Ultrasonic focused river sediment concentration on-line measurement method
A measurement method, focused technology, applied in the field of ultrasonic liquid-solid two-phase flow measurement, sediment concentration, signal processing, can solve the problem of unknown application effect, and achieve the effect of reducing scattering attenuation
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[0056] The present invention will be further described below in conjunction with the accompanying drawings.
[0057] Build a set of ultrasonic focused river sediment concentration online measurement device with focused ultrasonic probe as the core. The ultrasonic focusing type river sediment concentration on-line measuring device includes three modules: a signal generation module, an ultrasonic transducer module and a data acquisition module. The signal generation module includes a signal generator 51 and a power amplifier 52. The ultrasonic transducer module includes a focused ultrasonic transmitting probe 53 and a focused ultrasonic receiving probe 55, and the data acquisition module includes a power amplifier 56 and an oscilloscope 57.
[0058] After the construction is completed, debug the system, and after confirming that it is correct, turn on each switch. The signal generator 51 sends out a burst wave with a frequency of 1.13 MHz and a peak-to-peak value of 2 Vpp as an...
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