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 ...

等幅磁场磁感应强度随源出增加而增加,磁场调幅处理能提磁场内磁感应强度,提调幅波信号幅值压,可有效提磁场内磁感应强度。