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 ...
等幅频磁
磁感应强度随
频电源输出电流
增加而增加,磁
调幅
提
磁
磁感应强度,提
调幅波信号
幅值电压,可有效提
磁
磁感应强度。