The maximum of B along elevation direction is closely under the central section of coil.The B of equiamplitude magnetic field is increased by increasing of the output current ...
频磁场的磁感应
随
频电源输出电流的增加而增加,磁场调
处理能提
磁场内的磁感应
,提
调
波信号的
值电压,可有效提
磁场内的磁感应
。