A pen tablet consists of a flat tabletop pad that uses touch or electromagnetic resonance technology and is activated with a hand-held pen pointer. 手写板包括一个使用触摸或电磁感应技术的平板,由手握压感笔激活。
Electromagnetic resonance of a periodic array wires are studied in free space and negative permittivity are realized in a certain frequency range. 研究了周期性排列的金属杆阵列的空间电磁谐振行为,实现了负介电常数。
The problems of the transmission electromagnetic wave in waveguides and the electromagnetic resonance in resonance cavities are important ones in the application of electromagnetic theory, microwave and millimeter wave technology. 波导传输电磁波和谐振腔振荡的问题在电磁理论及微波与毫米波技术的应用中占有极其重要的地位。
This paper carries out an analysis of cases of electromagnetic resonance created by the electromagnetic PT in an insulation neutral system, and brings forward some counter measures accordingly. 就中性点绝缘系统中电磁电压互感器产生电磁谐振的实际案例作了分析,并提出了相应的处理办法。
Electromagnetic resonance of microwave LHMs in free space ( 1 ). Electromagnetic resonance of a periodic array SRRs are studied in free space and negative permeability are realized in a certain frequency range. 3研究了微波段左手材料的空间电磁谐振行为(1)研究了周期性排列的金属开口谐振环的空间电磁谐振行为,实现了负磁导率。