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CN103687696A 用于检测旋转元件是否存在于机床中的方法 有权

用于检测旋转元件是否存在于机床中的方法
摘要：
用于以已知的或可确定的旋转频率RF来检测旋转元件（3）是否存在的检测方法和设备，其中，发射器（8）将主要电磁辐射（9）朝向所述旋转元件（3）引导；接收器（10）接收已经由旋转元件（3）所反射的反射电磁辐射（11）；以及处理单元（12）对所反射的反射电磁辐射（11）采样以便确定用于进行分析的粗略信号（S），在频域内分析粗略信号（S）以便检测粗略信号（S）是否包括频率对应于所述旋转元件（3）旋转频率RF的周期性，并且如果粗略信号（S）包括频率对应于所述旋转元件（3）旋转频率RF的周期性，则确定旋转元件（3）实际是存在的。
摘要（英）：

Checking method and apparatus for checking the presence of a rotating element (3) at a known or determinable rotational frequency (RF); an emitter (8) directs a main electromagnetic radiation (9) towards the rotating element (3); a receiver (10) receives a reflected electromagnetic radiation (11) which has been reflected by the rotating element (3); and a processing unit (12) samples the reflected electromagnetic radiation (11) to determine a rough signal (S) to analyze, analyzes in the frequency domain the rough signal (S) to check whether the rough signal (S) includes a periodicity with a frequency corresponding to the rotational frequency (RF) of the rotating element (3), and determines that the rotating element (3) is actually present if the rough signal (S) includes a periodicity with a frequency corresponding to the rotational frequency (RF) of the rotating element (3).

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