feedback channel 中文意思是什麼
feedback channel
解釋
反饋通道-
The study on decision feedback equalizer based on channel estimation
基於通道估值的判決反饋均衡器研究 -
Abstract : a 16 - channel temperature detection apparatus with platinic resistance is presented. the method of the down - lead elimination of the platinic resistance and nonlinear correction with positive feedback are discussed
文摘:介紹了一種經濟實用的16通道鉑熱電阻測溫巡檢顯示儀，並論述了鉑熱電阻的引線消除和用正反饋實現非線性校正的方法。 -
Mixer channel tone controls are an excellent way to control feedback problems
調音臺通道上的均衡是控制嘯叫的特別好的方法。 -
Because of the unique issues in the networks, including mobility - induced disconnection, network partition, high out - of - order delivery ratios and channel errors, the congestion control and the error recovery in the network is challenging. in this environment, the interaction between tcp and mac layer protocols, the affection of route protocols on the performance of tcp and the particular congestion control and error recovery mechanism are first discussed. then a particular transport layer protocol scheme based on the non - feedback mechanism is presented, with emphasis on the analysis and simulation of the key parameter
文中主要討論了兩種不同網路結構中的無線tcp協議改進方案，其一在最後一跳為無線鏈路的網路環境中，針對基本tcp擁塞控制機制存在的缺陷，文中在現有解決方案的基礎上提出一綜合性的方案，其中包括無線鏈路的高誤碼率和連接斷開問題的解決，並重點對方案中出現的交叉層問題進行分析和模擬；其二，考慮的是分散式網路（ adhoc ） ，在文中較為詳細的分析了tcp和mac層機制間的相互作用、路由協議中造成tcp性能降低的因素、 adhoc網路中應採取的特殊擁塞控制和差錯恢復機制，在此基礎上提出了一種採用非反饋機制的解決方案，重點對方案中的關鍵參數進行分析和模擬，分析和模擬結果表明此機制可在很大程度上提高adhoc網路中tcp的性能。 -
The optimal transmission strategy of a single user multiple - input multiple - output ( mimo ) wireless communication system which the transmitter has only imperfect feedback of channel state information ( csi ) is studied
摘要研究了發射端只有非理想通道狀態信息反饋的單用戶多輸入多輸出（ mimo ）無線通信系統的最優發送策略。 -
The paper proposes a feedback pre - equalization ( f - pe ) method based on channel estimation in a frequency - selective rayleigh fading channel
在頻率選擇性瑞利衰落通道條件下，提出一種基於通道估計的反饋?預補償均衡檢測演算法。 -
As the precursor of a statutory co - ordinating body, it also deliberates on pan - industry issues and serves as a primary channel for the government to obtain feedback on construction - related matters
作為法定業界統籌機構的先驅，臨時建統會討論影響整體業界的事項，同時亦是政府就建造事宜?集意見的主要渠道。 -
We give a brief theoretic analysis of using delayed self - controlling feedback to control beam halo. s ( the length of one period of focusing channel ) is selected as the delay parameter of the controller and the maximal lyapunov exponent is calculated
經分析，確定了延遲反饋控制器的延遲參數為s （一個聚焦磁場通道周期） ；而後，計算了系統的最大李雅普諾夫指數。 -
The official feedback channel for citizens to air their views and suggestions on government policies and national issues
-領事服務內容，聯系方法和領事館發布的各類講詞和新聞稿。 -
Firstly, a new joint filterbank precoders and decision feedback equalizers structure is proposed, and the corresponding optimization result based on the maximal mutual information criterion is derived. secondly, the concept of dt canonical model is proposed, which is very suitable for the task of blind signal processing based on the second - order statistical of the observations. thirdly, the methods of blind equalization and identification of the tv dispersive channels are researched systematically based on the proposed dt canonical model, and a subspace blind identification algorithm of the time - invariant channel matrix is developed
本文創新性的成果在於：提出了預編碼-判決反饋聯合均衡系統結構，並從理論推導得出了對應的最大互信息量最優化設計結果；首次提出了時變色散通道的離散正則模型概念，該模型適宜於利用觀察數據的二階統計量進行盲信號處理；基於離散正則模型對時變色散通道進行了系統的盲均衡和盲辨識方法研究，提出了對時不變通道矩陣的子空間盲辨識演算法；針對誤差傳播效應問題，提出了可以消除誤差傳播效應的兩級盲辨識演算法；提出了基於離散正則模型的直接盲均衡演算法；提出了基於特徵恢復思想的神經網路直接自適應盲均衡演算法。 -
We propose the joint filterbank precoders and decision feedback equalizers structure at first, by which the dispersive channel is equivallent into parallel independent flat fading subchannels such that the diversity gain of the receiver is increased. then we adopt the discrete - time ( dt ) canonical model to convert the problem of blind signal processing of tv dispersive channels into processing the time - invariant multi - channels model blindly, and discuss the problem of blind equalization and identification of tv dispersive channels based on this new model
