astigmatic

What astigmatic situation are you involved in?

是什么让你分心了?

This is astigmatic testing,or the astigmatic dials testing.

这是散光检查,叫做散光盘视标试验。

Study on Kerr Lens Mode-Locked Laser with Astigmatic Resonator[J].

引用该论文 安文生,周国生,李仲豪,宋晏蓉,贾锁堂,姚建铨.

Parameter changes of Gaussian beams after passing through astigmatic lens[J].

引用该论文 孟祥龙,赵保银,聂义友,吕百达.

An Astigmatic Method for Real-time Nanometer Vibration Measurement[J].

引用该论文 贺锋涛,白永林,冯晓强,侯洵.

The resonator(astigmatic) can be compensated by inserting a suitable thickness Brewster plate in the cavity.

在腔内插入一定厚度的布儒斯特片可以部分消除腔的像散.

In the IOU designs, the astigmatic and knife-edge methods were respectively adopted as the focusing servo mechanism.

在积体化光学模组设计上,像散法及刀缘法则分别被使用作为聚焦伺服之机制。

The Theoretical Analysis and Experimental Simulation of Astigmatic Elliptic Gaussian Beam[J].

引用该论文 李银妹,楼立人,操传顺.

Conclusion This calculation is useful to understand and correctly use the astigmatic dials test.

结论被检者对散光视标辨认结果和散光轴位之间关系的定量推导有助于正确的理解和临床应用。

To compensate for any astigmatic effect,a spherical equivalent prescription may be calculated.

为了补偿散光的影响,可以计算等效球面的处方。

The present invention provides an optical pickup apparatus capable of preventing astigmatic aberration.

本发明提供一种能够防止象散差的光拾取器装置。

The thermometer is high precision, durable, astigmatic, waterproof, and anticorrosive etc.

该温度计具有高精度、耐用、耐震、防水、防腐蚀等特点。

The regular scalar ABCD formula can not describe this astigmatic matter wave, neither deal with its evolution problems.

在物质波领域,由于实验装置的各种不对称 设置,相干物质波会表现出非均匀、各向异性的像散特性。

The results show that the annular beams become non-rotational symmetric after passing through an astigmatic lens.

研究结果表明:环状光束通过像散透镜后变为非旋转对称光束;

Results: The strabismus group and the high myopic group had poor initial visual acuity and the astigmatic group had better initial visual acuity.

研究屈光异常程度、初诊时年纪、初诊最佳矫正视力、配合度好坏、立体感有无等;

The length of axis is positively correlated with the myopic degree and astigmatic degree .The maximum corneal refractiv...

最大角膜屈光力与近视度呈正相关,与散光度亦呈正相关。

Free from astigmatism. Used of a compound lens in which the separate components compensate for the astigmatic effects of each lens.

消像散的消像散的,用于复合透镜,其中分隔部分抵消了每一个透镜的散光效果

OBJECTIVE: To observe the visual acuities, complications in and after surgery, the astigmatic after the foldable Iol implantation.

目的:观察折叠人工晶体植入的视力,术中、术后并发症、术后散光发生。

The result shows that the occurrence and the position of focal switches can be controlled by changing the beam parameter and astigmatic parameter.

结果表明,可以通过改变光束参数和像散参数来控制焦开关发生的位置和产生焦开关的次数。

By use of the linearity characteristic of the astigmatic system, the high axial resolution is achieved at a larger sampling interval.

利用像散特性曲线中的线性关系,实现在较大采样间距下获得较高的轴向分辨率。

The astigmatic parameter, power in the bucket (PIB) and position of the peak intensity are chosen as the parameters for characterizing beam quality in the far-field.

用像散参数、桶中功率(PIB)和峰值光强位置描述了远场光束质量。

Last year more than 1.5 million nearsighted, farsighted or astigmatic people underwent the procedure to eliminate the need to wear eyeglasses or contact lenses.

去年一年,美国就有超过150万名近视、远视或散光患者进行了这项手术,以摆脱眼镜或隐形眼镜。

It's well know that earthquake bring large damage to people's lives and property, so it is important to research the reliability of astigmatic structure .

地震会给人类带来极大的生命和财产损失,因此研究抗震结构的可靠度具有十分重要的意义。

Experimental results were obtained, which accord with the theory analysis.It indicates that the astigmatic method is applicable in non-scanning 3-D profile detecting.

实验结果中像散特性与理论分析是基本吻合的,表明像散法在并行三维检测中可以应用。

The objective of this thesis is to discuss the microfabrication of three kinds of diffractive optical elements, namely, collimator, beam splitter, and astigmatic lens.

