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关注：1
2013-05-23 12:21
求翻译： 其中C为超声波信号在水中的声速，为信号在换能器及硬件电路中的时间延迟。设为顺逆流时间差，则是什么意思？ 待解决
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其中C为超声波信号在水中的声速，为信号在换能器及硬件电路中的时间延迟。设为顺逆流时间差，则
问题补充： |
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2013-05-23 12:21:38
Where c is the sound velocity of the ultrasonic signal in the water for the time delay of the signal transducer and hardware circuit. Make smooth countercurrent time,
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2013-05-23 12:23:18
For ultrasound signals which C in the water, the sound is a signal to the transducer and the hardware of the time delay in the circuit. Set to shun reflux time difference, it is
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2013-05-23 12:24:58
C is the ultrasonic wave signal in water sonic speed, is the signal in the transducer and in the hardware electric circuit time delay.Supposes for is suitable the adverse current time difference, then
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2013-05-23 12:26:38
Common liquid sound velocity is greater than 1000m s, and liquid flow velocity is less than 10m s, that is, (2.1) can be reduced to,
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2013-05-23 12:28:18
formula;
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