极低频/超低频/甚低频宽带磁传感器技术研究

摘要

The theory of ELF/SLF/VLF broadband H-filed sensor is analyzed.The key technique about low noise of H-filed antenna,low noise of amplifier and calibration sensor coefficient is solved.ELF/SLF/VLF broadband H-filed sensor is manufactured,and the characteristics of sensitivity and phase are tested,which indicates the equipment achieves the predicted goal.%分析了极低频/超低频/甚低频（ELF/SLF/VLF）宽带磁传感器的工作原理,解决了磁天线低噪声、放大器低噪声、传感系数标校等关键技术问题,研制了ELF/SLF/VLF宽带磁传感器的样机并对其幅度特性、相位特性进行了测试,测试结果表明：设备性能达到了预期研究目标。