智能天線 的英文怎麼說
中文拼音 [zhìnéngtiānxiàn]
智能天線
英文
smart antennas-
Anti - jamming of smart antenna in pseudolite augmentation system
智能天線在偽衛星增強系統中的抗干擾作用Design of switched beam antenna in mobile communication system
移動通信系統中的智能天線技術Evolving the underlying networks to support a mass market, however, presents a number of challenges : spectrum is a limited resource ; cdma standards have sub - optimal spectral efficiency ; layered 3g network architectures are not conducive to low - latency services ; and capacity - enhancing smart antenna or multiple antenna systems have been disappointing
但開發基本網路以滿足廣大市場，仍面臨幾大挑戰：頻譜資源有限、 cdma標準的光譜效率未達最優、分層3g網路架構未能實現即時服務、及容量增大的智能天線或多天線系統仍不盡人意。Repeat iterative adaptive algorithm for smart antennas in td - scdma systems
系統中智能天線的重復迭代自適應演算法Brief introduction to adaptive algorithm of smart antenna in mobile communication
移動通信中智能天線自適應演算法簡介With the research development in antenna area, smart antenna, which could dynamically adjust antenna pattern in order to trace useful signals and suppress interference and noise, comes into researchers ’ sight
隨著天線領域研究的進展，一種可以動態調整天線方向圖，有效跟蹤有用信號，抑制干擾和噪聲的天線系統? ?智能天線系統，進入了研究者的視野。Detailed work include : generalizing, analyzing, mathematically calculating, im - proving and estimating by experiments the 2d - doa estimation from the classical al - gorithm of 1 - d subspace. moreover, application and simulation of the properties of the cyclostationary of signals in parameter estimation within smart antennas area are studied as well
具體工作包括：經典一維子空間演算法推廣到二維中的分析，演算，改進，實驗模擬；以及信號平穩特性在智能天線參數估計中的應用和實驗模擬。This paper analyze circinal array antenna and establish its input and output signal module. adaptive algorithm is the heart of smart antenna
從一定意義上來說， tddcdma系統就是基於智能天線來設計的。In order to put smart antenna into practice easily, the author propose a new criterion and algorithm, maximal signal criterion and step - change searching prestore - weight algorithm which adapt to circinal array antenna and can be implemented into practice easily
白適應演算法是智能天線技術實現的瓶頸，因此尋找一種更簡單實用的自適應演算法把智能天線技術真正應用到實際工程中具有重要的現實意義和實用價值。At first, the author generally introduce the basal conception and theory, then discuss the existed optimal criterion and adaptive beamforming algorithm. the research of smart antenna at present is usually about theory discussion, and the theory analyzing object is usually linear array antenna, but td - scdma adopt circinal array antenna
該部分先簡要介紹了智能天線的基本概念和原理，包括智能天線的工作原理、分類、主要功能、研究內容與發展動態；然後闡述了目前存在的智能天線最優權準則和自適應演算法及其存在的問題。An analysis on improving mobile communication capability by using multiple beam smart antenna
多波束智能天線對改善移動通信性能的分析Smart antenna has two critical tasks, one is to filter the uplink signals, and the other is to form the downlink beam, and we need adaptive algorithm and digital signal processing ( dsp ) technology to fulfill these work. adaptive algorithm is one of the most important technologies of smart antenna, and it determines smart antenna ' s speed to the wanted to signal and the complexity of the circuit of the communication system
自適應演算法是智能天線的核心技術之一，它決定著智能天線對來波信號響應的速率和系統實現電路的復雜程度，系統需要針對各種通信環境來選擇合適的演算法，也可以採用演算法分集的方法來使整個系統工作在最佳狀態。Presents an overall link level simulation of mobile terminal receiver structure with smart antenna for td - scdma and describes its building blocks. three smart antenna algorithms and four structures of sa - rake arc simulated and compared based on above model
搭建了td - scdma智能天線移動終端模擬平臺，通過雙天線系統移動端接收特性的數值模擬，對智能天線演算法和4種sa - rake處理結構進行分析。The restraint of sa on multi - path is further analysed. in conclusion, the proposed receiver may improve ber, snr and capacity performances of wireless communication system obviously
基於模擬平臺的數值模擬結果表明在td - scdma系統移動終端採用智能天線可以有效提高信號接收質量、降低誤碼率和增加系統容量。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。Then this paper deals with the design and realization of the smart - antenna receiver system architecture. and the receiver is divided into four modules, including rf front - end module |, if demodulation module, analog to digital conversion module and frequency synthesis module
隨后在此基礎上，對應用於w - cdma系統智能天線接收機進行了系統設計分析，並給出了實現方案，主要包括射頻前端電路模塊、中頻解調電路模塊，參考頻率合成電路模塊和數模、模數轉換電路模塊四部分的設計與實現。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。A smart antenna receiver system based on software radio
一個基於軟體無線電的智能天線接收系統The main researches of this dissertation are some algorithms for the estimation of direction of the signal ’ s arrival which are the critical technology of smart antenna
本文研究的主要內容是智能天線中的關鍵技術之一，信號來波方向估計（ doa ）的幾類演算法。This article systematically compares two major types of beam - forming techniques in adaptive smart antennas for mobile communication systems, i. e., direction - of - arrival based beam - forming and reference signal based beam - forming
系統地比較了移動通信系統中自適應智能天線的兩大類波束形成技術，即基於來波方向的波束形成和基於參考信號的波束形成。分享友人