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文件格式 建立用于完成复数算术运算的类Complex。编写一个程序测试该类。
建立用于完成复数算术运算的类Complex。编写一个程序测试该类。
DSP编程 Hardware random number generators attempt to extract randomness directly from complex physical syst
Hardware random number generators attempt to extract
randomness directly from complex physical systems. In this way they create random outputs without requiring any seed inputs. In this paper we describe how to use Physical Random Functions (or Physical Unclonable Functions, PUFs) to create a candid ...
C/C++语言编程 定义一个复数类Complex
定义一个复数类Complex，使得下面的代码能够工作
Complex c1(3,5); // 用复数3+5i初始化c1
Complex c2 = 4.5; // 用实参4.5初始化c2
c1.add(c2); // 将c1与c2相加，结果保存在c1中
c1.show(); // 将c1输出（这时结果应该是7.5+5i）
学术论文 基于ARM和CPLD的可扩展嵌入式系统设计
进入20世纪90年代后，随着全球信息化、智能化、网络化的发展，嵌入式系统技术获得了前所未有的发展空间。 嵌入式系统的最大特点之_是其所具有的目的性或针对性，即每一套嵌入式系统的开发设计都有其特殊的应用场合与特定功能，这也是嵌入式系统与通刚的计算机系统最主要的区别。由于嵌入式系统是为特定的目的而设计的，且常 ...
PCB相关 PCB Design Considerations and Guidelines for 0.4mm and 0.5mm WLPs
Abstract: Using a wafer-level package (WLP) can reduce the overall size and cost of your solution.However when using a WLP IC, the printed circuit board (PCB) layout can become more complex and, ifnot carefully planned, result in an unreliable design. This article presents some PCB designconsidera ...
电源技术 DN384 精确的电源排序,防止系统损坏
 
Many complex systems—such as telecom equipment,memory modules, optical systems, networking equipment,servers and base stations—use FPGAs and otherdigital ICs that require multiple voltage rails that muststart up and shut down in a specific order, otherwise theICs can be damage ...
电源技术 降压升压型控制器简化手持式产品的DC/DC转换器设计
 
A number of conventional solutions have been available forthe design of a DC/DC converter where the output voltageis within the input voltage range—a common scenarioin Li-Ion battery-powered applications—but none werevery attractive until now. Conventional topologies, suchas S ...
电源技术 DN445微型模块LED驱动器
 
Once relegated to the hinterlands of low cost indicatorlights, the LED is again in the spotlight of the lightingworld. LED lighting is now ubiquitous, from car headlightsto USB-powered lava lamps. Car headlights exemplifyapplications that capitalize on the LED’s clear advantages&mda ...
电源技术 基于FPGA的高度集成DCDC稳压器
 
In a recent discussion with a system designer, the requirementfor his power supply was to regulate 1.5Vand deliver up to 40A of current to a load that consistedof four FPGAs. This is up to 60W of power that must bedelivered in a small area with the lowest height profi lepossible to allow ...
电源技术 高效率,高密度,高电流应用的多相转换器
 
As logic systems get larger and more complex, theirsupply current requirements continue to rise. Systemsrequiring 100A are fairly common. A high current powersupply to meet such requirements usually requires parallelingseveral power regulators to alleviate the thermalstress on the individ ...