1. The approaching waves have a step wavefront if, and the wavefront is continuous if.

2. A single cylindrical wavefront impinges on both prisms.

3. At each interface the spreading wavefront is made discontinuous.

4. A wavefront reconstruction parallel computing based on the GPU is introduced in this paper.

5. Excimer laser aberration correction system includes two parts: wavefront aberration measurement using subjective aberrometer and wavefront aberration correction using excimer laser system.

6. The system adopts no wavefront sensor. The aberrated signal is splitted into a photoelectric detector to calculate the coupling efficiency before it enters the receiver.

7. The introduction and research of wavefront aberration provide new Methods : To resolve these problems.

8. The resulting distortions in the wavefront generate the fringe contours.

9. The wavefront corrector is one of the key elements of AO system. And improvement of the spatial correction capability of correctors is the primary coverage of AO theory and experiment research.

10. Discribing the history and present conditions of wavefront aberration techniques to evaluate its clinical value.

11. More practical ray tracing methods currently include the wavefront method, the shortest path method, the travel time epenthesis method, the eikonal equation finite difference method, etc.

12. A novel wavefront curvature sensor with a distorted diffraction grating (DGWFS) is described and computer simulations of its principle is made.

13. The paper discussed the measurement for wavefront of large aperture optical system with synthesizing wavefront method.

14. The formula can reflect the influence of the wavefront steepness of lightning current on transient field.

15. Based on the definition of wavefront rise wavefront analysis method of CCD scan is introduced.

16. Unlike an ocean wave, a wavefront or surface of constant phase is unobservable and undetectable.

17. Preoperative and postoperative wavefront analysis was performed with a Tscherning aberrometer.

18. A wavefront at high radio frequencies or optical frequencies impinging on the atmosphere is distorted.

19. This structure divides wavefront control calculation into recursive algorithm and convolution algorithm, and maps them to respectively systolic array by using canonical mapping method.

20. They have to be loud because when a sound is broadcast its wavefront advances as an ever-expanding sphere.

21. Suddenly three round-headed porpoises came bursting out of the nearly vertical wavefront immediately behind us.

22. Objective: To study the higher order aberrations of emmetropic and ametropic eyes with wavefront aberrometer.

23. Rapid stepping algorithm is a rapid, condition - free and stable algorithm for wavefront reconstruction.

24. Generally one deals only with a small portion of a wavefront.

25. Deformable mirrors hidden away above the silver covers on the ceiling are used to shape the beam's wavefront and compensate for any flaws before it enters the switchyard .

26. This paper discusses the composition and optimum design of the computer originated holographic optical elements (COHOE). The preliminary experimental result with a special wavefront is presented.

27. Simulation results show phase - diversity method can accurately retrieve wavefront and defocusing of one wavelength is optimal.

28. According to relation between fringe Zernike coefficients and Seidel aberration, wavefront aberration in the exit pupil of optical system is instead with fringe Zernike coefficient.

29. The data were processed by means of both finite difference inversion and refractor wavefront imaging technique in terms of Hagedoorn principle and the fine upper crustal structure was determined.

30. Now, people are trying to use various methods, including the electro-optics effect of LC, to modulate the wavefront of light or modulate its phase after scattering the wavefront.

31. In the adaptive optical system, the fitting errors of wavefront impact correct effect of phase corrector directly.

32. Excimer laser aberration correction system includes two parts: wavefront aberration measurement using subjective aberrometer WFA 1000 and wavefront aberration correction using excimer laser system.

33. Because the ray direction does not consist with the normal to wavefront and the index of crystal is changed with the direction of propagation, the design of crystal components is a difficult problem.

34. The relationship between residual wavefront phase error and frequency response in an adaptive optical telescope is analyzed.

35. The pyramid sensor ( PS ) has the advantage of higher sensibility than other classical wavefront sensors.

36. A single shearing interferogram is not sufficient to describe a wavefront.

37. Based on the research of the present status of wavefront aberrometer, we do some improvement and develop the human eye auto-tracking system.

38. In adaptive optics system, the noise of wavefront sensor is a major error source.

39. Methods In this study, a subjective wavefront aberrometer and a contrast glare tester were used to measure age-related cataract patients and normal contrastive group.

40. The hyperacuity eye model is upbuildt by analyzing the visual resolving power of the human eye and the wavefront aberration of the eye model.

41. We built a small Hartmann - Shack wavefront sensor for measuring atmospheric disturbance characteristics.

42. Objective : To investigate the methods and effect of wavefront guided ablations for myopia.

43. The circular fringe of wavefront - splitting interference can be produced by an improved Mach - Zehnder interferometer.

44. Zonal wavefront reconstructing model is adopted, the least squares solution is applied,(Sentence dictionary) and the condition number of wavefront reconstruction matrix is used to estimate how its morbidity is.

45. The numerical simulation process of wavefront reconstruction with this shear interferometer is given.

46. Now, people are trying to use various methods, including the electro-optics effect of BSO, to modulate the wavefront of light or modulate its phase.