adaptive antenna system 中文意思是什麼
adaptive antenna system
解釋
自適應天線系統-
Realization of adaptive antenna array simulation system using matlab
實現自適應天線陣模擬系統 -
A jamming rejection method for fh system based on adaptive antenna
基於自適應天線的跳頻系統干擾抑制方法 -
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。 -
Partial adaptive digital beam forming has the potential for improved time - energy management, and reduced life - cycle costs, and reduced complexity of adbf system, especially in large array antenna used thousands of sensors. this dissertation was part of the national ' s array radar project
對于大型空時自適應陣列天線，採用部分自適應技術（ padbf ） ，可以降低陣列自適應演算法的復雜性，產生較快的自適應響應，同時也可極大的降低系統硬體成本。 -
According to wireless and mobile communication system ' s background, this thesis study on estimation of time - varying dispersive channel from four respects : ( 1 ) aid of pilots, ( 2 ) cyclic prefix ( cp ), ( 3 ) blind method, and ( 4 ) ofdm system with multiple transmitting antenna, in which the typical ways is decision - feedback algorithm and self - adaptive block algorithm
本文以無線和移動通信系統為背景，從四個方面對時變色散通道下的ofdm系統的通道估計和均衡問題進行了研究。第一是基於導頻符號的通道估計方法，第二是基於循環前綴的通道估計方法，第三是通道的盲估計方法，第四是基於多天線ofdm系統的通道估計和均衡方法的研究。 -
In the paper, a weight - solving model with non - blind algorithm for smart antenna in the wireless cdma system is introduced, and the simulation is conducted by means of self - adaptive iterative methods, and then, three kinds of non - blind algorithm simulation results are obtained with different dynamic environments, and the performance comparisons are illustrated
摘要介紹了無線通信cdma系統中智能天線非盲演算法求權模型，用迭代的自適應演算法進行了模擬，獲得了三種常用的非盲演算法在不同運動環境下的模擬結果，並進行了性能比較。 -
Chapter 4 discusses an important component of smart antenna technique : time - space coding. we combine time - space coding and blind adaptive multiuser detection to enhance system capacity further
第四章討論了智能天線技術的一個重要組成部分：空時編碼技術。將空時編碼技術和盲自適應多用戶檢測技術相結合，進一步提高了系統容量。 -
Adaptive subchannel allocation and antenna selection in mimo - ofdm system
系統中的自適應子通道分配和天線選擇 -
Music algorithm of adaptive antenna system analysis and simulation
演算法的研究及其模擬分析 -
Phased array radar is a detective system with multiple function, high reliability and adaptive ability, spatially the rapid scan and beam shape change characteristic of phased array antenna made its application more and more abroad
相控陣雷達是一種具有多功能、高可靠性和自適應能力的探測系統，尤其是相控陣天線所具有的波束快速掃描能力和波束形狀快速變化能力等優點，使得相控陣雷達得到了越來越廣泛的應用。 -
Chapter 2 embodies smart antenna technique. two types of smart antenna are introduced : beam - switched system and adaptive antenna system. then the spatial processor is discussed. some classical optimization beamforming schemes and adaptive algorithms are also presented
第二章具體介紹了智能天線技術，包括兩種類型的智能天線：切換波束系統和自適應天線系統。 -
In mobile communication, the multi - path of channel brines the inter - symbol interference ( isi ) which cna make the ber of system larger. a technology called adaptive equalizer combined with adaptive array antenna is researched. this technology is used in the base station to restrain isi, and it is realized through landscape orientation filter, whose weight vectors are formed by rls algorithm. the result of computer simulation showe that the ber performance of system is good enough to ensure the requirement of communication
在移動無線通信中，由於傳輸通道的多徑性質，會在接收端引起碼間干擾，使系統誤碼率變大，結合智能天線系統研究了一種自適應均衡技術，在基站一端使用，用來抑制碼間干擾，它通過橫向濾波器來實現，通過rls演算法自適應地產生加權因子.計算機模擬的結果可以證明，使用無衡技術后，系統的誤碼性能可能滿足通信需要
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