The stacking effect model and couplingresonance model were presented. The two-freedom model which gives high description precision of coupling system was proposed.
The process relies on a principle called magnetic resonancecoupling (pdf).
无线充电的过程是基于磁共振耦合的原理。
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Magnetic resonancecoupling is thought to be safer than other methods of wireless charging because the intensity of the field can be increased without affecting other, non-resonant objects nearby.