field curvature
场弯曲：一种光学像差
常用释义
英式发音
美式发音
基本释义
- 场弯曲：一种光学像差，指的是透镜成像后，垂直于主光轴的物平面上发出的光在最佳实像面上不是平面而是一个曲面。
例句
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1·There is always field curvature in image of large field optical systems.大视场光学系统的像面往往存在场曲。
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2·The field curvature is emended by locale lense, the quality of the image is nice.引入场镜组校正场曲，成像质量较好。
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3·It is verified by an experiment that fiber image transmission components can correct field curvature of optic lens systems. (4) To analysis drive timing requirements of linear array CCD.并通过实验验证了光纤传像元件对光学系统场曲的校正作用。四、分析了线阵CCD的驱动时序要求。
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4·There’s gravity in higher dimensions, gravity with extra curvature terms, and gravity coupled to a ‘chameleon field’ that makes the strength of gravity different near matter than in a vacuum.我们经常提到的是一个更广意义上的万有引力，一个与附加曲率项（extra curvature terms）有关的和与“chameleon field”（它能使物体间的万有引力在真空中和一般条件下的力度大小不同）相结合的万有引力。
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5·On the basis of studying the current linear and nonlinear filters for identifying potential field structure, an adaptive curvature sorting filter is designed.在考察划分位场结构线性和非线性滤波器的基础上，设计出一种自适应曲率结构分选滤波器。
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6·A restoration scheme is proposed for space-variant image degradation resulting from curvature of field in imaging systems.提出了一种用于像场弯曲图像的复原方法，分析了该方法的原理。
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7·According to the calculated result and experimental data, this flow rate distribution is mainly caused by the influence of the curvature of streamline on the flow field.结合计算结果与实验结果认为，流线弯曲程度对流动的影响是产生这种流量分布趋势的原因。
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8·The characteristic of the emission caused in the special spiral magnetic field of hydromagnetic accretion disk is discussed mainly using the formula of curvature radiation.并着重用曲率辐射公式讨论了在磁流体吸积盘的特殊螺旋强磁场中的辐射特点。
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9·Synthetical evaluation according to prediction result of stress field and curvature will lead to high permeability region prediction of coal reservoir.应用应力场预测的结果与曲率分析预测的结果进行综合评价，预测煤储层高渗区。
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10·When the curvature is 0, we found that the difference between the phase field method and the finite difference method is very small.我们发现与有限差分法相比较，在曲率为0，即边界为一条直线的时候，两者的差别很小。