W8JK对于多波段来说，是一种不用陷波器(TRAP)和加载线圈(Loading coil)的天线，但多个波段的阻抗还是不同的，所以还是无法直接在都个波段上直接获得2：1的SWR。而要依靠匹配和调整的方法。
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负载线圈 Ballast Coil ; load coil ; loading coil
加载线圈 loading coils ; loading coiler
天线加载线圈 antenna loading coil
过载线圈 overload coil
射频负载线圈 RF Load Coil Assemblies ; RF Load Coils
载重线圈 load line disc ; plimsoll disc ; plimsoll line ; Load Line ring
载重线标圈 load line disc ; loadlinedisk ; plimsoll disc ; loading disc
载重线圈中心 centre of disc
载重线标圈载重线标圈 load line disc
每当线圈与蓄电池接通时，就会充载电荷。
Every time the coil is connected, it becomes loaded with electrical energy.
碰撞，匝链电路中由于磁通量而造成电伏减少的单位，等于穿过一载流线圈的磁通量与线圈匝数之积。
A measure of the induced voltage in a circuit caused by a magnetic fluxand equal to the fluxtimes the number of turns in the coil that surrounds it.
文章根据毕沙定律、电流回路元和载流线圈的费曼模型，用普通物理的方法计算出载流线圈在远处一点的磁场分布。
Using Biot-Savart law and the Feynman's model, the paper suggested a simple method to calculate the magnetic field generated by a current loop with arbitrary shape.
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