1) without grating lobes
无栅瓣
2) grating lobe
栅瓣
1.
For constant amplitude homogeneous array,a new subarray whose configuration is simple is proposed,and its grating lobes unobvious and its adapted antenna pattern close to that of the full optimum processing by confusing the periodicity of subarry and maki.
本文针对等幅均匀线阵提出了一种新的结构简单的子阵,并且通过打乱子阵排列的周期性以及保证各子阵输出噪声功率相等,该子阵的栅瓣效应几乎可以忽略且其自适应方向图保形良好。
2.
The spacing between elements in a planar phased array antenna are determined under no grating lobes in a given scan coverage.
基于平面相控阵天线单元间距由设定的扫描空域中不出现栅瓣条件确定,分析了在选定矩形栅格和三角形栅格的阵列单元间距后,平面相控阵天线的极限扫描空域,揭示了相控阵天线尚未被充分利用的扫描资源。
3.
The effects of loaded dielectrics, lattice shape and angle of incidence on onset of grating lobes an.
通过一些具体阵列,研究了介质加载、栅格外形以及入射角对栅瓣出现和表面波频率的影响,得到一些有意义的规律,为频率选择表面结构电性能设计提供了依据。
3) grating lobe
光栅波瓣
4) Grating lobe pattern
栅瓣图
5) Sonneratia apetala
无瓣海桑
1.
Whether or Not the Sonneratia apetala B.Ham Plantation Caused Biological Invasion in Jiulong River Estuary;
无瓣海桑造林是否造成九龙江口生物入侵的探讨
2.
Accumulation and Cycle of Heavy Metal in Sonneratia apetala and S.caseolaris Mangrove Community at Futian of Shenzhen,China;
深圳福田红树林无瓣海桑与海桑群落的重金属累积和循环
3.
Effects of Using Sonneratia apetala to Control the Growth of Spartina alterniflora Loisel;
无瓣海桑对互花米草的生态控制效果
6) Apetalous
[英][ei'petələs] [美][e'pɛtḷəs]
无花瓣
1.
Genetic Map Construction and Apetalousness QTLs Identification in Rapeseed (Brassica napus L.);
甘蓝型油菜遗传图谱构建与无花瓣性状QTL定位
2.
Breeding of Apetalous Line APL03 with Short Plant Height in Brassica napus;
甘蓝型油菜无花瓣矮秆新种质APL03的选育
3.
Characteristics of the Photosynthesis of SCU Apetalous Line Apet33-10, Brassica Napus;
SCU无花瓣油菜光合生理特性研究
补充资料：X线滤线栅半径
X线滤线栅半径
放射学术语。又称栅-焦距。呈弧形排列的滤线栅铅条与充填物高度的延长线于空间聚焦为一点，此聚焦点到栅平面的垂直距离为栅-焦距。用于聚焦式滤线栅。栅-焦距有75、90、100、120、200cm 几种。使用聚焦式滤线栅时，原则
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