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- Based on the limitation of formation of parasitic spaceborne SAR system,this paper studies application of coarray in anti-jamming technique for ultra sparse arrays. 针对寄生式星载SAR系统抗干扰时编队构形的限制,研究了优化阵列在超稀疏构形抗干扰中的应用。
- Research on Synthesis of the Linear Sparse Arrays 非均匀线天线阵优化布阵研究
- With the help of statistic principle, the estimtion ormulas ofthe antenna gain loss, beam width and siedlobe level in sparse array are derived. 应用概率统计原理,导出了具有幅相误差、元失效时稀疏阵天线阵增益损失、束宽度、向、瓣电平的估计公式、得出一些有益结论。
- This paper analyzes the effects of amplitued-phyase errors and element failure on antenna gain, beamwidth, beam direction, and sidelobe level in sparse array. 围绕天线阵增益、束宽度、向和副瓣电平等指标,分析了幅相误差、元失效对稀疏阵列天线性能的影响。
- A synthesis technique for linear sparse arrays with optimization constraint of minimum element spacing 一种有阵元间距约束的稀布阵天线综合方法
- A FORTRAN language statement used to define arrays. 在FORTRAN语言中用于定义数组的语句。
- sparse arrays 稀布阵
- Estimation of the Clutter Rank of Space-Based Sparse Array 天基稀疏阵杂波自由度分析
- The television coverage of the event was rather sparse. 电视上对这件事报道很少。
- They always spar over trivial matters. 他们总是为一些小事而争吵。
- A ring or collar of rope used to hoist spars or prevent fraying. 索环一环或一圈绳子,用来升起桅杆或防止磨损
- She went in to fix the sparse evening meal. 她走进屋去准备简单的晚餐。
- The tide washed in some broken spars. 潮水冲来几根折断的桅杆。
- U.S. presidential campaign ads spar over education. 美国总统竞选广告就教育议题进行争辩。
- The crops on this plot are sparse. 这块地的庄稼长得稀稀落落。
- Tenasserim had a very sparse population. 丹那沙林人口密度不大。
- The rope, rod, or spar on which such a ring moves. 环可供这种环移动的绳子、竿子或圆材
- The data on Argentine incomes are sparse. 有关阿根廷国民收入的资料不多。
- The rope,rod,or spar on which such a ring moves. 可供这种环移动的绳子、竿子或圆材。
- This is a country of sparse population. 这是个人口稀少的小国。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries