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- Keywords wavefront aberration;wavefront aberrometer;auto-tracking;digital image processing; 波前像差;像差仪;自动跟踪;图像处理;
- wavefront aberrometer 像差仪
- and SA40N respectively. The aberrations were measured with the Tscherning-type wavefront aberrometer, Allegretto Wave Analyzer (Allegretto, Germany) after surgery. The contrasts sensitivity were measured with CSV-1000E (Vector Vision, USA). 术后由Allegretto Wave Analyzer(Allegretto,Germany)像差仪测量高阶像差,由CSV-1000E(Vector Vision,USA)测量对比敏感度。
- Preoperative and postoperative wavefront analysis was performed with a Tscherning aberrometer. 手术前和手术后均使用Tscherning像差计测量 ,分析波前像差。
- Excimer laser aberration correction system includes two parts: wavefront aberration measurement using subjective aberrometer WFA 1000 and wavefront aberration correction using excimer laser system. 准分子激光人眼像差矫正系统包括主观式像差仪进行波前像差的测量、准分子激光系统进行像差矫正两大部分。
- On the whole,under mesopic state with original pupil size,accommodation can be neglected during the wavefront aberration measurement of the lower order iwht the Asclepion Shack-Hartmann aberrometer. 应用Asclepion波前像差仪测量眼的低阶像差 ,调节通常可以忽略 ,检查可在原瞳暗视状态下进行而无需药物散瞳。
- Excimer laser aberration correction system includes two parts: wavefront aberration measurement using subjective aberrometer and wavefront aberration correction using excimer laser system. 准分子激光人眼像差矫正系统包括主观式像差仪进行波前像差的测量、准分子激光系统进行像差矫正两大部分。
- Generally one deals only with a small portion of a wavefront. 一般我们只涉及一个波阵面的一小部分。
- A single cylindrical wavefront impinges on both prisms. 一个圆形波阵面射到两个棱镜上。
- A novel self-referenced Hartmann wavefront sensor[J]. 引用该论文 曹根瑞;朱秋东;苏鹏.
- In this system, the wavefront sensor is the most important part. 在这个系统中，波前探测器是其中的关键器件。
- At each interface the spreading wavefront is made discontinuous . 在每一分界面上扩展的波前出现间断。
- The resulting distortions in the wavefront generate the fringe contours. 波阵面上发生的畸变生成了条纹线。
- Then wavefront reconstruction is achieved using Zernike polynomical fitting. 然后利用泽尼克多项式拟合,实现波前重建;
- ObjectiveTo analyze the aberration changes of human eyes after LASIK through WASCA aberrometer. 目的 通过WASCA波前像差分析仪检查和分析LASIK手术前后眼波前像差的改变。
- New testing method for cone prism based on Hartmann-shack wavefront sensor[J]. 引用该论文 张金业;李松;周辉;郑国兴;李翠玲.
- The wavefront error requirement for the final on orbit telescope is 63 nm rms. 正样望远镜对于波前误差的要求是均方根63纳米。
- The testers can also be used to measure wavefront curvature and quantify divergence/ convergence magnitude. 这些测试仪器也可以用于测量波阵面曲度和确定发散量/敛量。
- The testers can also be used to measure wavefront curvature and quantify divergence/convergence magnitude. 这些测试仪器也可以用于测量波阵面曲度和确定发散量/收敛量。
- A wavefront at high radio frequencies or optical frequencies impinging on the atmosphere is distorted. 高射电频率或光学频率的波阵面进入大气时受到畸变。
