| 摘要 |
An ultrasonic angular measurement system is disclosed. The system is comprised of three parts, a control box used to collect and process data, an ultrasonic transducer, and a reflector block. The reflector block is configured so that it intercepts transmitted pulses received over a wide range of angles back to the transducer. All the components are self contained within a transportable housing which is attached to the aircraft deck during measurement of tip-off angle. The range of angle measurement is permitted because of the use of the unique reflector block which comprises a plurality of reflector segments for reflecting ultrasonic pulses transmitted at various ranges of angles.
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