在制导系统仿真过程，本文完成了信号采集精度的确认、选择位移测量装置、信号转换等工作。

In the process of guided system simulation, we completed these works of Recognizing precision of collection signal, to select displacement measurement devices, signal conversion.

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在模态参数估计过程中，仔细选择最好的测量频响通常会得到更好的系统全局极点。

A careful selection of the best measured FRFs will generally produce much better global poles of the system for the modal parameter estimation process.

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通过研究设计了可用于温室土壤水分的测量系统，介绍了其方案设计、电路设计和传感器的选择等问题。

A system measuring soil moisture in sunlight greenhouse is studied and designed in the paper and the plan design, circuit design and choice of sensor are introduced.

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