摘要:本论文主要是探讨三种绕射元件的微制程分析,元件分别为准直透镜、分光元件与像散透镜。

The focusing intensity decreases gradually with the increasing of the astigmatic coefficients.The azimuth angle of focusing spot is determined merely by astigmatic coefficients.

聚焦光强随着透镜像散系数的增大而逐渐减弱,聚焦光斑的方位仅由像散系数确定;

The majority of mixed astigmatic eyes changed into myopic astigmatism after 3 years.

动物人工角膜散光可诱发低度近视屈光,与对照眼比较差异有极显著意义。

Astigmatic dials are targets used for the detection and correction of astigmatism.

散光盘是用于辅助检测并矫正散光的视标。

Method Based on optical and mathematic principle,the relationship between astigmatic dials test result and astigmatism axis was calculated out as a formula.

方法根据光学和数学的原理,从点光源成像入手,逐步定量地推导被检者对散光视标的辨认结果和散光轴位之间的关系。

The results show that this kind of resonators not only can extract high laser power from the active region efficiently, but also can get a single elliptical astigmatic beam, which is close to the circular Gauss beam.

研究表明:该谐振腔不仅能有效提取激活区的能量,且可输出单光束偏心椭圆像散光束,获得较高质量的激光。

A new OE-HOE system has been worked out,with which the large-aperture collimated waves,large-aperture convergent wa- ves,astigmatic waves,or wave beam with cross-section of any aperture shape can be produced.

本文给出一种光学元件(OE)与全息光学元件(HOE)的组合系统,利用它可以获得大口径高精度准直波、大口径会聚球面波和象散波以及各种形状截面的光波。

In an alt-alz ( Dobsonian ) mount since the mirror, no matter how it points skywards, is always symmetrical about a vertical plane and hence a true floatation cell will not give astigmatic mirror.

地平经纬式(多布森装置)无论如何指向天空其反射镜均总是与垂直面成对称因而壹个真正的浮动镜室不会产生象散误差。

From the propagation theory of partially coherent light, spectral anomalies and spectral switches of Gaussian Schell-model beams focused by an astigmatic aperture lens are studied.

从部分相干光的传输理论出发,研究了高斯谢尔模型光束通过光阑像散透镜聚焦的光谱异变和光谱开关。

Based on the general Huygens-Fresnel diffraction integral formula, the focal switch effect of Hermite-cosine-Gaussian beams passing through an astigmatic lens is investigated in detail.

应用惠更斯-菲涅耳衍射积分公式,研究了厄米-余弦-高斯光束通过像散透镜后的焦开关现象。

The other one is the astigmatic beams, which can be produced by elliptical beams focused by a cylindrical lens, possessing very high orbital angular momentum of more than 10 per photon.

所以这类光束具有对微粒更大的旋转能力,更高的实用性,可以用于冷原子的操纵,蛋白质分子的旋转,细胞微粒的控制等。

Construction-light of linear CCD receiving astigmatic light is used to decrease the interference from the surface of workpiece to sensor in the auto-tracking system of submerged arc welding.

针对埋弧焊自动跟踪系统,采用线阵CCD接收散射光信号的光路结构,有效地减小了工件表面状况对传感器检测信号的干扰,着重介绍了埋弧焊自动跟踪系统的主要组成以及工作原理。

Correction of the astigmatic laser beam

激光束的像散补偿

Analysis of the astigmatic eyes in children

儿童屈光不正中散光情况临床分析

compound astigmatic anisometropia

复性散光性屈光参差

pointer on stationary astigmatic dial, rotating

静止散光盘转动指示器

Keywords astigmatic degree;astigmatic axle;

儿童;散光度;散光轴;

fixed astigmatic clock dial slide

固定式钟盘图形, 散光测试幻灯片

innervational astigmatic accommodation

神经支配性散光性调节

aperture-lens astigmatic separated system

像散系数

rotating pointer on stationary astigmatic dial

静止散光盘转动指示器

Design of Astigmatic Lens with Compensating Optical Aberration

带像差补偿的光盘像散自动调焦透镜设计

The research of characters of astigmatic eyes in the children

视力低常儿童散光眼特征研究

Influences of an Astigmatic Lens on Cosh-Gaussian Beams

像散透镜对双曲余弦高斯光束的影响

Analysis of the astigmatic state of ametropic amblyopia in children

儿童屈光不正性弱视的散光状态分析

the change of astigmatic axial.

散光轴向的改变