Then, analyzes and compares methods of processing vibration signal in used, involves pretreatment methods and secondary treatment methods.

然后，分析对比了振动信号的一般处理方法，包括预处理和二次处理的方法。

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This paper discusses main aims of optical images information treatment techniques for processing aerial reconnaissance photographic images and relevant methods used.

本文论述了对航空侦察摄影图像进行光学图像信息处理的目的及方法。

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Through analyzing the characteristics of special-section mould of and NC machining processes, selected the proper processing equipment, NC system and treatment methods of the sectional profile curves.

通过分析异形截面芯模的特征和数控加工工艺，选择了合适的加工设备、数控系统和截面轮廓曲线的处理方式。

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