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
场的
感应
随
频电源输出电流的
而
,
场调幅处理能
场内的
感应
,
调幅波信号的幅值电压,可有效
场内的
感应
。