A simple calibration model was developed for digital fringe projection profilometry(DFPP) based on absolute phase extraction and space mapping techniques to simplify the measuring system.
建立了数字光栅投影轮廓测量系统的简易标定模型，以实现测量系统的简便化和便携式应用。
The computer simulation of the distribution of the imaging space illumination under different parameters gives a straightforward proof of the imaging principle applied in this projection system.
经过模拟分析在不同参数条件下投影系统的空间光照度分布情况，直观地验证了上述投影系统的成像理论。
This paper introduces the study on omni - directional vision system calibration method using central catadioptric projection property of space line.
利用空间直线的中心折反射投影的特性对全维视觉系统的标定方法进行了研究。
Then, by introducing a corresponding Krein space stochastic system and applying projection and innovation analysis, the minimum of indefinite quadratic form and its existence condition are derived.
引入相应的格林空间随机系统，应用格林空间投影理论和新息分析方法，得到了不定二次型的最小值及其存在条件。
In this paper, the orthogonal projection approximation subspace tracking (OPAST) is employed for channel estimation and space-time multiuser detection in space-time block coded MIMO system.
文章提出在空时分组编码的MIMO系统中利用OPAST这种子空间追踪算法进行盲空时多用户检测。
After the Galerkin projection of matrices into the reduced basis space, a reduced system was obtained and can be solved efficiently. The reduced solution was obtained.
最后，将原问题的减缩解映射回原空间，在保证了效率和精度的前提下得到了原系统的近似解。
Our system is composed of multi-projection screens and offers a channel to reach-into the molecular space in an immersive and interactive environment.
系统基于多投影无缝拼接技术提供了具有高度临场感的虚拟环境，使学生沉浸在虚拟的分子、原子模型结构中学习生化分子的有关知识。
Our system is composed of multi-projection screens and offers a channel to reach-into the molecular space in an immersive and interactive environment.
系统基于多投影无缝拼接技术提供了具有高度临场感的虚拟环境，使学生沉浸在虚拟的分子、原子模型结构中学习生化分子的有关知识。
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