判決反饋 的英文怎麼說

中文拼音 [pànjuéfǎnkuì]
判決反饋 英文
decision directed feedback
  • 判 : Ⅰ動詞1 （分開; 分辨） distinguish; discriminate 2 （評定） judge; decide 3 （判決） sentence; con...
  • 決 : Ⅰ動詞1 （作出主張; 決定） decide; determine 2 （執行死刑; 殺死） execute a person 3 （裂開; 斷開...
  • 反 : Ⅰ名詞1 （方向相背） reverse side 2 （造反） rebellion 3 （指反革命、反動派） counterrevolutionari...
  • 饋 : 動詞（饋贈） make a present of
  1. 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
  2. The matlab language and c language were applied to simulate the fixed - point dsp arithmetic of equalizer algorithm. the simulation result indicated the diveragence phenomenon would happen to adfe ( adaptive decision feedback equalizer ) based on rls algorithm under the fixed - point finite - precision arithmetic

    採用matlab和c語言模擬均衡器定點dsp演算法的實現，模擬結果表明rls演算法的自適應判決反饋均衡器（ adfe ）在定點有限字長運算的情況下存在著發散現象。
  3. In this paper, consulting the idea of software radio and using the three important theories of maximum mean power estimate ( mmpe ) for symbol synchronization algorithm, the kalman decision - feedback equalization ( dfe ) algorithm and the decision - feedback phase lock loop ( dfpll ) algorithm, a kind of low frequency digital demodulate scheme over high - frequency ( hf ) radio channels for 8psk signial is realized

    本文利用軟體無線電的思想，提出了一種hf通道8psk信號低頻采樣數字化解調方案。討論了實現該方案的三個核心演算法：最大平均功率定時同步演算法、判決反饋式鎖相環和卡爾曼均衡器，分析它們的基本理論，並進行了性能測試。
  4. 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。
  5. By joining the thinking of decorrelating deletion and pic detection, we build the decorrelating parallel interference cancellation feed back detections and analyse its capability

    結合解相關和并行干擾去除的思想提出了解相關判決反饋多用戶檢測器，並對其性能作了分析。
  6. This article proposes two solutions to the question, one of which is the combination of the space - time mmse receiver and the decorrelating multiuser detector, another of which is the combination of the space - time mlse receiver and the decision - feedback detector

    本文提出了兩種方案：一種是空時最小均方誤差（ mmse ）接收機與解相關多用戶檢測器相結合；另一種是空時最大似然序列估計（ mlse ）接收機與判決反饋檢測器相結合。
  7. In chapter 3, based on the idea of joint equalization, we adopt the decision feedback equalizers to perform the second equalization to overcome the problem of filterbank precoders - linear equalizers joint optimization proposed recently, and get a new optimal result

    在第三章中，基於聯合均衡的思想，針對國際上最新提出的濾波器組預編碼-線性均衡最優設計中存在的問題，文章提出了採用判決反饋均衡器完成二次摘要均衡，以消除殘留的塊間干擾，得到了新的最優設計結果。
  8. In this proposed algorithm, the phase rotation can be compensated using higher order statistics, nonlinear transform of equalizer outputs, and decision feedback algorithm, the faster convergent speed can be obtained by introducing sign algorithm, and the mse can be reduced via employing decision feedback equalization algorithm

    該演算法充分利用高階統計量所包含的相位信息、均衡器輸出信息的非線性變換及判決反饋演算法來補償相位旋轉；利用符號演算法可以減少計算量的特點來加快收斂速度；利用判決反饋濾波器的性能來減小均衡器輸出的均方誤差。
  9. It is based on the mean square error ( mse ) principle and we prove the validity of the method by computer simulations. to make a thorough understanding of mimo adaptive equalization system, in this thesis the author : 1 ) ananlyze the characteristics of mimo wideband channels and the modeling and simulation of 3gpp scm ; 2 ) research the capability of mimo linear adaptive equalization and mimo non - linear adaptive equalization by computer simulations ; 3 ) present a new method for selecting the order of adfe model 4 ) implement the adfe on adsp - 21160 for static image transmission, and already achieve satisfactory experimental result, which make a foundation for mimo adaptive equalization to be appllied in the real communication systems

