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首页> 外文期刊>Optoelectronics, Instrumentation and Data Processing >Control of the parameters of geophones without violation of their mechanical connection with the object under study
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Control of the parameters of geophones without violation of their mechanical connection with the object under study

机译:控制地震检波器的参数而不违反其与研究对象的机械连接

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Methods of highly accurate control of the parameters of geophones are analyzed. These methods can be used with the detectors left on the object under study, which is rather desirable for seismic monitoring. It is concluded that the optimal method is the method of indirect testing with electric signals used as the test (disturbing) action and controlled response. It is proven that this method can be used to determine the sensitivity, eigenfrequencies, and the quality factor of the seismic system and the casing/bedplate resonance of an electrodynamic geophone. It is shown that the measurement error is determined to a large extent by the accuracy of compensation for a purely electric impedance of the geophone. A variant of the measurement circuit convenient for practical applications is proposed. The analysis shows that the measurement errors of this method can be easily reduced to less than 1%.
机译:分析了地震检波器参数的高精度控制方法。这些方法可以与留在研究对象上的探测器一起使用,这对于地震监测来说是非常理想的。结论是,最佳方法是采用电信号作为测试(干扰)作用和受控响应的间接测试方法。事实证明,该方法可用于确定地震系统的灵敏度,特征频率和品质因数以及电动地震检波器的套管/底板共振。结果表明,测量误差很大程度上取决于对地震检波器的纯电阻的补偿精度。提出了一种便于实际应用的测量电路的变体。分析表明,该方法的测量误差可以很容易地降低到小于1%。

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