标签：demonstrated - 电子研发网

demonstrated 17条

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It was proposed that perfect invisibility cloaks can be constructed for hiding objects from electrom

It was proposed that perfect invisibility cloaks can be constructed for hiding objects from electromagnetic illumination (Pendry et al., Science 312, p. 1780). The cylindrical cloaks experimentally demonstrated (Schurig et al., Science 314, p. 997) and theoretically proposed (Cai et al., Nat. Photon ...

/dl/421399.html

标签： invisibility constructed proposed electrom

上传时间： 2013-12-18

上传用户：13215175592

a sub-cell WENO reconstruction method

We introduce a sub-cell WENO reconstruction method to evaluate spatial derivatives in the high-order ADER scheme. The basic idea in our reconstruction is to use only r stencils to reconstruct the point-wise values of solutions and spatial derivatives for the 2r-1 th order ADER scheme in one dimensio ...

/dl/509348.html

标签： 高精度格式

上传时间： 2016-01-13

上传用户：ccsdcczd

LTE-Advanced+and+Next+Generation

In the nineteenth century, scientists, mathematician, engineers and innovators started investigating electromagnetism. The theory that underpins wireless communications was formed by Maxwell. Early demonstrations took place by Hertz, Tesla and others. Marconi demonstrated the first wireless transmis ...

/dl/521956.html

标签： LTE-Advanced Generation Next and

上传时间： 2020-05-27

上传用户：shancjb

MIMO+System+Technology

Use of multiple antennas at both ends of wireless links is the result of the natural progression of more than four decades of evolution of adaptive antenna technology. Recent advances have demonstrated that multiple- input-multiple-output (MIMO) wireless systems can achieve impressive increases in o ...

/dl/521968.html

标签： Technology System MIMO

上传时间： 2020-05-28

上传用户：shancjb

RFIC+Design+for+Cognitive+Radio+Systems

Cognitive radios have become a vital solution that allows sharing of the scarce frequency spectrum available for wireless systems. It has been demonstrated that it can be used for future wireless systems as well as integrated into 4G/5G wireless systems. Although there is a great amount of literatur ...

/dl/522100.html

标签： Cognitive Systems Design Radio RFIC for

上传时间： 2020-06-01

上传用户：shancjb

Telecommunications Essentials

I love telecommunications. It is powerful and it empowers, with far-reaching consequences. It has demonstrated the potential to transform society and business, and the revolution has only just begun. With the invention of the telephone, human communications and commerce were forever changed: Time ...

/dl/522143.html

标签： Telecommunications Essentials

上传时间： 2020-06-01

上传用户：shancjb

高精度双向DC电源电流采样电路设计

为适应双向DC/DC功率变换的电流采样需求,一种高精度高边电流采样电路被提出。其基本思想是在功率电路的高边串入采样电阻,借助电流镜原理并引入偏置电流电路,将双向电流均转换为正向电压输出。通过理论分析与仿真结合的方法对电流镜采样原理及4种不同的偏置电流电路方案进行对比,最后通过实验数据验证了高精度高边电流采样电 ...

/dl/832913.html

标签： 双向DC电源电流采样

上传时间： 2022-04-22

上传用户：sheng199241

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demonstrated 17条

按分类查找:

It was proposed that perfect invisibility cloaks can be constructed for hiding objects from electrom

a sub-cell WENO reconstruction method

LTE-Advanced+and+Next+Generation

MIMO+System+Technology

RFIC+Design+for+Cognitive+Radio+Systems

Telecommunications Essentials

高精度双向DC电源电流采样电路设计

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