智能天線陣 的英文怎麼說
中文拼音 [zhìnéngtiānxiànzhèn]
智能天線陣
英文
intelligent antenna arrays- 智 : Ⅰ名詞1 (智慧; 見識) wisdom; intelligence; knowledge 2 (姓氏) a surname Ⅱ形容詞(有智慧; 聰明...
- 能 : 能名詞(姓氏) a surname
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 陣 : Ⅰ名詞1 (作戰隊伍的行列或組合方式) battle array [formation]: 布陣 deploy the troops in battle fo...
- 智能 : intellect; intelligence; mind; brain power; intellectuality; mentality; noopsyche; brow智能測試 i...
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Smart antenna has been widely researched in communication and signal processing, the adaptive beamforming algorithm is the key technique of smart antenna. it could adaptively steer the array directional pattern to form the main narrow beams with high gain in the direction of the users " signals while deeply nulling the interference signals. it is an effective way to realize the optimal receiving of the interesting signals
智能天線技術是目前通信和信號處理等領域的研究熱點,自適應波束形成演算法的研究是智能天線的一個關鍵技術,它能夠自適應地控制天線陣方向圖在用戶信號方向產生高增益窄波束,在干擾信號方向產生較深的零陷,是實現用戶信號最佳接收的有效方法。The smart antenna, which is adapted in the wireless mobile communication system, in fact, forms an antenna with a high gain. thus communication in all directions can be proceeded, then base station antenna coverage, system capacity and service quality are improved, also inter - symbol interferes and multi - access interfere are reduced. the space division multiple access ( sdma ) is introduced, and users can be distinct from each other through their special location
在無線移動通信系統中採用智能天線技術,實際上是通過數字信號處理,使天線陣為每個用戶自適應地進行波束賦形,相當于為每個用戶形成了一個可跟蹤它的高增益天線,從而即可以進行全方位通信,也可以用較小的發射功率覆蓋相同的范圍以及提高系統容量和業務質量、降低用戶間的碼間干擾和多址干擾。In this thesis, we introduce the smart antennas and mainly examine the performance enhancements that can be achieved by employing sa in scdma wireless access system. in the part of introduction of smart antennas, we discuss the switched - beam arrays realizing by mending butler network at first. then we compare the different beam forming algorithms in sa
在對兩大類智能天線系統的介紹中,本文首先討論了一種以改進的butler網路實現波束賦形的多波束切換系統,推導了該天線陣的饋電模型並給出了模擬結果;然後,本文對智能天線波束形成演算法進行了比較,總結了不同演算法的優缺點,並給出具有代表性的演算法描述與模擬。Associated with three research projects, this work is mainly concerned with array elements, array structure and calculations of array impedances versus operating frequencies. in the dissertation, the author ' s major contributions are as follows : a new types of array structure, known as circular reflection array, is proposed and studied. a detailed analysis to the new structure with two cases is presented
本文緊密結合「十五」國防預研「軟體無線電天線」和海軍預研「智能天線在艦艇上的應用」及「機載微帶天線」等項目,著重對智能天線陣列的陣列單元、陣列結構、陣列阻抗的頻率特性計算等技術進行了分析和研究,所取得的主要成果如下: 1Design of a circular smart antenna array and its calibration network
一種圓形智能天線陣列與校正網路的設計The smart antenna array calibration is one of the key techniques which are able to improve system performance
智能天線陣列校正技術是保證wcdma系統性能的關鍵技術之一。In the first part, performance comparison of two different smart antenna systems is analyzed in uplink ; the inherent advantages and disadvantages are evaluated with channel complexity considered
一是針對上行研究了兩種不同智能天線陣列系統的應用性能比較,考慮了通道環境復雜性的影響,綜合評估這兩個不同陣列系統的優缺點。A new topology of antenna array named arcuate array is proposed. as the analysis shows, the arcuate array has its particular advantages, and the linear array and circular array can be unified into arcuate array family
接著提出了弧形智能天線陣列結構,分析了弧形陣列的獨特優點,並把直線陣和圓陣統一到弧形陣列結構體系中。The radiation patterns of 4 - elements and 6 - elements circular reflection arrays in different distances between the active element and the passive element, and different length of the passive element are calculated, which shows that the additional passive elements can improve the pattern of the circular array, and decrease the differences between beams, and produce several equal wavebeams
首次提出了一種新型的智能天線陣列結構,即圓環反射陣列,並就四、六元圓環反射陣列的情況分別對標準反射陣列和非標準反射陣列進行了詳細的分析研究,計算了不同間距、不同反射振子長度的方向圖。First, the spatial division theory of smart antennas is proposed based on the relativity of the steering vectors of antenna array, then the spatial division capability of antenna array is presented
首先從天線陣列導向矢量相關性的角度闡述了智能天線的空分原理,然後根據這個原理提出天線陣列空分能力表達式。Focused on resolving this problem, a new mac protocol dedicated to well utilize the advances of adaptive antenna array ( a type of smart antenna ) is proposed
三、為了解決上述問題,本文設計了一種新的旨在進一步挖掘自適應天線陣(智能天線的一種)優點的mac協議。The digital beamforming ( dbf ) of the phased array antenna is a key technology of the smart antenna
陣列天線的數字多波束形成技術是智能天線中的一項重要技術。分享友人