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介绍了GPRS 数据终端(简称GPRS DTU)的组成, 分析了其实现形式和优缺点。详细地阐述了基于索尼爱立信GR47 模
块的集成GPRS 数据终端的软、...
介绍了GPRS 数据终端(简称GPRS DTU)的组成, 分析了其实现形式和优缺点。详细地阐述了基于索尼爱立信GR47 模
块的集成GPRS 数据终端的软、硬件实现。测试表明: 在服务器的网络速率大于20kb/s 时, 建立套接字的成功率达到了
99.5 -Introduced the GPRS data terminal (referred to as GPRS DTU) the composition, an analysis of the realization of the form and the advantages and disadvantages. Detail based on Sony Ericsson GR47 module integrated GPRS data terminal software and hardware to achieve. Test showed that: in the server" s network speeds greater than 20kb/s when the success rate of establishing socket reached 99.5
- 2022-05-07 00:56:40下载
- 积分:1
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是一个matrix类
是一个matrix类-is a matrix category
- 2022-03-01 01:03:25下载
- 积分:1
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这也是一系列powerbuilder9的例程之一,同样适合初学powerbuilder9的数据库开发者,是一个易连接且简单的例子....
这也是一系列powerbuilder9的例程之一,同样适合初学powerbuilder9的数据库开发者,是一个易连接且简单的例子.-powerbuilder9 This is a series of routines, and is equally suitable for beginners powerbuilder9 database developers, is an easy connectivity and simple examples.
- 2022-02-15 00:52:55下载
- 积分:1
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时钟闪烁移动
#include"reg51.h"
sbit SET_K = P1^0; //设置
sbit PLUS_K = P1^1;//左移加1
sbit SHIFT_K = P1^2;//左移
sbit CHANGE_K = P1^3;//切换 年、月、日
bit SecFlag = 0;
bit FlashFlag = 0;
unsigned int Counter = 0;
unsigned char Led0,Led1,Led2,Led3,Led4;
unsigned char Shift;
code unsigned char LedSeg[10] = {0x3f,0x06,0x5B,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
void Time0() interrupt 1 // 0: EX0 1:Time0 2: EX1 3: Time1,4:serial 中断
{
static unsigned int IntCnt;
TH0 = 0xfc;
TL0 = 0x66;
if(++IntCnt > 1000)
{
IntCnt = 0;
SecFlag = 1;
}
switch(++Counter%5) //显示功能
{
case 0:
- 2022-03-02 21:20:39下载
- 积分:1
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网络编程书籍,本书大部分内容均围绕Winsock编程这一主题展开。...
网络编程书籍,本书大部分内容均围绕Winsock编程这一主题展开。-Network programming books, most of the contents of this book are the themes around the Winsock programming.
- 2022-08-07 20:11:07下载
- 积分:1
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Java Applet entry Guide
Java Applet入门教程-Java Applet entry Guide
- 2022-07-06 23:55:34下载
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Machina vision. Matching patterns.
Machina vision. Matching patterns.
- 2022-02-05 09:55:40下载
- 积分:1
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计算机网络,自底向上的技术 第三版 习题答案
计算机网络,自底向上的技术 第三版 习题答案-Computer networks, the technology bottom-up answer to the third edition of Exercises
- 2022-07-04 18:36:20下载
- 积分:1
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C language commonly used algorithm for assembly, and they hope to learn C langua...
C语言常用算法程序集,希望对学习C语言的有所帮助-C language commonly used algorithm for assembly, and they hope to learn C language help
- 2022-03-18 09:56:05下载
- 积分:1
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c++完美演绎程序
c++完美演绎程序-c perfect interpretation of procedures
- 2022-12-11 01:10:03下载
- 积分:1