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System and method for discriminating between origins of vibrations in an object and determination of contact between blunt bodies traveling in a medium
System and method for discriminating between origins of vibrations in an object and determination of contact between blunt bodies traveling in a medium
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机译:用于区分物体振动源和确定介质中传播的钝体之间接触的系统和方法
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摘要
A system and method for accurately detecting contact between two objects in a medium comprises at least one sensor for detecting vibration of a first of the two objects and a central processing unit (CPU) for receiving an output of the at least one sensor, wherein the CPU performs the steps: converting the output of the sensor into digital form; during a calibration phase, changing the data from time domain to frequency domain; and during the calibration phase, determining a first frequency range associated with actual contact between the two objects, and a second frequency range associated with a false positive contact between the two objects. A signal processor is provided for filtering all data except that which falls within the first frequency range so as to confirm actual contact between the objects.
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