• The effects of temperature to phase, crystallization degree and aperture distribution are examined.

    研究温度物相结晶度孔径分布等的影响。

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  • The higher accuracy of measuring the Doppler frequencies, the less error of the aperture distribution.

    多普勒频率精度,反演口径分布误差

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  • More - over, some important properties of optimal aperture distribution and diffraction pattern are also obtained.

    本文推导了最佳口径分布若干重要性质

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  • The sorption agent has an integral type self-supporting metal oxide framework, high specific surface area and even aperture distribution.

    吸附剂具有整体式自支撑金属氧化物骨架结构表面积孔径分布均匀。

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  • The third content of the paper is the method which implements the low side-lobe phased array antenna with different aperture distribution.

    文中第三个研究内容不同口径分布实现相控天线方向图方法

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  • The analysis and correction of the errors on the method of reconstructing aperture distribution by using array weighting are given in this paper.

    本文阵列加权反演口径幅相分布方法所引起误差进行了分析,并提出校正方法。

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  • Simulation results show that besides aperture distribution at element level and subarray level, the overlap ratio mainly decides the sidelobe performance.

    仿真结果表明叠加结构中,除了在子阵单元级使用加权分布降低副电平外,子阵叠加决定阵列的副瓣性能

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  • When a target is placed in the focal plane of a focused aperture antenna, the backscattered power from the target may be greatly enhanced by properly choosing the aperture distribution.

    目标处于聚焦天线平面上时,通过选择口径分布提高目标后向散射功率

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  • The problem of calibration of aperture distribution and diagnoses of faults is very important to assure the proper performance of the radar in modern large active phased array radar systems.

    现代大型雷达天线系统口径分布故障诊断保证雷达的正确性能非常重要

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  • The aperture field distribution of the ring focus antenna is reviewed in view of the energy conservation law, and the simple formula for calculating its radiation pattern is deduced.

    该文从能量守恒观点出发,讨论了副面为椭圆天线口径分布导出了计算方向简单表达式

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  • The energy distribution of far field spot for annular aperture Gaussian beam is discussed and the fitting expression is given.

    讨论环形孔径高斯光束光斑能量分布给出拟合表达式

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  • Many formulae used to calculate fixed phase distribution for the array lens, configuration curve of the dielectric lens and aperture phase of a feed phased array are derived.

    给出计算阵列透镜介质透镜外形曲线和平面相控阵天线孔径相位若干计算公式。

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  • The system can also be applied to measurement of numerical aperture of polymer optic fiber and characterization of the refractory index distribution.

    系统实现聚合物光纤数值孔径测量折射率分布表征等

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  • Secondly, on the assumption that the phase error on the aperture led by the random surface error obeys the Gaussian distribution with zero mean, the expression of the average power pattern is deduced.

    然后设定随机表面误差引入口径相位误差服从均值分布的条件下,推导了天线平均功率方向图的计算公式

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  • The reflectivity measurement system makes it very easy to measure reflectivity distribution on large aperture components.

    系统的使用大大简化了元件表面反射率分布测量

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  • For the focusing current distribution over the antenna aperture, the authors have got the field distribution diagrams of the focus and around it.

    对于天线面上聚焦电流分布,求得了聚焦点及其周围附近分布。

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  • The axial intensity distribution of Hermite-cosh-Gaussian (HChG) beams passing through a system with the aperture and lens separated is studied numerically.

    双曲余弦高斯光束通过透镜分离系统上光强分布做了详细的数值分析。

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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 near-axis field distribution of circular aperture antennas is obtained by numeric integration method.

    采用数值积分方法分析了口径天线非轴分布特性。

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  • In the internal capsule, the distribution of microvascular has the same direction with the nerve fibre, and the diameter of the microvascular is wider, the aperture of meshes is larger.

    囊中微血管分布神经纤维走行方向一致,其管径粗,网孔较大

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  • We considered intensity distribution of light focused by a high numerical aperture lens without spherical aberration through a planar interface between materials of mismatch refractive index.

    采用矢量衍射理论 ,研究场振幅为高斯分布平面波入射数值孔径物镜上 ,折射率配对共焦显微术的影响 ,并进行数值模拟。

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  • The near field properties of circular aperture antennas with Gaussian amplitude distribution are analyzed by the aperture field integration method in this paper.

    采用口径法对具有高斯幅度分布口径天线辐射进行了分析。

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  • On the basis of field geology survey, the probability distribution function of joint aperture is fitted and the availability of the fitting is verified.

    现场地质调查基础上节理开度概率分布函数进行了合,进行了假设分布的有效性检验

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  • The diffraction modulation of ultrashort pulsed-laser is less than that of CW laser, so only serrated aperture can be used to get uniform near-field uniform intensity distribution.

    和单色激光衍射不同,宽带飞秒光束衍射调制较小,直接利用锯齿光阑,便获得场光分布相对均匀的光束。

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  • This paper deals with an investigation of intensity distribution of the partially coherent Bessel beams focused by an aperture lens.

    研究部分相干贝塞尔光束经过透镜聚焦光强分布

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  • In this paper, a new method, which USES only one phase aperture to obtain uniform distribution from Gaussian beam, is proposed, the calculation results are given.

    本文提出只用个简单的相位实现高斯光束强度均匀化方法给出了计算结果

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  • The light intensity distribution of diffraction of circular aperture was investigated by numerical analysis.

    利用数值分析方法分析了边界波理论公式所得的圆形衍射场的光分布

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  • The light intensity distribution of diffraction of circular aperture was investigated by numerical analysis.

    利用数值分析方法分析了边界波理论公式所得的圆形衍射场的光分布

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