In this case, which seems to violate the "no shield current" rule for receiver circuits, the concentric cable is not used to shield the center lead; instead, the geometrv produces cancellation. 这个例子看起来违背了上文“屏蔽体一定不能有电流”的准则,但是这里屏蔽电缆并非用来屏蔽芯线,而是通过这种特殊接法抵消干扰。
Synthesis and Characterization of the Concentric Cable of Cobalt Nanowires ( nanotubes) Encapsulated in Carbon Nanotubes C纳米管包裹的金属钴纳米线(管)同心电缆的制备与表征