| 2. | We improve the sensor head structure on the basis of analyzing the factors influencing the sensor head sensitivity . using thin fiber with 80 m and special framework , we get magnetic sensor head with small volume , high sensitivity and wide frequency response spectrum 在分析影响传感器的传感头灵敏度的因素的基础上,本文对传感器传感头结构进行了改进,整个传感头都采用80 m的细径光纤,通过特殊的骨架结构,实现了体积小、灵敏度高、频率响应范围宽的磁场传感器传感头。 |