1) virtual aperture
虚拟孔径
1.
Since the design of the conventional virtual aperture is too complicated,and the calculation is too expensive,a virtual aperture array synthesis method(mapping focus method,MFM) based on multiple carrier-frequency is proposed.
针对常规虚拟孔径系统设计复杂、运算量大等问题,提出一种多载频体制下虚拟孔径阵列合成方法———映射聚焦法。
3) virtual borehole
虚拟钻孔
1.
First, we constructed 3D model of strata by using Kriging algorithm on the basis of virtual borehole and other data; Second, in order to embody the results of virtual borehole modification and export knowledge in the flow of 3D model, we employed the method that can take full advantag.
地质体三维建模是地学信息系统核心课题之一,对现有建模方法进行分析,结合地层特点,提出首先引入虚拟钻孔,利用Kriging插值方法建立地层三维模型;其次把虚拟钻孔参数的调试结果及专家知识等资料在建模流程中予以充分体现,从而建立相对精确的三维地层模型;最后基于本文建模方法开发了一个三维地层模型,并用实际资料进行了验证,能有效满足工程需求。
2.
Concept of virtual borehole was import aim at this problem.
针对这一问题,文章引入了虚拟钻孔,用于增加数据点密度,有效控制三维形体边界。
3.
The high performance method of constructing virtual boreholes for models of stratigraphy under the platform of GMS was developed by this means.
物性反射层等深线数据文件与GMS中钻孔数据文件通过点的空间坐标相互关联,可高效地构建GMS中地层实体建模所需的虚拟钻孔。
4) virtual borehole
虚拟孔
1.
Based on the analysis of the source of modeling error,two approaches for error correction of 3D strata modeling from borehole data,called the cross-section method and the virtual borehole method,are presented.
在分析三维地层建模误差来源的基础上,提出并实现了两种误差修正方法:地质剖面修正法和虚拟孔修正法。
2.
To solve this problem,a conceptual model called virtual borehole is presented.
该文引入"虚拟孔"的概念并将其应用到实际的城市三维地层建模流程。
5) assumed window
虚拟窗孔
6) virtual channel (VC)
虚路径，虚拟信道
补充资料：虚拟
1.设想;虚构。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条