to see if you would like to have help

本设计的内容是使用89C51RC单片机最小系统设计频率计系统，系统以单片机为主控单元，主要用于对方波频率的测量。 -The content of this design is the use of the smallest single-chip system design 89C51RC frequency of the system, a single chip for the main control unit, mainly for the other side of the measurement frequency.

题目：请输入星期几的第一个字母来判断一下是星期几，如果第一个字母一样，则继续判断第二个字母。 1.程序分析：用情况语句比较好，如果第一个字母一样，则判断用情况语句或if语句判断第二个字母。-Title: Please enter a few weeks the first letter to determine what is the day of the week, if the first letter of the same, then continue to determine the second letter. 1. Program analysis: statement by the situation better, if the first letter of the same, then the judge with the case statement or statements to determine if the second letter.