• When the formulas are applied, the scale of the observation system due to the large focus aperture Angle must be enlarged, or else the empirical formula will be invalid.

    实际应用中由于聚焦孔径加大观测系统范围也必须相应加大,否则经验公式失效

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  • The effect of some factors on the transmissivity of fiber optic image inverter is analyzed, and the relation of the transmissivity between radial position and aperture angle is given.

    本文论述光纤倒扭转光学纤维形状和尺寸及其特别的光性能。

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  • The main parameters that effect horizontal resolution of migration imaging were identified as medium velocity, dominant frequency of seismic wavelet and aperture Angle of migration processing.

    结果表明,影响偏移成像水平分辨率主要参数介质速度地震子波主频偏移处理孔径

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  • The Angle of conical structure and the distance of round aperture were adjusted, the structure and production of distribution blade of blender were improved.

    调整倒锥体角度缝隙距离改进了搅拌器分散叶片结构制作

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  • The essence of the fact that wideband signal can not be effectively transmitted using narrowband phased array in scenarios with large aperture and scan Angle is given.

    线性调频信号为例,揭示窄带相控孔径宽扫描角情况下不能有效发射宽带高分辨信号实质

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  • The quantity in relation to the coupling efficiency of an optical fiber:lasing mode, divergence angle, numerical aperture, focal diameter and precision optical fiber coupler are discussed.

    围绕光纤耦合效率相关激光模式发散数值孔径焦斑直径精密光纤耦合器等问题进行了讨论;

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  • The two key problems in inverse synthetic aperture radar imaging; phase compensation and small - Angle imaging are studied.

    合成孔径雷达成像中的相位补偿角度成像两个关键问题进行了讨论。

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  • Special Angle strengthened bit design intensifying blade protection and quickly leading powder into screw groove, which reduce resistance and improve in-aperture speed.

    特殊角度强化刀头设计强化保护粉末快速导入螺旋沟槽减少阻力提高速度。

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  • Screen length, incline angle, and screen-aperture are the most important screen parameters, which directly relate to the capacity and efficiency of the screen.

    长度倾角孔孔径重要筛面参数,与筛分机的处理能力和筛分效率有着直接关系。

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  • Based on ASTF the influence of such parameters as tip-sample distance, tip aperture diameter and the incident Angle of illuminating laser beam on PSTM image has been discussed.

    进一步根据角谱传递函数计算了不同样品光子扫描隧道显微镜理论图像分析探针样品间距、探针孔径大小、照明入射角光子扫描隧道显微镜成像影响

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  • With wide-angle images, you will need to move both Aperture and Shutter Speed readings to get a blue background that is pleasing to you.

    在拍摄广角的时候,最好同时调整光圈快门速度达到看起来正常的蓝色背景

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  • VRT could clearly display full aperture of screw orbit, location of screw and angle of fixation and hence was superior to X-ray plain film and MPR.

    VRT成像清晰显示螺钉轨道全径、螺钉位置固定角度优于X 线及MPR成像。

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  • It has the characteristics of the small volume, light weight, high aperture efficiency and low wide-angle minor lobe and so on.

    具有体积重量轻、口径效率高宽角低等特点

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  • The projection optics is designed for a constant field angle and entrance pupil. Thus image always fills entrance aperture and view field of the test optical system.

    光学指标确定,结构、材料的选取到最终光学性能,阐述了准直投射光学系统的设计

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  • The paper introduced radiation heat-transfer speciality of radiant porous body, and analyzed radiation Angle coefficient of radiant porous body with square aperture by using numerical differentiation.

    介绍辐射多孔辐射传热特性采用微分法方形孔道辐射多孔体的辐射系数进行数值分析。

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  • The paper introduced radiation heat-transfer speciality of radiant porous body, and analyzed radiation Angle coefficient of radiant porous body with square aperture by using numerical differentiation.

    介绍辐射多孔辐射传热特性采用微分法方形孔道辐射多孔体的辐射系数进行数值分析。

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