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Inline Inspection System and Method for Calibration of Mounted Acoustic Monitoring System
Inline Inspection System and Method for Calibration of Mounted Acoustic Monitoring System
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机译:在线检测系统和安装声监测系统的标定方法
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摘要
An inline inspection system and method for calibrating an acoustic monitoring structure installed along a pipe. The system includes a pipe inspection vehicle; a microprocessor configured to attach a time stamp to a measured distance traveled by the pipe inspection vehicle; an acoustic source attached to the pipe inspection vehicle and configured to generate sound waves inside the pipe, the sound waves having predetermined frequencies and predetermined amplitudes; plural sensors disposed along the pipe and configured to record time of arrivals and intensities of the sound waves generated by the acoustic source; and a processing unit configured to communicate with the plural sensors and receive the time of arrivals, intensities and frequencies of the sound waves from the plural sensors. The processing unit calibrates the acoustic monitoring structure by calculating a distance between the acoustic source and a first sensor of the plural sensors.
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