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 ...
等幅高频磁的磁感应强度随高频
源输
的增加而增加,磁
调幅处理能提高磁
内的磁感应强度,提高调幅波信号的幅
,可有效提高磁
内的磁感应强度。