With the non staggered grids, a three dimensional quasi state laser remelting problem, considering heat transfer and fluid flow, is numerically simulated.
对三维准稳态激光重熔问题进行数值模拟，模型考虑了熔池内金属液体的流动和换热。
With the wide application of the three-dimensional laser scanner in engineering, this technology has attracted the attention of many researchers.
随着三维激光扫描仪在工程领域的广泛应用，这种技术已经引起了广大科研人员的关注。
In this paper, a three-dimensional model for temperature profile in finite laser slabs is presented.
本文建立了有限几何尺寸板条激光介质的三维温度分布模型。
Requirements analysis of software of the three-dimensional laser scanning machine is done, including functional requirements analysis and user requirements analysis.
三维激光扫描机扫描软件的需求分析，包括功能需求分析和用户需求分析。
A three-dimensional model for transient thermal profile in a finite laser rod is presented.
本文建立了有限几何尺寸棒状激光介质瞬态热分布的三维模型。
This article discusses the application of laser scanning equipment, software algorithms, to achieve the real-time three-dimensional imaging method of the bulk stockpile.
本文论述了应用激光扫描仪器，通过软件算法，实现对散货料堆的实时三维成像方法。
The computer vision measuring technology based on the rectangular grid laser mark is a three-dimensional coordinate measuring technology with high accuracy.
基于激光网格标记的视觉测量技术是一种高精度的三维坐标测量技术。
Two-phase three dimensional flow velocimetry by laser digital holography is being presented.
研究了利用激光数码全息技术实现两相流三维空间速度场测量的方法。
The principle of two-photon excitation and the features of femtosecond laser three-dimensional micro-fabrication technology were presented.
阐述了双光子激发的原理和飞秒激光三维加工的技术特点。
A three-dimensional numerical model for laser surface transformation hardening of metals using the finite differential technique is given in this peper.
给出了用有限差分法对金属材料激光相变硬化过程建立的三维数值模型。
Equivalent thermal conductivity was introduced to simplify the structure of photonic crystal fiber, and then three dimensional temperature field model of photonic crystal fiber laser was established.
通过引入等效热传导率对光子晶体光纤结构进行简化，建立了光子晶体光纤激光器的三维温度场模型。
The principle and structure of a large size three-dimensional laser-engraving machine has been introduced in this paper, discussed the format of data file, the design of hardware and software.
本文介绍了一种大幅面三维激光雕刻机的原理和构成，并详细讨论了数据文件的格式、系统的硬件电路和软件设计。
The quality of laser strip is a key factor which determines the results of measurement in three-dimensional measurement using structured laser light.
线激光三维测量中光条中心提取的精度对测量结果影响较大。
Laser holography is a kind of three-dimensional photographic technique to record the scene reflected light amplitude and phase information.
激光全息摄影是一种能够记录景物反射光的振幅和相位信息的立体摄影技术。
Because of stable weld, laser weld suits three dimensional weld such as weld of the smaller diameter steel pipe and copper chip, and high speed for accurate instruments.
激光焊接，焊接形态稳定，比较适合于较细钢管、钢片等薄板的立体焊接，也适合于精密仪器的高速焊接。
Objective To test the reliability of the three-dimensional dental cast laser scanner for clinical applications.
目的对牙颌模型三维激光扫描系统的可靠性进行研究，并为其临床应用提供科学依据。
Because a laser pulse has the features of good direction and anti-jamming, the laser pulse imaging technique is widely used to measure the three-dimensional information of the ground.
由于激光脉冲信号具有方向性好、抗干扰能力强等优点，激光脉冲成像在高精度测量地表三维信息领域得到广泛应用。
This paper presents an approach for the speckle noise reduction in three-dimensional surface laser light sensing: surface light scanning.
提出一种激光片光三维传感中降低散斑影响的方法：片光面内移动扫描法。
This paper introduces the principle, functions and working process of the three - dimensional laser scanning and positioning system .
介绍了激光立体扫描对位系统的原理，功能和工作过程，提供了相应的技术参数。
In summary, the results of the research shows important reference value for optimum design of ranging laser diodes radar and follow-up three-dimensional reconstruction and analysis of target data.
综上可见，该研究工作和结果对于测距型激光二极管雷达的优化设计和后续三维数据重建及分析有着重要的参考价值。
Three-dimensional turbulent flow of the endwall region inside a centrifugal compressor impeller was studied using a Laser Doppler Velocimetry.
用三维激光多普勒测速系统测量研究了一个离心压气机转子近端壁区三维紊流流场。
The technology of three-dimensional laser-scanning gives a quick, precise, and untouched solution to reconstruct the surface of complex objects.
激光三维扫描技术能够快速，精确，无接触地完成复杂物体表面的重构。
Laser three-dimensional shaping is a new research hotspot, and powder feed unit is the key to this technology.
激光三维快速立体成型已成为新的研究热点，送粉器是激光三维快速立体成型技术中的关键技术。
A three-dimensional model for studying the surface shape of the rolls textured by laser beam is set up.
建立了一种研究激光刻花轧辊表面形貌的三维模型。
In spite of components increasing in performances and dropping in price, three-dimensional laser scanning continues to be hard to own and use by professionals and organizations, in large Numbers.
尽管零部件的性能不断提高，价格也不断降低，但目前三维激光扫描仪价格仍然偏高，大多数专业用户和企业一时还较难接受。
So this paper presents a quantitative deviation analysis of three-dimensional model method based on laser scanning.
因此，本文提出了一种基于激光扫描的三维模型定量化偏差分析方法。
The principle, experimental apparatus, optical system and results of applying laser holographic interferometry technique to visualize three-dimensional (3d) temperature field were presented.
介绍了实时激光全息干涉技术应用于三维温度场可视化的原理、实验装置与光路系统、实验结果等。
With different pump source, the three-dimensional temperature field in the laser crystal was simulated on condition that the temperature on the crystal side remained constant.
假设晶体侧面保持恒定的温度，讨论了不同泵浦源下，激光晶体的三维温度场的分布。
With different pump source, the three-dimensional temperature field in the laser crystal was simulated on condition that the temperature on the crystal side remained constant.
假设晶体侧面保持恒定的温度，讨论了不同泵浦源下，激光晶体的三维温度场的分布。
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