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极低频/超低频/甚低频宽带磁传感器技术研究
ELF/SLF/VLF broadband H-filed sensor
【摘要】 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。
【Abstract】 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.
【关键词】 电磁探测;
宽带磁传感器;
噪声特性;
低噪声;
【Key words】 electromagnetism exploration; broadband H-filed sensor; noise characteristics; low noise;
【Key words】 electromagnetism exploration; broadband H-filed sensor; noise characteristics; low noise;
- 【文献出处】 电波科学学报 ,Chinese Journal of Radio Science , 编辑部邮箱 ,2012年03期
- 【分类号】TP212.13
- 【被引频次】3
- 【下载频次】212