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其他 实验目的:用c语言对一个简单语言的子集编制一个一遍扫描的编译程序

实验目的:用c语言对一个简单语言的子集编制一个一遍扫描的编译程序,以加深对编译原理的理解,掌握编译程序的实现方法和技术。 c.1词法分析 c.1.1实验目的 设计、编制并调试一个词法分析程序,加深对词法分析原理的理解。 c.1.2实验要求 c.1.2.1待分析的简单语言的词法 (1) 关键字: begin if then while do ...
https://www.eeworm.com/dl/534/494216.html
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C/C++语言编程 toj 4022源代码

#include <iostream> using namespace std; int main(){ int t; cin>>t; while(t--){ long long n; cin>>n; if(n%2==1) cout<<(n*n-1)/4<<endl; else if (n%4==0) cout <<(n*n)/4-1<<endl; else{ if(n==2) cout<<1<<endl; else{ long long k=n/2-1; cout <<k*k+2*k-3<<endl; } ...
https://www.eeworm.com/dl/502385.html
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书籍 HSDPAHSUPA+for+UMTS+High+Speed+Radio+Access

The first Third Generation Partnership Project (3GPP) Wideband Code Division Multiple Access (WCDMA) networks were launched during 2002. By the end of 2005 there were 100 open WCDMA networks and a total of over 150 operators having frequency licenses for WCDMA operation. Currently, the WCDMA network ...
https://www.eeworm.com/dl/521927.html
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书籍 Mobile+and+Wireless+Systems+Beyond+3G

With the rapid growth of the wireless mobile applications, wireless voice has begun to challenge wireline voice, whereas the desire to access e-mail, surf the Web or download music (e.g., MP3) wirelessly is increasing for wireless data. While second generation (2G) cellular wireless systems, such as ...
https://www.eeworm.com/dl/521992.html
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书籍 Bishop-Pattern-Recognition-and-Machine-Learning

Pattern recognition has its origins in engineering, whereas machine learning grew out of computer science. However, these activities can be viewed as two facets of the same field, and together they have undergone substantial development over the past ten years. In particular, Bayesian methods have g ...
https://www.eeworm.com/dl/522492.html
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技术资料 基于单片机的X射线胃肠诊断床旋转控制方法研究

本文对X线肠胃诊断床旋转控制方法进行研究,采用可变差动支点结构实现X线肠胃机诊视床在旋转的同时床体斜向上升,利用单片机控制电机速度,实现床身旋转过程中床尾不会触及地面。This paper focuses on studying the control methods of the rotation of X-ray gastrointestinal diagnostic table. In order to avoid the bott ...
https://www.eeworm.com/dl/898584.html
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技术资料 S3C2410 中断程序

简介 >本实验是编写通过中断实现EINT0按键的外部中断响应程序 实验目的 >通过实验了解中断机制的原理 >掌握中断程序的编写方法 >修改原代码,实现EINT2外部中断 操作说明 >用AXD运行实验 >按LCD上的提示,按下EINT0按键,对应的D1(核心板)会被点亮 实验流程 >初如化IO中断 >启动中断 >等待中断(程序在"while(1)"语句) >响应 ...
https://www.eeworm.com/dl/960144.html
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模拟电子 双绞线和低通滤波器降低EMI_RFI

Abstract: Alexander Graham Bell patented twisted pair wires in 1881. We still use them today because they work so well. In addition we have the advantage ofincredible computer power within our world. Circuit simulators and filter design programs are available for little or no cost. We combine the ...
https://www.eeworm.com/dl/571/20986.html
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电源技术 Switching Regulators for Poets

  The above title is not happenstance and was arrived at afterconsiderable deliberation. As a linear IC manufacturer, it isour goal to encourage users to design and build switchingregulators. A problem is that while everyone agrees thatworking switching regulators are a good thing, everyone ...
https://www.eeworm.com/dl/505/24392.html
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单片机编程 PCA9517 Level translating I2C-

The PCA9517 is a CMOS integrated circuit that provides level shifting between lowvoltage (down to 0.9 V) and higher voltage (2.7 V to 5.5 V) I2C-bus or SMBus applications.While retaining all the operating modes and features of the I2C-bus system during thelevel shifts, it also permits extension of t ...
https://www.eeworm.com/dl/502/30990.html
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