• Finally one method provided to amendment the fuzzy of one-dimensional range profile caused by the nonlinear phase difference.

    并且,根据实验结果给出了对相位差影响雷达距离像影响修正方法

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  • This paper introduce the fundamental principle of three dimensional range imaging techniques and their receive system based on correlative phase discriminator.

    论文介绍基于并行关鉴相原理测距成像系统基本原理,鉴相接收子系统设计方面内容。

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  • First, the basic expression of high-resolution one dimensional range profile of the stepped frequency (SF) is deduced to explain the high resolution of the wideband signals.

    首先,给出宽带雷达信号具有分辨能力直观解释推导频率步进雷达合成高分辨距离像的通用数学表达式

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  • Two methods are presented, one is based on the normalized central moments of one dimensional range profiles, the other is based on one dimensional scattering centers matching.

    提出基于目标平均距离像归中心目标识别方法和一种新的基于目标一维散射中心匹配的目标识别方法。

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  • Then, in the light of high-resolution radar target one dimensional range profiles, it is decomposed in multi-resolution and the multi-resolution feature description are obtained.

    然后提出可用于高距离分辨力雷达目标识别距离象多分辨分解目标结构特征的多分辨描述方法。

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  • On the basis of analyzing the features of one-dimensional range profile, an effective method is proposed, which performs amplitude average of the range profiles to obtain more stable patterns.

    分析距离特点基础上提出了采用非相关幅度平均一维距离获取稳定模式有效方法

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  • Multi DIMENSIONAL CLUSTERING (MDC) - organizing data in table (or range of a table) by multiple key values.

    MULTIDIMENSIONALCLUSTERING (MDC)——根据多个组织(一个中的范围)中的数据

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  • For best performance and minimal space consumption, we recommend using database partitioning, range partitioning, compression, and multi-dimensional clustering.

    为了获得更好性能最小化空间消耗我们建议使用数据库分区范围分区、压缩多维集群

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  • They range from cartoonish images on social networking profiles to three-dimensional-looking objects that people exchange in virtual worlds and on Web sites.

    这些虚拟礼物包括社交网络平台代表个人形象的卡通图像,以及人们可以虚拟世界网站上进行交换的三维视物体

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  • Tolerances cover dimensional variation and surface-roughness range and also the variation in mechanical properties from heat treatment and other processing operations.

    公差这个概念既包括尺寸偏差范围表 面粗糙度范围,包括热处理其它处理 作所引起的机械特性变化

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  • Einstein's elevator; Artillery range; Uniform acceleration and circular motion using dimensional analysis.

    爱因斯坦电梯炮火射程加速度圆周运动量纲分析

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  • Under a wide range of P and V value, there are very low friction coefficient and wear, high dimensional stability for coating-metal pairs and no any damage during the test of nylon coating.

    涂层较大PV范围内各类配副均具有摩擦系数磨损量以及很高尺寸稳定性;长期工作过程中,涂层出现任何破坏现象。

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  • The high range resolution principle and Doppler performance is analyzed. The effect of velocity and acceleration on one-dimensional high range resolution is calculated through simulation.

    分析其距离分辨原理多普勒性能通过仿真计算速度加速度一维距离高分辨影响

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  • Air route planning is a three-dimensional planning problem, with wide range, many objects and many constraints.

    飞行航路规划一个范围目标多约束的三维规划问题

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  • Moreover, for two-dimensional imaging, range resolution and cross-range resolution are also mentioned in the paper.

    此外对于二维成像距离分辨率方位向分辨率也是必须考虑因素。

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  • The range of motion(ROM) on six directions under different conditions was tested by spinal three dimensional analysis system.

    脊柱运动试验机上测试不同状态三维六个方向的运动范围

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  • The principle of obtaining one dimensional high resolution range profiles (HRRP) of a target is introduced, and a method of target detection and tracking based on HRRP is presented.

    本文阐述分辨率距离成像原理,提出一种基于目标距离像的目标信号检测跟踪方法

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  • Based on Z curve, the paper presents a method of grid partition, a procedure of partitioning search region, and a high-dimensional spatial range query algorithm.

    利用Z曲线聚类降维特性,本文给出网格划分方法搜索区域分解过程,提出一种高维空间范围查询算法

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  • To register multiple range images, we present a method for the pose estimation of multiple viewpoints for three-dimensional digital imaging system based on fringe projection.

    校准视场深度数据,提出基于条纹投影数字成像系统视点姿态估计方法

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  • This algorithm is based on high-order range model, which firstly corrects range walk in the process of range compression and then corrects range bending in two dimensional frequency domain.

    算法基于高阶距离模型首先距离压缩校正距离走动然后校正距离弯曲

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  • Combined with weighted filtration to successful sample points, it uses the method of sampling in three-dimensional space and range constraint to acquire three-dimensional coordinates of nodes.

    为了减小定位误差提高算法适应性,利用空间抽样范围约束方法,并结合成功样本的加权筛选,获得节点的三维估计坐标实现抽样定位。

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  • Distance resolutions and noises are analyzed experimentally for long-range three-dimensional (3d) active imaging systems that have signal-to-noise ratios (SNRs) more optimal than 30:1.

    分析了信噪大于30:1的远距离三维成像系统的噪声距离分辨率。

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  • Two-dimensional metallic photonic crystal in THz range was constructed.

    构造一种适用赫兹器件的二维金属光子晶体结构。

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  • The factors and principles to establish evaluation criteria are put forward. The criteria of appearance defects, dimensional precision, weight range and process parameters are set up.

    提出建立评价尺度应考虑因素评价指标的选取原则建立外观缺陷尺度精度件重范围过程变量评价尺度。

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  • For two dimensional inverse electromagnetic field problems, the range of movable points is extended by use of high order finite elements.

    本文优化区域边界电磁场问题中,应用有限元,增大变动节点变化范围

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  • The velocity measurement of 2-dimensional motion is realized through target radial moving information measured by two times range finding to improve the shooting precision.

    测距目标径向运动信息实现目标二维运动速度测量改善射击精度

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  • Lower dimensional AFH models show some novel properties such as quasi-long-range-order, spin gap, quantum phase transition, etc.

    由于低体系中有很强的量子涨落,使这些体系呈现出许多新奇特性会有自准长程序、自旋能、量子相变现象。

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  • The manipulator is capable of finishing various operations in a three-dimensional space and can carry an object from one azimuth to another azimuth within certain spatial range.

    机械手三维空间完成各种作业,在一定空间范围内物体方位搬运另一个方位。

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  • Result: the three-dimensional image can show the position, range, shift and rotation of the fracture, exactly and angularly.

    结果:螺旋CT三维影像立休、精确、多方位地显示骨折部位范围移位旋转等情况。

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  • A high precision three-dimensional micro displacement test platform was set, and the measuring range, linearity and displacement error of the probe were tested and verified by experiments.

    搭建高精度三维位移测试平台测量范围线性、位移误差进行了实验验证

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