Firstly, the normal surface error is computed by means of downhill algorithm;
首先利用下山法计算光学镜面在法线方向的变形;
The influence of prisms surface error, mainly the local irregular error, on the wavefront figure, is discussed.
本文讨论了棱镜表面误差(主要是局部误差)对波面面形的影响。
At the same time, the models of the shape error, surface error and the chip creating error of the workpiece are proposed.
同时提出了工件的形状误差和表面误差模型以及切屑生成模型。
The above research finds out the influence of grinder error and machining setting parameter error on tooth surface error of spiral bevel gear.
上述研究查明了磨床误差及加工调整参数误差对螺旋锥齿轮齿面误差的影响机制。
Meanwhile, the influence of shaft surface error on the precision of rotor dynamic balancing is analyzed, and a method is proposed to overcome it.
并分析了转轴表面误差对平衡精度的影响,得出了解决方法。
Aspheric lens is being applied more and more widely, surface error is an important quality issue, and surface testing method is also very important.
非球面镜片的应用越来越广泛,面形误差是影响非球面质量的重要指标,所采用的面形检测方法非常重要。
The analysis is given in detail about the influence of several parameters of the surface error of optical elements including magnitude, type, scale size and distribution on the beam quality.
定量分析了了光学面形误差各参数(幅度、类型、空间尺度和空间分布等)对光束质量的影响。
The error value by error formula calculated is used which adjusts adjustment framework of machine, that can get purpose of decreasing surface error and guaranteeing surface precision of pa...
并以误差公式计算出的误差值来调整机床的微调机构,可达到减少面形误差,进而保证面形精度的目的。
In order to guarantee surface precision of using locus shaping method machining optical parts, the factors of fine grinding machine which affects surface error of part is theoretically analysed.
为了保证用轨迹成型法加工光学零件的面形精度,对精密磨削机床影响工件面形误差的因素进行了理论分析。
Secondly, on the assumption that the phase error on the aperture led by the random surface error obeys the Gaussian distribution with zero mean, the expression of the average power pattern is deduced.
然后在设定由随机表面误差引入的口径相位误差服从均值为零的正态分布的条件下,推导了天线平均功率方向图的计算公式。
Connectivity issues usually surface as timeouts reported in error logs or sometimes as error messages in the user interfaces.
连通性通常表现为错误日志中报告的超时,有时也表现为用户界面中的错误消息。
Experimental data showed the correctness and feasibility of the method. It is a new method for error judgement of surface flaws.
大量现场数据的实验证明了该方法的正确性和可行性,它是一种新的表面缺陷误差判别方法。
Therefore disregard the essence of things, the surface is very likes and dislikes decision error.
因此不顾事情的本质,只按表面现象决定好恶的作法是十分错误的。
This article analyzes the main factors and selection of rational cutting conditions influencing the surface flatness error and other defects in sawing marble plates with diamond saw blade.
本文分析了金刚石框锯在锯切大理石时,引起表面平面度偏差和其它缺陷的主要因素以及合理工作条件的选择。
Lessons Learned: This is the case of an error surface is hard but it is actually the problem of memory errors.
经验总结:这是一例表面是硬盘错误实际上却是内存错误的问题。
Surface should be used as a fine datum to be processed first, because the precision of the positioning of the surface is more accurate, the smaller the clamping error is.
用作精基准的表面应先加工出来,因为定位其准的表面越精确,装夹误差就越小。
To obtain low sidelobe level, tolerance analysis is applied to the antenna array composed by DAUs and the relationship between DAU features and surface planeness error are studied.
为了确保天线低副瓣指标,需要对由DAU拼装形成的天线阵面进行平面度误差分析,并寻求基本拼装单元DAU结构要素与阵面平面度误差之间的联系。
This will require some trial an error until the trimmed windows surface edge become similar to the curve from 2 views curve.
这将需要一些审判的错误,直至表面修剪窗户边成为类似的曲线从2意见曲线。
The error correction model of tooth surface was established by machine tool adjustment parameters and meshing principle.
结合机床调整参数、齿轮啮合原理,建立了螺旋锥齿轮齿面误差修正模型。
The test result also verifies the reasonable value of surface flux calculation, the conclusion can detect error in observed data.
试验结果也证实了表面通量计算的合理性,其结论可用于对实测资料进行误差检测。
The vibration characteristics of external plunge grinding and the ground surface profile error are investigated through experiments analysis.
在实验的基础上,对磨削过程振动特征以及由此产生的磨削表面形貌误差进行研究。
In this paper, based on the analysis of the characteristics of error surface and motion vector field, we propose a fast search strategy for motion estimation is proposed.
本文在分析低码率压缩码流运动矢量场以及误差曲面性质的基础上,提出一种基于时空预测的快速运动估值方法。
The mathematical models of surface profile as well as dividing the instrument error and the measurement interference are established.
本文还建立了表面轮廓和分离表面轮廓测量干扰及仪器误差的数学模型。
It is impossible that the surface gained by any machining is perfectly slippery. There is some microcosmic error of geometrical shape on the surface.
任何机械加工所得的表面,实际上不可能是理想的光滑表面,总是存在一定的微观几何形状误差。
The error of surface temperature measurement of solid body and two methods for lessening it are described in this paper.
本文讨论了固体表面温度测量的误差及两种减小误差的方法。
Based on study of relationship between the average quadric error and the surface curvature, a variable resolution surface reconstruction algorithm was proposed.
在研究平均二次误差与曲面曲率关系的基础上,提出了变分辨率的曲面重建算法。
Based on study of relationship between the average quadric error and the surface curvature, a variable resolution surface reconstruction algorithm was proposed.
在研究平均二次误差与曲面曲率关系的基础上,提出了变分辨率的曲面重建算法。
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