The operating principle and structure design of the sensing probe of the FBG geophone are explained in detail. We reckon the sensitivity and frequency characteristic of the sensing probe.
设计了一种新型布拉格光纤光栅地震检波器探测系统，分析了其设计原理、结构组成，给出了探测系统的灵敏度和频率特性参数。
The sensitivity formulas about natural frequency and flutter damp to structure parameters were discussed, and the math models about optimization design were established.
建立固有振动频率和颤振阻尼对结构参数的敏度公式，设计两种不同优化问题的数学模型。
It has high sensitivity, simple structure and small driving force moment. The frequency-voltage transformer made error decreasing.
该传感器具有较高的灵敏度，结构简单，所需的驱动力矩小。
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