Spherical Harmonic Representation of Extended Distance Feature for 3D Model Retrieval

1、

The electromagnetic ( EM) field distribution inside a spherical uniform current_carrying region is solved analytically. The average stream density of energy and the total power through the spherical surface are evaluated.

解析地求解了在球形均匀电流源区的电磁场分布，计算了源区平均能流密度和通过球体表面的总辐射功率。

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2、

Algorithm Study of Image Segmentation and Parameters Calculation for Spherical Overlapping Region Image

球状重叠区域图像分割与参数统计算法研究

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3、

Facing tens of thousands of measurement data in the digital modeling, the time cost of a data processing algorithm depends greatly on some elementary operations, such as closest point query, orthogonal region query, spherical region query, and so on.

面对数字建模中数以万计的测量数据，最近点查询、正交区域查询、球域查询等基本操作对数据处理算法的计算效率有很大影响。

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4、

Static Analysis of Prestressed Spherical Cable Network Supporting Reflector of Large Radio Telescope FAST

大射电望远镜反射面全球面张拉索网体系静力分析

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5、

The peak power, the frequency output and average power output of the spherical mirror trihedral reflector set with different output angles is measured with the particle simulation method.

用粒子模拟的方式研究了球面镜三反射镜在设置不同角度输出口的情况下的峰值功率、频率输出以及平均功率输出。

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6、

The mode coupling between laser cavity and ring resonator has been realized by using a spherical reflector. The results of frequency difference measurement for the elliptically polarized light and its experimental installation are presented. The nonlinear measuring errors by PZT have been eliminated through nonlinear coordinates transformation.

采用球面反射镜实现环形腔的本征模式与激光束注入模式的匹配，给出实验装置及偏振光频差测量结果，并通过非线性坐标变换消除了压电陶瓷PZT的非线性对测量结果的影响。

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7、

By extending the application of the kernal expansion-truncation technique to the non-confocal resonator, the diffraction losses and the field distributions over the spherical reflector for a series of modes are obtained numerically.

本文把核展开截断法推广到非共焦腔，对于共焦腔和非共焦腔的一些模式的衍射损耗和反射器表面上的场分布函数进行了计算。

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8、

Given the requirement of precision in installing the infrastructure, actuators and active spherical reflector, which is made up of aluminum boards, the author puts forth a scheme for positioning in installation.

根据射电望远镜安装背架、促动器及主动反射面铝板的精度要求，提出了安装定位的测量方案；

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9、

This paper discusses the principle of the concentrating property of the spherical reflector, derives the light energy distributing function, and gives the design of the heat energy receiver.

本文讨论了球面聚光镜的数学原理，导出了光能密度分布函数，并提出了热能接收器设计方案。

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10、

Radio telescope with fixed spherical reflector

固定球面射电望远镜

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11、

A theoretical criterion is provided for adjusting the output signal when the sensor is used on a spherical reflector.

为反射式强度型光纤位移传感器应用于球形反射面时的输出校正提供了一定的理论依据。

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12、

Research of lightweight honey-comb hole structure of spherical reflector of spaceborne sensor

遥感器球面反射镜蜂窝孔轻量化优化设计

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13、

Numerical analysis for surface deformation of a spherical reflector in thermal environment

球面反射镜镜面热变形的数值分析

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14、

Then using spherical stress wave reflection and transmission theory under the state of medium-high velocity the formation of spot in the ceramic back.

其次，在中高速撞击条件下，利用球面应力波反射迭加理论，分析了陶瓷背面的层裂的形成；

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15、

Selection of Substratum Shapes of Spherical Primary Reflection Mirrors

球面主反射镜基体形状选择

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16、

In this paper, the general designing project of this machine, the calculation of 1: 1 dual spherical reflection system and some results of geometric aberration and optical transfer function ( OTF) are described.

1双球面反射系统的计算概要；一些几何象差和光学传递函数的计算结果。

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17、

Small holes are arranged on the spherical reflecting mirror and the crossing portion of the spherical reflecting mirror and the long shaft of the ellipse, and the small holes are lamp holes.

在上述球面反射镜上，在其和椭圆的长轴相交处开一小孔，即为灯口。

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18、

Neutronics design for a Spherical Tokamak fusion transmutation reactor

球形托卡马克聚变嬗变堆中子学设计

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19、

One of the possible midway application of fusion energy to transmuting nuclear wastes produced from nuclear power plants by utilizing the energetic fusion neutrons based on spherical tokamak reactor has been discussed.

本文探讨作为聚变能中间应用的一种可行性：利用低环径比球状托卡马克堆的高能聚变中子嬗变核电站的核废物。

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20、

Influence of parameters such as attenuation coefficient, velocity of sound, and temperature of medium on focusing sound field generated by a self-focused concave spherical radiator has been studied through numerical simulation with Ray-leigh integral.

以凹球面自聚焦超声换能器为例，用瑞利积分进行数值模拟计算，研究声衰减、声速、温度等参数对声聚焦的影响，并对不同生物组织中声聚焦的特点进行了比较。

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