It is to project a laser sheet onto the tested surface, and form a light line on the surface.
它的基本思想是通过投射激光线光束到被测物体表面，在物体表面形成一条投影亮线。
The flow field visualization about the sections of double delta-wing by laser sheet technology;
对边条翼双垂尾布局模型的流场进行了激光片光源显示实验研究。
Laser sheet bending is a new metal flexible forming process, which has shown more advantages in contrast to the classical metal forming.
板材激光弯曲成形是一种新型金属板材柔性成形技术，与传统成形工艺相比具有显著优势。
Methods of reducing the speckle noise and improving the depth resolution in optical 3-d profilometry with laser sheet are proposed in the paper.
提出了两种在激光片光三维传感中降低散斑噪声、提高深度分辨率的方法。
In this paper, the laser sheet technology is used to research the flow visualization of sections of double delta wing, and some important results are introduced.
介绍了采用激光片光技术在风洞中进行双三角翼剖面流动显示研究的方法和主要结果。
Slides, color photos, color printouts, even a photocopied or laser-printed sheet with clear pictures of your projects is enough.
包含你作品的幻灯片，彩色照片，彩打图片，甚至是影印或镭射打印的清晰图片，这些就足够了。
Analysis and experiment on deformation of sheet metal by laser shock wave.
金属材料的激光冲击变形分析及其实验研究。
Finally some key techniques are pointed to be studied for industrial application of laser shock forming of metal sheet.
指出了激光冲击成形技术在工业应用中所必须研究的一些主要内容。
A new forming process which can make sheet metals thermoplastic deformation without dies through the use of a laser as a heat source was described.
介绍了一种利用激光作为热源使金属板料在无模具下发生热塑性变形的新的成形加工方法。
The blood flow particle field is illuminated by a laser light sheet and optical parameters of the experimental system are selected to obtain the optimal flow field pictures.
用激光片光源照亮血流粒子场，再计算确定实验系统光学参数，以获得最佳流场图片。
Laser forming is a flexible forming process that forms sheet metal by means of stresses induced by the laser beam.
激光成形技术是以激光为热源加热金属板料，依靠内应力使板料弯曲成形。
In the sheet thickness measurement system with laser, there is requirement to adjust position of sensors dynamically to adapt the change of the sheet's surface position.
激光板厚测量系统中，需要动态调节系统中传感器的位置，以适应被测板材表面位置的变化。
Computer simulation and experimental investigation of the sheet metal bending by the laser beam scanning are presented in this paper.
本文对金属薄板的激光弯曲成形进行了试验研究和数值模拟。
Using explicit dynamic FEM as a solver, process parameter optimization design on laser bending of rectangular sheet metals was conducted with genetic algorithms (GA).
提出了一种以动态显式有限元为解算器，并采用遗传算法对矩形板激光弯曲成形工艺参数进行优化设计的方法。
By studying on the calculation of minimum laser energy and the deformation experiment, the paper provides exactly a theoretical foundation for controlling and predicting deformation of sheet metal.
最小激光能量的估算以及能量与板料变形的实验研究为板料变形的精确控制和预测提供了理论依据。
By taking laser welding, different steel base, hardness, surface treatment sheet steel can be welded together to meet the special requirements of different parts.
通过激光焊接可将不同材质、不同强度、不同表面处理的钢板焊接在一起，以满足零件不同部位性能的需要。
Laser heating and bending formation of sheet metal is an advanced forming method of component parts offered recently.
板材激光加热弯曲成形是近年来提出的一种先进的零件成形方法。
A new forming process which can make sheet metal thermoplastic deforming without dies through the use of laser as heat source was described.
利用激光作为热源使金属板料在无模具下发生热塑性变形是一种新的成形方法。
The influence of different laser-spot Spaces on deformation results of SUS304 stainless steel sheet was studied, and simulated by Finited Element Soft-ABAQUS.
实验研究了不同的光斑间距对SUS304不锈钢板激光冲击的变形影响，并用ABAQUS软件进行了有限元仿真分析。
In production, the performance of laser roughed rolls are superior to shot-blasted rolls, and the rolled textured sheet or strip has better quality.
在冷轧薄板(带)生产中，激光毛化轧辊比目前常用的喷丸毛化轧辊有更好的使用效果和更长的使用寿命，用其轧制的薄板质量也更为优异。
The laser power density and the temperature of post heat processing have great effect on the sheet resistivity and TCR of PTC thermistor, and there exist optimum values for these parameters.
激光功率密度和后续热处理温度对PT C热敏电阻方阻和电阻温度系数影响较大，并都存在一个最佳值。
A lot of experiments have been carried out for laser butt welding of steel sheet.
对汽车板激光拼接工艺进行大量试验。
To obtain extra wide steel sheet for automobile use experiments were conducted on laser welding of deep drawing steel sheet.
为拼接超宽汽车用板，对深冲钢板进行了激光焊接试验研究。
Simulation result was verified by the temperature on the lower surface of the sheet metal, which was measured by the thermocouple temperature transducer measuring under the laser scanning line.
通过温度传感器测量与激光扫描线相对应的薄板下表面温度变化的规律来验证数值模拟的结果。
The theory and a new application of adaptive optics are described in conventional laser cutting, thick sheet metal laser sawing and three dimension laser welding.
介绍了自适应反射镜和透镜的原理及其在一般激光切割、厚钢板的激光锯切和三维激光焊接中的应用。
ZL114A aluminum alloy sheet was tested by laser filler wire welding . Through the three different alloy compositions of aluminum alloy welding wire, to add different alloy element to the weld.
对ZL114A铝合金薄板采用激光填丝焊接，通过三种不同成分的铝合金焊丝，向焊缝中添加合金元素。
A new forming process which can make sheet metals plastic deformation through the use of a laser as a heat source was described.
介绍了一种利用激光扫描金属薄板时，在热作用区域内产生的强烈温度梯度而诱发的热应力，使板料实现塑性变形的工艺方法。
Computer simulation and experimental investigation of laser forming process of shipbuilding sheet metal were performed.
对船舶钢板激光弯曲成形过程进行了数值模拟及实验研究。
Invent and construct an optical device that USES a laser pointer and allows contactless determination of thickness, refractive index, and other properties of a glass sheet.
请利用一个激光笔发明并制造一个做的光学仪器，使其可以不接触地测量一个玻璃片的厚度、折射率以及其他属性。
Invent and construct an optical device that USES a laser pointer and allows contactless determination of thickness, refractive index, and other properties of a glass sheet.
请利用一个激光笔发明并制造一个做的光学仪器，使其可以不接触地测量一个玻璃片的厚度、折射率以及其他属性。
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