Azimuth/elevation direction finding using uniform circular array;
基于均匀圆形阵列的方位角与仰角二维估计
To answer a few commonly raised questions about the theory,based on basic concepts of optics,an easy access was proposed to the essentials of Chen s theory,such as its innovative "spinning plus elevation" rotations for tracking,its "row plus column" slave mirrors driving system for focusing as well as a few variants of different degrees of precision.
为回答对该理论的普遍存在的疑问,从光学的基本知识出发,尽量深入浅出地讨论这一理论的核心内容,如:自主创新的自旋+仰角跟踪方式,行+列驱动从镜聚光及其精度不等的不同模式,并评述该理论的优势和应用前景。
Based on the DTM(Digital Terrain Models) and combined with the feature of guided missile,this paper analyzes the impact of terrain undulating on the precision guided weapon from two aspects,including elevation parameter that faces to the slope of attack and relative position that the target is to the mountain s veil.
本文将在数字地面模型(DTM)的基础上,结合导弹的性能,从迎向打击山坡的仰角参数和目标与山体遮蔽点的相对位置两方面分析地形起伏效应对精确制导武器的影响。
Effects of the blade elevation angle of rotating-stream-tray scrubber on the wet calcium FGD process;
旋流塔板叶片仰角对湿钙法烟气脱硫过程的影响
decreased the elevation angle of the drum of the secondary blender and increased the rotating speed of the drum,which decreased the mixing time of materials and enhanced ball making efficiency of the mixing materials.
南钢烧结厂二次混合机通过降低筒体的仰角、提升筒体的转速,增加了混合料的混匀时间,提高了混合料的造球效率,介绍了设计中各种部件的选型和校核计算,该设备投产后大幅度提高了生产能力。
A GPS satellite coverage area is mainly discussed in this article including having elevation angles or not.
主要讨论单颗GPS卫星的覆盖区,包括有、无仰角两种情况,对有一定的仰角的卫星覆盖区的计算采用了更简洁的方法,指出《航海仪器》中出现的错误并进行了更正。