aperture造句
61. Effective relative aperture of the lens aperture (beam diameter) and the ratio of focal length.
62. Synthetic Aperture Radar (SAR) gains a high-resolution radar image by compressing the Doppler echo in azimuth direction and the linear frequency modulation (LFM) signal in range direction.
63. In addition, it is certificated that the passive synthetic aperture sonar array can realize effectively long distant source localization by normal-mode filtering method.
64. Some characters indicate that the pollen aperture of genus Osmanthus is on the transitional stage from simple to compound apertures in Oleaceae.
65. Thermal Transfiguration Analysis for the Large Aperture Optical Element of Switchyard in ICF Driver Target Area.
66. There were some normal nasal structures which were susceptible to be confused with fracture, such as bone suture, internasal aperture, intersuture bone, and normal variations.
67. Approximately, we assume their tracks are parallel lines in a synthetic aperture time.
68. The echo signal simulation is very important to the study of the SAR system and the imaging methods are the foundation of the technology of Synthetic Aperture Radar (SAR) simulation.
69. Based on the OTF, relations between the effective diameter of three aperture system and pupil parameters including the diameter of sub-apertures and spacing parameter are analyzed.
70. By this way we can design high diffraction efficiency, as well as lager numerical aperture diffractive lens under current machine fabrication condition.
70. Wish you can benefit fromand make progress everyday!
71. Coupling efficiency can be maximized by optimizing the relative aperture of coupling lens.
72. This provides theoretical basis for reasonably selecting aperture of optical transmitting antenna.
73. In this paper, the radar equation of Synthetic Aperture Radar(SAR) in electronic interference or jamming environment is presented.
74. We must design the ratio of the source beam size and aperture of object lens reasonably to assure energy matching ratio (EMR) and to achieve smaller size of focus point and reasonable focus depth.
75. Aperture the well-set sex that cooperates to be able to affect ambry casing with precision.
76. The radiation fields and the design of coaxial biconical antenna are obtained with the field of equivalent Huggens source on the spherical surface aperture.
77. Motion picture Program mode that lets you change the aperture and the shutter speed for more creative HD movie recording.
78. The diffraction phenomena by a circular aperture or a phase plate is analyzed by the boundary diffraction wave theory, the analytic expression of its axial intensity is obtained.
79. Increasing the porosity and aperture of diffusion layers can increase the limiting current density of fuel cells.
80. From the Helmholtz equation, the optical field analytical expression of an ultrashort pulse propagating through a small aperture lens was acquired with chromatic and spherical aberration.
81. The experimental results show that acoustic resistance of perforated plate is related to plate thickness, aperture diameter, numbers of aperture, acoustic frequency and airflow velocity.
82. Put the camera in aperture priority mode and go for the largest aperture you have: probably f/3.5. Frame a tight shot and take the picture.
83. A 3-D dynamic displacement field is studied and tested by use of two sets of rotation aperture spackle photographic system.
84. The two shortcut modes are aperture priority mode ("A" or "Av"), and shutter priority mode ("S" or "Tv"—literally "time value").
85. The circular aperture antenna which is an open-ended circular waveguide stimulated by TE11 mode is analyzed.
86. Some parameters, such as the diffraction aperture, the diffraction distance and phase levels of Kinoform, are discussed. They are key factors to the variable focal-length phase Fresnel lens.
87. So that incomplete image comes up but it can be solved by making thicker and wider lines at a loss of aperture ratio.
88. A good performance SAW convolver was designed using small aperture transducer and multi tapped waveguide.
89. Objective lens of beam expander with a high-order curved surface can correct aberration for a deep relative aperture lens.
90. The aperture restrictor is an important component in the hydrostatic support system.
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