Distance measurement is realized by ultrasonic sensors, light intensity detection is achieved by photosensitive element, timer function is realized by 89c52's timer.
测距是利用超声波传感器来实现，光强检测是通过光敏元件实现，定时功能由89c52单片机定时器实现的。
The conflict factor of D-S evidence theory is applied to constructing an adaptive ultrasonic sensor model for the navigation of mobile robots in narrow unknown environments.
针对移动机器人在未知狭窄环境中的导航问题，利用证据理论中的矛盾因子，给出了一个自适应超声波传感器模型。
By the test about the volumetric dilatancy in rocks under the uniaxial compression with ultrasonic, the propagation of ultrasonic S-wave was analyzed in the compressing process of different rocks.
通过超声波对单轴压缩试验中岩石扩容现象的测试，分析了超声横波在不同岩石压缩过程中的传播情况。
The paper introduced briefly produce quality control in pressure vessel′s shell and manhole nozzle welding, how avoided crack and found defect by ultrasonic testing after welding.
介绍了压力容器人孔接管与厚壁筒体相焊时，如何控制产品的质量，避免产生裂纹，焊后通过超声波检测及时发现缺陷。
This paper establishes the mathematics model and carries out theory 's analyses for measuring pressure of hydraulic system by ultrasonic based on examinations.
本文在实验研究的基础上对超声波检测液压系统的压力参数进行了理论分析并建立了实用的数学模型。
Purpose:To explore the relationship between fatty liver′s ultrasonic diagnosis and blood fat concentration.
目的：探讨超声诊断脂肪肝的价值及脂肪肝与血脂浓度之间的关系。
This paper examines how to use AR Spectrum estimation method to improve the locating precision of the material 's flaw position in ultrasonic testing.
文中详细介绍了如何采用AR谱估计方法来提高超声无损探伤中对缺陷位置的精确定位。
Trees s fixed high diameter meter is a new kind measuring instrument, which bases on many kinds of technologies such as the one-chip computer, ultrasonic and bar code discerning.
定高树径测量仪是基于单片机、超声波测距、条形码识别等多种技术而开发研制的在树木确定高度情况下进行测量树木直径的一种新型测量仪器。
A ultrasonic vibrative cleaning method is introduced and it′s cleaning mechanism is analyzed theoretically, some points for attention in choosing ultrasonic parameter are expounded.
基于超声波传播的机理，提出了一种无需清洗液且有别于常规超声波清洗机理的超声波振动清洗方法，并阐明了选取各超声参量时应注意的问题。
The structures of efficacious components of S. officinalis root by ultrasonic extraction do not change judging from the analysis by UV and FTIR.
通过UV和FTIR光谱分析，超声波浸提没有使地榆根中有效成分的结构发生改变。
In this system, a frequency-adjustable ultrasonic drive signal is made by computer, then based on the motor 's revolution number, system can automatically find the syntonic frequency of motor.
在此系统中，首先使用计算机来产生一个频率可调的超声波驱动信号，然后通过对马达转数的检测，系统得到压电超声马达的最佳谐振频率值。
Methods Observe30uremia patient 's heart structure and function with the colored Doppler's ultrasonic.
方法本文应用彩色多普勒超声观察30例尿毒症患者心内结构和功能。
This paper Studies and analyzes on data fusion for Ultrasonic adhesive detecting by D-S theory of evidence.
采用D-S证据理论，提出了利用声激励和超声探头检测金属与非金属粘接状态的融合方法，并进行了验证分析。
In order to realize the map building based on ultrasonic, a transmitting signal model is established and the D-S theory is used for updating the environment map.
利用超声发射信号模型，并使用d - S证据理论对环境地图进行更新，从而实现了基于超声的栅格地图创建。
The system"s price can be reduced and the ability to catch the ultrasonic can be improved with LM567 as the detecting component of the ultrasonic."
以LM567作为超声波检测元件可降低系统的价格，提高超声波捕捉能力；
This paper Studies and analyzes on data fusion for Ultrasonic adhesive detecting by D-S theory of evidence. The result shows that the fusion method is feasible.
采用D-S证据理论，提出了利用声激励和超声探头检测金属与非金属粘接状态的融合方法，并进行了验证分析。实验证明，提出的方法是可行的。
Using MTS Ultrasonic Measurement System, we studied the influences of water of saturation and pore pressure on velocities of compressional (P) and shear (S) waves in exposure rock specimens.
我们用MTS的超声波测试系统研究了地表岩样饱和水及孔隙压力对纵横波速度的影响。
In late 90's, with a view of environmental protection, people began to use ultrasonic instead of acidic solution to clean metal parts. It is a great innovation for cleaning technology.
由于环保因素，在九十年代后期，已改为超声波方法取代酸性溶液方法，这是工业清洗技术的一次重大革新。
In late 90's, with a view of environmental protection, people began to use ultrasonic instead of acidic solution to clean metal parts. It is a great innovation for cleaning technology.
由于环保因素，在九十年代后期，已改为超声波方法取代酸性溶液方法，这是工业清洗技术的一次重大革新。
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