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- In order to improve the coverage rate of positioning,the located sensors work as anchors and also broadcast positioning information to neighbor sensors using omnidirectional antenna. 為了提高定位覆蓋率,已定位節點(diǎn)升級為錨節點(diǎn),利用裝配的全向天線(xiàn)為未定位的鄰居節點(diǎn)提供定位信息。
- In satellite communications, pertaining to antenna systems with a beam for maximum cover of the earth's surface. 在衛星通信技術(shù)中,指天線(xiàn)系統其波束能最大程度地覆蓋地球表面的區域。
- Capacity existing in the circuit and consequently the resonant frequency of the antenna system. 天線(xiàn)尺寸決定回路中的電感量和電容量,從而也決定天線(xiàn)系統的諧振頻率。
- A device that permits the simultaneous use of a transmitter and a receiver in connection with a common element such as an antenna system. 一種設備,允許同時(shí)使用連接在一個(gè)公共器件(如天線(xiàn)系統)上的接收器和發(fā)送器。
- A microstrip array antenna is designed and manufactured to work as the feed of the Cassegrain antenna system. 研制了一個(gè)用作卡塞格倫天線(xiàn)系統的饋源的微帶天線(xiàn)陣。
- Loads distort every component of the structure of the Cassegrain antenna system. 載荷使卡塞格倫天線(xiàn)結構的每個(gè)部分發(fā)生變形。
- The Dual Trailing Wire Antenna(DTWA) on an Aircraft antenna system is used to transmit VLF/LF messages to submarines. 機載甚低頻天線(xiàn)系統中的雙拖曳天線(xiàn)是用于對潛通信VLF/LF的發(fā)射天線(xiàn)。
- Design of Omnidirectional Antenna for Radar Beacon 雷達信標全向天線(xiàn)設計
- In this paper, Genetic algorithm is used to design the sectored array antenna in smart antenna system. 使用遺傳算法(GeneticAlgorithm)設計了智能天線(xiàn)系統前端的扇區天線(xiàn)陣列。
- vertical stacked omnidirectional antenna 垂直疊排全向天線(xiàn)
- omnidirectional antenna pedestal 全向天線(xiàn)座
- Only a properly matched antenna system will allow maximum power transfer from the 50 transmission line to the radiating element. 只有一個(gè)匹配合適的天線(xiàn)系統才能在發(fā)射時(shí)使能量充分輻射出去。
- A microstrip reflectarray cylindrical Cassegrain antenna system is designed, which has an fixed beam deviation angle in the azimuth. 設計了一個(gè)微帶反射陣柱形卡塞格倫天線(xiàn)系統,使該天線(xiàn)系統在方位面方向產(chǎn)生了固定的波束偏移。
- An optimized medium access control protocol, OD-DCF is proposed to support both smart adaptive array antennas and normal omnidirectional antennas simultaneously in one WLAN. 摘要提出優(yōu)化的媒體接入控制協(xié)議OD-DCF,可以在一個(gè)無(wú)線(xiàn)局域網(wǎng)內同時(shí)支持智能自適應陣列天線(xiàn)和全向天線(xiàn)。
- The composite channel models of the generalized distributed antenna system (GDAS) such as Rayleigh-lognormal fading are studied. 摘要首先對廣義分布式天線(xiàn)系統的復合信道模型,如瑞利對數正態(tài)衰落信道模型,進(jìn)行了分析。
- An angle diversity antenna system utilizes a first antenna, a second antenna, and a panel combiner coupled to the first and second antenna. 一種角分集天線(xiàn)系統,利用第一天線(xiàn),第二天線(xiàn),和一個(gè)與第一和第二天線(xiàn)耦合的面板組合器。
- The application of OEIC in Phased Array Antenna will reduce the cubage, heavy and cost of antenna system, and advance security of it. 將集成光學(xué)技術(shù)應用于相控陣天線(xiàn)可以大大縮小系統體積、降低重量及成本,提高系統可靠性。
- Nonlinear electron transport and heat dissipation except for the antenna system were also important photoprotection ways for E. japonicus in winter. 同時(shí)非線(xiàn)性電子傳遞和天線(xiàn)系統之外的能量耗散是大葉黃楊越冬過(guò)程重要的光保護機制。
- Manufacture Technology of an Omnidirectional Antenna 一種全向天線(xiàn)的制造工藝技術(shù)
- This paper proposes the optimum detection algorithm for a multiple antenna system based on the Maximum A Posteriori (MAP) criterion. 該文基于最大后驗概率準則,給出了垂直分層空時(shí)碼的最佳檢測箅法。