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31. The diffract optical filters are important to practical optical system presently. Many functions that are difficult to realize for traditional optical elements can be achieved by using these filters.

32. The development of a novel computerized CCD spectrometer, which consists of three parts: the CCD light detector, the optical system, the data acquisition and control system, is reported.

33. The external cavity is made up of fast axis collimator, collimating optical system and diffraction grating.

34. The optical system introduced here is an optical antenna designed for ship-loaded gun-controlling laser ranger.

34. Sentencedict.com try its best to collect and build good sentences.

35. Perfect optical system dose not be inhibited by physical conditions and every object point has ideal point image.

36. A complete design example of elliptical window optical system is demonstrated and the results show that the MTF of optical system approaches the diffraction limit across the entire scanning field.

37. The principle of color generation and the theory of optical system design in color xerographic copiers are briefly described in this paper.

38. The lateral chromatic aberration must be corrected during designing optical system.

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

40. An achromatic conformal optical system working within infrared waveband was designed.

41. The function of optical system is transferring data in atmosphere and it. include transmitting aerial and receiving antenna.

42. A lens is an optical system including two refracting surfaces.

43. Basic performance, optical system principle, line of sight stabilization and control of PARUS—98E optronic mast is further described.

44. Based on athermal design technologies of optical passive mode, this paper describes an example of a cooled long wave infrared optical system.

45. To extend the depth of focus of a incoherent optical system becomes a hotspot problem in the domain of opticals.

46. The H-S method has been extensively used in the adaptive optical system for its simple optical system, without any active part, higher optical efficiency and can be used in detector array.

47. The propagation formula of the cross-spectral density of partially coherent flattened Gaussian Beam(PCFGB) through ABCD optical system was derived using Huygens-Fresnel diffraction integral formula.

48. The optical measurement of decentration is of great significance to detection, fixing and regulating of an optical system.

49. In television, an unwanted component in the picture signal output from a camera, caused by the scattering of light in the optical system.

50. Using Hamilton's equations, a ray tracing in rotationally symmetric optical system is made, and the simple results for refracting surface and lens are obtained by use of Hamilton's formulas.

51. Optical Transfer Function (OTF) can evaluate the frequency characteristics of a optical system or device. Analytical method of optic transfer function is employed to OLPF in the paper.

52. This approach can not only eliminate defocusing effect of optical system caused by temperature change, but also make the aerial digital camera be smaller and less weighty.

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

54. The DNA chip detection system a CCD camera, fluorescence imaging optical system, and image collecting board.

55. Acoustics, the geometric space figure that is made up of the acoustic foci of an acoustic lens, mirror, or other acoustic optical system and is the acoustic counterpart of an extended source of sound.

56. The Optical Transfer Function of an afocal aspherical and non-coaxial optical system is also calculated.

57. The results show that the monochromator is competent for the optical system of XAFS measurement.

58. According to the requirement of luminance measurement, the model of optical system was constructed and the optical and mechanical parts of illuminometer were designed.

59. In this paper, the common fault of optical system in the coordinate _ boring machine is analyzed.

60. This measuring system is composed of worktable, clamping and adjusting structure, optical system, digital camera, image card and computer. Picture 1 is system structure diagram.