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书籍 Multi-Carrier+Spread+Spectrum+2007

Since the principle of multi-carrier code division multiple access (MC-CDMA) was simultaneously proposed by Khaled Fazel et al. and Nathan Yee et al. at the IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC) in the year 1993, multi-carrier spread spectrum (MC-SS ...
https://www.eeworm.com/dl/522013.html
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书籍 The Mobile Multimedia Business

The first practical examples of mobile communications were used in many countries like the USA, the UK and Germany in military services, and played a significant role in the First World War to transfer important information from the front to headquarters to take further actions. Good and secure wire ...
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书籍 Coriolis Vibratory Gyroscopes

Thanks to the advances in micromachining fabrication technologies and significant cost reduction due to mass production, miniature sensors of angular rate, or gyroscopes, found their way into the everyday life of every user of modern gadgets, such as smart phones, tablets or even wristwatches. Often ...
https://www.eeworm.com/dl/522276.html
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书籍 Multiscale+Simulation+Approach

Battery systems for energy storage are among the most relevant technologies of the 21 st century. They – in particular modern lithium-ion batteries (LIB) – are enablers for the market success of electric vehicles (EV) as well as for stationary energy storage solutions for balancing fluctuations in ...
https://www.eeworm.com/dl/522331.html
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书籍 Audio+Engineering

Sound is simply an airborne version of vibration. The air which carries sound is a mixture of gases. In gases, the molecules contain so much energy that they break free from their neighbors and rush around at high speed. As Figure 1.1(a) shows, the innumerable elastic collisions of these high-speed ...
https://www.eeworm.com/dl/522436.html
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习题答案 轮机英语期末答案

)Armature windings of the electric motor for NO.2 deck cargo winch found low insulation. Windings re-winded,painted and baked dry. (2) NO.1 main air compressor failed to build up pressure.The machine disassembled, cleaned and inspected. The discharge valve plate found broken. The valve palte r ...
https://www.eeworm.com/dl/522742.html
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论文 洞穴漏气计算

A coupled thermo-hydro-mechanical model for evaluating air leakage from an unlined compressed air energy storage cavern
https://www.eeworm.com/dl/743907.html
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技术资料 5G通信技术白皮书技术资料合集

5G通信技术白皮书技术资料合集摘 要 5G 致力于应对 2020 后多样化差异化业务的巨大挑战,满足超高速率、超低时延、高速移动、高能效 和超高流量与连接数密度等多维能力指标。FuTURE 论坛 5G 特别兴趣组(SIG)围绕着“柔性、绿色、极 速”的 5G 愿景,以“5+2”技术理念,重新思考 5G 网络的设计原则: 1) 香农理论再思考( ...
https://www.eeworm.com/dl/830602.html
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技术资料 瑞萨内部培训BLDC电机120度带霍尔方波驱动

Agenda■Motor Types Overview■BLDC Motor Applications■Comparison of DC to Brushless DC Motors■Hall Sensors■Six-Step Commutation■Sensorless Commutation with Back-EMFVector Motor Control basicsClosed-Loop Speed Control■Introduction to BLDC Motor Control Evaluation Kit■SummaryAll the popular moto ...
https://www.eeworm.com/dl/838612.html
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VIP专区 VIP专区-3000套PLC实例程序

资源包含以下内容:1.2 COMP CHILLER.rar2.20-COMM-E Adapter Diagnostics.zip3.3 Phase Motor Startup Logic.zip4.500编程实例.rar5.550 OPTICOLOUR MOINITORING TM EDIT.rar6.6688-02.rar7.6[1].下降沿和锁存指令试验.rar8.72 Station Bit Shift PLC Program Triggers 3 Cognex Cameras.zip9.AB 1769-WS称重模块使用程序C ...
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