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velocity sound
相关语句
  声速
     According to the model pile experiment,this paper makes regression analysis,sets up mutual relation between concrete strength and the velocity sound and finds relationship factors to the velocity of sound strength.
     通过模型桩试验,进行回归分析,建立混凝土抗压强度与超声声速之间相互关系式,并找出对声速~强度的相关影响因素。
短句来源
     The ultrasonic velocity sound error caused by change of temperature and humidity is compensated by BP neural network.
     着重从新的角度补偿超声传感器的误差,提出了用BP前馈神经网络补偿超声波声速受温度、湿度变化而引起的误差。
短句来源
  超声声速
     According to the model pile experiment,this paper makes regression analysis,sets up mutual relation between concrete strength and the velocity sound and finds relationship factors to the velocity of sound strength.
     通过模型桩试验,进行回归分析,建立混凝土抗压强度与超声声速之间相互关系式,并找出对声速~强度的相关影响因素。
短句来源
  “velocity sound”译为未确定词的双语例句
     Near-field acoustic holography which was proposed in the beginning of 1980s, can reconstruct and predict acoustic quantities such as sound pressure, particle velocity, sound intensity and far-field directivity in the whole 3-D field without the resolution limitation by recording the sound pressure in the near-field of radiator.
     近场声全息技术,诞生于20世纪80年代初,通过在辐射体的近场测量声压数据可以重建和预测出整个三维空间声场的声学量,如声压、质点振速、声强以及远场指向性等。
短句来源
  相似匹配句对
     sound.
     sound.
短句来源
     Sound
     声音
短句来源
     Sound Velocity Meter and its Applications
     声速仪及其应用
短句来源
     Reseach on the Experiment of Measuring the Sound Velocity
     测声速实验的研究
短句来源
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  velocity sound
The solutions indicate the existence of light velocity sound waves in an incompressible fluid (a result known in previous literature(19)).
      


According to the model pile experiment,this paper makes regression analysis,sets up mutual relation between concrete strength and the velocity sound and finds relationship factors to the velocity of sound strength.The formula of velocity of sound strength is founded and correcting coefficient is selected reasonably.

通过模型桩试验,进行回归分析,建立混凝土抗压强度与超声声速之间相互关系式,并找出对声速~强度的相关影响因素。建立"声速~强度"公式,并合理选择修正系数。

The limitation of the ultrasonic sensor in distance measuring is analyzed,and the scheme solved is put forward.The ultrasonic velocity sound error caused by change of temperature and humidity is compensated by BP neural network.Applied this method to ultrasonic distance measuring in the outdoor,the precision is up two grades.The proposal is suitable for ultrasonic sensor at complex environment or high precision.

指出了超声波在测距应用中的局限性,并给出解决方案。着重从新的角度补偿超声传感器的误差,提出了用BP前馈神经网络补偿超声波声速受温度、湿度变化而引起的误差。在室外工作的测距仪上,应用该补偿方法后超声测距的精度提高了2个数量级。本方案适用于高精度要求或复杂环境下超声测距。

 
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