Non-contact synchronous measuring instrument for subgrade and rail vibration
A synchronous measurement, non-contact technology, used in instruments, measuring devices, measuring ultrasonic/sonic/infrasonic waves, etc., can solve the problems of large error, low precision, and cumbersome testing methods, achieve intelligentization, avoid precision reduction, and eliminate The effect of human factors
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[0035] The non-contact synchronous measurement instrument for roadbed and rail vibration of the present invention will be described in detail below in conjunction with the embodiments and the drawings.
[0036] Such as figure 1 As shown, the non-contact synchronous measuring instrument for roadbed and rail vibration of the present invention includes a CCD drive circuit 1, A / D and SRAM working timing controller, address counter timing generator 2, CCD video signal binarization processing unit 3 And a data acquisition interface circuit 4 based on a parallel interface, wherein the CCD drive circuit 1 is connected to the CCD video signal binarization processing unit 3 and the A / D and SRAM working timing controller and the address counter timing generator 2, respectively, The CCD device provides the necessary working pulses and generates the interface signal with the data acquisition card; the output of the CCD video signal binarization processing unit 3, the A / D and SRAM working timin...
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