Landmine multi-modal vibration mode measurement device and method
A measuring device and multi-modal technology, applied in the direction of measuring devices, measuring ultrasonic/sonic/infrasonic waves, instruments, etc., can solve the problems of lacking or not having multi-mode mode shape measuring devices and measuring methods of mines, and achieve non-contact fast and accurate results
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[0033] The preferred embodiments of the present invention are discussed as follows in conjunction with the accompanying drawings:
[0034] see figure 1, a mine multi-mode mode shape measuring device, comprising a signal generator 101, an acoustic emission unit 102, a sound level meter 103, a laser Doppler vibrometer 104, a multi-channel data acquisition card 105, a computer 106 and a mine box 107; The signal generator 101 is connected to the acoustic emission unit 102 by a data line; the sound level meter 103 is connected to the multi-channel data acquisition card 105 and the computer 106 in turn by a data line; the laser Doppler vibrometer 104 sequentially connects the multi-channel data acquisition card 105 and the computer 106 through data lines.
[0035] The signal generator 101 used in this embodiment adopts the AFG3022 arbitrary waveform / function generator produced by Tektronix Company, and the acoustic emission unit 102 adopts the MG8 / 2FX mixer produced by Yamaha Compa...
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