Design and realization of circular polarization microstrip antenna 圓極化微帶天線的設計與實現(xiàn)
A circular polarization microstrip antenna with the shape of polygonal 正多邊形貼片圓極化微帶天線
Circular polarization mode 圓極化波模
Optimization design of dual - feed circular polarization patch antenna based on feeding correction 用饋電校正優(yōu)化設計雙饋點圓極化微帶天線
Paper research grating parameter and performance . firstly , the paper confirm grating ’ s size base on grating circular polarization ’ s basic theory 本文首先根據(jù)圓極化器的基本理論確定了光柵條幾何尺寸的范圍。
Gained same data with literature . paper based cascade scatter matrix field matching equation . program currency frame grating programme . obtain several design project of high power and high efficiency grating - circular polarization 分析了薄片型光柵圓極化器的傳輸特性和極化特性,數(shù)值計算的結(jié)果與文獻給出的實驗測得結(jié)果具有較好的一致。
Then , establish electric field and magnetic field matching equation of space and plate wave - guide . program about slice - grating - circular polarization . . analyse its transmit characteristic and polarization characteristic 然后運用單極模匹配方法建立空間場和平板波導場的電場和磁場匹配方程,編制分析薄片型光柵圓極化器的程序,得到仿真結(jié)果。
In the purpose of enhance the circular polarization , the sub - array have used a phase transfer circuit which made each patch have 90deg phase difference in turn . matching branches are added to the full array to enhance the bandwidth of the antenna 在4單元天線子陣的設計過程中采用了移相電路,使4單元間的相位依次相差90 ,展寬了天線的圓極化軸比帶寬。
This paper presents detecting technology status of circular polarization and evolvement of dual - linear polarization , and new application to detecting atmosphere of polarimetric technology , and prospects future meteorological application of polarimetric detecting technology 介紹了微波圓偏振技術(shù)現(xiàn)狀和雙線偏振測量技術(shù)體制的重要進展,以及近年在氣象應用中所獲得的最新研究結(jié)果,展望了偏振探測技術(shù)的應用前景。
In the analysis of log - periodical antenna the concept of diagonal field symmetric is introduced for the first time , and hence the calculating mesh size is reduced to half . in the calculation of circular polarization microstrip antenna , the effect of finite substrate is described 在對數(shù)周期天線的分析中,首次引入了對角線場對稱的概念,使得計算區(qū)域減小一半;在圓極化微帶天線的計算中,詳盡地討論了介質(zhì)截斷的大小對天線性能的影響。