第一種是採用濾波器組聯合均衡方法將色散通道等價為一組獨立的平坦衰落子通道，以提高接收機的分集增益；另外一種是提出採用離散正則模型將時變色散通道的盲信號處理轉化為時不變多通道模型的盲信號處理，並針對該模型對時變色散通道的盲均衡與盲辨識方法進行了詳細討論。 -
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。 -
Based on theoretic analysis and computer simulations, the performance of single - path and multi - channel aanc systems is studied. finally, the implementing the feedback aanc systems based on imc configurations is investigated
最後，以simulink為工具，研究了硬體實現自適應內模型控制有源反饋中遇到的各種問題。 -
When this csi is in terms of channel covariance feedback, the transmit directions for achieving ergodic capacity correspond with the eigenvectors of the channel covariance matrix, while the optimal power distribution can not be solved in closed form
當發射端具有通道協方差矩陣信息時，使得平均通道容量達到最大的發射方向和通道狀態協方差反饋矩陣的特徵矢量相一致，而相應的發射天線上的最優功率分配則難以解析獲得。 -
For greatly overcoming the carrier phase rotation resulting from multipath underwater acoustic channel and large mean square error ( mse ) at convergent end of linear equalizer ( le ) based on higher order statistics, statistical equalization criterion based blind linear sign decision feedback equalizer ( lsdfe ) was proposed
摘要為了克服多途水聲通道引起信號的相位旋轉及基於高階統計量的線性均衡器（ le ）收斂后均方誤差大的不足，提出了基於統計特性均衡準則的線性符號判決反饋盲均衡演算法。 -
By synthesis analysis, sum up researcher network information resource need : ( 1 ) the degree of depends on library debase, ( 2 ) searching engine has become first channel to obtain specialty information, ( 3 ) database has turned into a tool in common use to inquire about electronic resource. ( 4 ) be short of full - text database is a problem to settle in the library, ( 6 ) quality, feedback and effective link are three important factors, which is evaluated searching system for user. ( 6 ) network reference need developing ulteriorly, ( 7 ) the need of interlibrary loan and document delivery is huge. ? personalized customization of information service exists some questions. ? ducational form of information users should diversification
通過綜合分析，總結出科研人員網路信息資源需求具體表現在：科研人員對圖書館的依賴度降低；搜索引擎成為科研人員獲取專業信息的首選渠道；數據庫成為科研人員查詢電子期刊經常使用的工具；全文數據庫缺乏是圖書館急待解決的一大難題；質量高低、反應速度和有效鏈接是用戶評價檢索系統三個重要因素；網上參考咨詢服務有待進一步拓寬；館際互借服務呼聲很高，但存在的問題不容忽視；實施個性化服務略有爭議，一些方面有待商榷；用戶培訓形式注重多樣化。 -
Contrasting the poor immersion in recent robot teleoperation systems, this paper constructs a multi - channel telepresence dexterous hand teleoperation system with stereoscopic vision feedback, force feedback and acoustical feedback. low level control of the rx60 robot arm based on space mouse and the hit / dlr dexterous hand manipulation based on dataglove are implemented
臨場感技術是靈巧手遙操作中交互技術的核心，針對目前機器人遙操作系統中沉浸感不強等不足，本文建立了立體視覺反饋、力覺反饋和聽覺反饋的多通道臨場感靈巧手遙操作系統。 -
Using the cogent validity of backstepping " s solving parametric - strict - feedback nonlinear systems, xinghuo yu and wu yuqiang ( 1998 ) solved the output - tracking problem of a kind of linear time varying system by combining nonlinear damping method and variable structure scheme. in this dissertation, we sufficiently consider the effect of disturbances in the input channel basing on the same model
Xinghuoyu和yuqiangwu （ 1998 ）針對一類線性時變系統的輸出跟蹤問題，基於back飛tepping設計機制，將帶有非線性dallpipg項的設計方法與變結構控制方法相結合，給出了一種新的非線性控制器設計方法 -
Capacity of the wireless packet collision channel without feedback
無反饋無線分組碰撞通道的容量 -
The simulation result indicated the decision - feedback equalizer ( dfe ) had good adaptability to hf channel. the converaging behavior and tracking behavior of two kinds of the adaptive algorithm - lms algorithm and rls algorithm were analysized
分析了2大類自適應演算法? ? lms和rls演算法的收斂和跟蹤性能，模擬結果表明了rls演算法具有良好的跟蹤和收斂性能。
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