wavefront aberration造句

• Testing technology for aspheric wavefront aberration
  非球面波像差的检测技术
• Modern corneal laser surgery has been one of the effective methods for wavefront aberration correction in recent years
  近年来准分子激光角膜技术迅速发展,人眼波前像差的矫正成为该领域研究的热点问题。
• A model made up of pulse compression grating pair with wavefront aberration is applied to calculate the effect of the wavefront aberration on pulse compression
  理论分析结果表明：脉冲压缩光栅系统最大波像差不大于/ 4时，脉冲压缩比的最大变化率约为2 % 。
• Using the wavefront aberration map and the mtf , interaction between aberrations to improve or reduce visual performance is discussed . 2 . a model for wavefront reconstruction from slopes of reflected wave is presented
  2 .从理论上建立了由眼底发出的测试波前斜率测量值重建波前曲面(数值上等于波前像差)的模型。
• The preliminary conclusion shows that the maximum rate of compression ratio changes is about 2 % and the change rate is less when the peak - to - valley value of wavefront aberration is less than a quarter of wavelength and incident angle is properly
  脉冲压缩光栅对系统达到衍射极限时，在选择适当的入射角度时，光栅波像差所引起的脉冲压缩比变化并不大。
• The experimental results show that the excimer laser refractive system is characteristic of short cure time , high accuracy , surface smoothness and easy to integrate the wavefront aberration technology
  实验结果表明，该矫正系统具有治疗时间短、矫正精度高、角膜切削表面光滑，易于集成波前像差技术实现“个体化切削”方案等优点，具有较好的临床应用前景。
• And wherein the model is adapt to the change of size of the transition zone of corneal . the model can be used to correct wavefront aberration . the hardware and sofeware of the ophthalmic excimer laser system is designed
  设计了准分子激光人眼像差矫正系统的硬件和软件系统,并对像差矫正系统实现的关键技术? ?飞点扫描技术、主动跟踪技术、能量闭环控制技术进行了深入的研究。
• An ophthalmic excimer laser system used to correct wavefront aberration is presented . the conception and zernike representation of wavefront aberration of human eyes recommended by osa are introduced . the connection of wavefront aberration and ablation profile is analyzed and a model for calculating ablation profile to correct wavefront aberration is presented . because the ablation depth on the boundary is nonzero and irregular , we present a model for calculating ablation profile in a transition zone
  深入研究了准分子激光像差矫正系统,采用美国光学大会推荐的像差的定义、像差的zernike多项式表示方法,定量分析zernike多项式表示的像差与角膜切削量的关系,采用主观式人眼像差仪测量像差,得出了像差矫正的角膜切削模型,并提出了一种采用过渡函数进行边界切削的方法,用于可调的过渡区切削量的计算,为人眼单色像差的矫正提供了理论基础。
• Based on the relationship between the change of the cornea thickness and optical path length , the ablation profile for the correction of wavefront aberration is presented and simulated on computer . the process of scanning - spot excimer laser is studied and simulated on computer . models for calculation of residual wavefront aberration on situations of lateral decentration and torsional misalignment are brought up
  使用改变光程的方法建立起波前像差与角膜切削量之间的关系,并对像差矫正模型进行计算仿真;深入研究了小光斑准分子激光飞点扫描模型,对飞点扫描过程进行计算仿真;提出了中心偏移和旋转情况下剩余像差计算模型,为定量研究切削中心定位精度对像差矫正的影响提供了依据。
• And the pivotal technique of the system is researched in the paper . according to this paper ’ s research result , the ophthalmic excimer laser system used to correct wavefront aberration is developed with cooperation of su zhou 66 vision tech co . , ltd . the system has been applied into the clinic and achieved satisfied outcomes
  根据论文理论研究成果,在原有的国产准分子激光屈光矫正系统上,同有关单位合作,在国内首先研制了准分子激光像差矫正装备,目前已经投入临床应用,取得了良好的效果。
• Comparing to traditional refractive errors correcting , the principle and technique are quite different . basis on the concept of human eye wavefront aberration , chapter 4 studied zemike polynomials to represent the aberrated wavefront in the pupil and fitted the data to a zernike series to reconstruct the wavefront aberrations of living human eye . researched the relationship between second - order zernike coefficients and conventional spectacles . we verfied that wavefront aberration guided excimer laser cornea ablation surgery is feasibility and veracity , in order to provide theory foundation for correct the low order and the high order aberration of the human eyes
  叙述了人眼像差的概念和产生的原因，并确定了采用zernike多项式表示像差的方法；首次定量分析了zernike多项式表示的像差与角膜切削深度的关系；首次采用主观式人眼像差仪测量像差，并研究了其实现原理和软件控制框图，论文首次研究了准分子激光进行矫正人眼像差的原理，为像差引导的准分子激光屈光手术提供了理论和实验依据，实现了“个性化切削” 。
• Chapter 3 erected the relationship between refraction error and cornel ablation depth in theory . the paper proposed various mathematical models which can be used for proceed the simple myopia , simple hypermetropia , compund myopia astigmatism , compund hypermetropia astigmatism , simple myopia astigmatism , simple hypermetropia astigmatism , mixed astigmatism . the influence of the astigmatic axis and the degree of astigmatism on the correction field is discussed . wavefront aberration guided excimer laser cornea ablation is a main method of customised corneal ablation
  以数学的方法研究出了屈光性单纯近视、屈光性单纯远视、复性近视散光、复性远视散光、单纯近视散光、单纯远视散光、混合性散光屈光矫正的物理模型；并揭示了不同轴位的转换规律，对不同散光情况下的初始角膜两个不同方向的曲率半径和手术后最终的曲率半径作了定量的研究。
• The excimer laser diopter correction and aberration correction have been proved efficiency and safety . based on cad / cam , applied optics , ophthalmology , biomedicine and computer techonlogy , this paper studied the principle of excimer laser aberration correction . the conception , cause of formation and representation of wavefront aberration are introduced
  准分子激光治疗屈光不正及消除像差的有效性和安全性已被证实,本学位论文将cad 、眼科视光学、波前像差技术、生物医学技术与计算机技术等多学科理论交叉结合,系统叙述了人眼波前像差理论,包括波前像差概念、表示方法、测量方法和产生的原因等。