杆天线和接收机之间的同轴电缆产生的耦合效应难免会增加电场测量的不确定度。通过采用光纤技术和集成数字接收机的创新方案替代原有杆天线9 k Hz^30 MHz的测试布置,恰好可消除同轴电缆产生的耦合效应。这种方案可在民用、军用和汽车的...杆天线和接收机之间的同轴电缆产生的耦合效应难免会增加电场测量的不确定度。通过采用光纤技术和集成数字接收机的创新方案替代原有杆天线9 k Hz^30 MHz的测试布置,恰好可消除同轴电缆产生的耦合效应。这种方案可在民用、军用和汽车的杆天线测试中应用。展开更多
This paper proposes explanation of existing methods of zeroing on basis of earth using.It is showed different constructions of several types of zeroing systems(nullifiers)for different implementations.Methods for obta...This paper proposes explanation of existing methods of zeroing on basis of earth using.It is showed different constructions of several types of zeroing systems(nullifiers)for different implementations.Methods for obtaining a zero-input impedance of a nullifier and reducing its current to almost zero without using earth are described.展开更多
文摘This paper proposes explanation of existing methods of zeroing on basis of earth using.It is showed different constructions of several types of zeroing systems(nullifiers)for different implementations.Methods for obtaining a zero-input impedance of a nullifier and reducing its current to almost zero without using earth are described.