    為對mimo自適應均衡系統性能和設計做更深入的理解和研究，本文主要: 1 ）研究了寬帶選擇衰落通道特性及3gppscm通道建模模擬; 2 ） mimo線性自適應均衡器和mimo非線性自適應均衡器系統的性能分析和模擬實現; 3 ） mimo系統下的判決反饋均衡器的階數選擇模擬試驗分析; 4 ）把mimo自適應判決反饋均衡運用到了硬體模擬平臺上，採用了基於adsp - 21160的硬體dsp開發板，對靜止圖片的傳輸進行了試驗、分析和比較，得到了較滿意的實驗結果，使mimo自適應均衡在實際通信系統上的應用及實現奠定了現實基礎。
  10. The proposed algorithm outperforms blind linear equalizer ( le ) based on statistical equalization criterion in reducing the mse and compensating for the carrier phase rotation and blind linear decision feedback equalizer ( ldfe ) based on statistical equalization criterion in improving convergent speed

    因此，該演算法在減小均方誤差與補償相位旋轉方面的性能優于基於統計特性均衡準則的線性盲均衡演算法；在收斂速度方面的性能優于基於統計特性均衡準則的線性判決反饋盲均衡演算法。
  11. 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。
  12. Comparison study between the constant modulus decision feedback equalizer ( dfe ) and several others is made on combating the frequency selective fading of uwac, and their tracking performance to time varying is also investigated

    ?針對水聲通道的頻率選擇性衰落，對比研究了常數模判決反饋盲均衡演算法與其它幾種盲均衡演算法的性能。針對水聲通道的時變特性，研究了該演算法的跟蹤摘要性能。
  13. In the second part, the necessity of employing differential demodulation in rapid changing channel was explained, performance of multiple symbol detection of mdpsk and decision feed back multiple symbol detection were analyzed. then we present a new differential demodulation algorithm. the decision data is used to recover the carry phase. given the same observation intervals, this demodulation algorithm has almost the same performance, but the receiver is much more simplified

    第二章首先指出了通道參數變化劇烈的情況下，採用差分解調的必要性；分析了多碼元差分解調和數據判決反饋解調演算法的性能和抑制噪聲的能力；在此基礎上提出了一種新的差分解調方案：利用判決數據輔助進行載波恢復，即在判決數據的輔助下，採用fir （ finantimpounsrespouns ）結構對載波相位進行預測的一種演算法，精心設計了該演算法的實現結構。
  14. The main contributions of this thesis are as follows : ( 1 ) the conventional minimum output energy ( moe ) algorithm has the global convergence but its stable excess mean square error is high and it ca n ' t converge to the minimum mean square error ( mmse ). in this thesis an equivalent decision feedback moe ( df - moe ) algorithm variable step - size is presented and analyzed

    主要工作可以概括如下： （ 1 ）針對最小輸出能量檢測器（ moe ）具有全局收斂，但是穩態剩餘均方誤差比較大，無法收斂到最佳mmse檢測器的特點，提出並分析了一種等效的判決反饋變步長moe檢測演算法（簡稱df - moe ： decidedfeedbackmoe ） 。
  15. Design methods for frequency - domain equalization in ofdm transceivers with transmit diversity

    聯合均衡塊迭代軟判決反饋干擾抵消接收機
  16. Based on the tbag algorithm, an improved algorithm with the df - moe variable step size is presented

    在tbag演算法的基礎上，利用變步長判決反饋方法對其進行了改進。
  17. Ofdm - channel - estimation. rar, 7kb, 下載 6 次, this file is about ofdm channel estimation based on comb pilot

    下載29次，通道下的ofdm模擬系統，包括編碼，映射，交織，調制。通道估計採用判決反饋方法。
  18. A kind of dfe structure using se iteration form is proposed here to accelerate its convergence rate, and its ability to adapt the nonstationary environment is also improved

    提出了一種利用超指數迭代演算法，以加速判決反饋結構演算法收斂速度的新演算法，該演算法對非平穩環境的適應能力超過常模判決反饋演算法。
  19. Better system performance can be achieved at the optimal model order. at present, we found fewer papers on how to select the order of adfe. in this thesis we present a new method for selecting the order of adfe model

    對于自適應判決反饋均衡器（ adfe ）的階數選擇，目前相關的研究文章很少，作者通過大量的模擬試驗分析尋找到一種階數選擇方法，為adfe的階數選擇提供了依據。
  20. 3. comparing several adaptive equalizers and using the combined dfe / mlse equalizer based on predicted signal to compensate the rss channel. simulation results suggest that the dfe / mlse is greater than dfe and le in performance and is simpler than mlse - va in complexity

    3 .比較了幾種自適應均衡器的優缺點，提出採用基於預測信號的自適應組合判決反饋均衡器/最大似然序列估計器（ dfe / mlse ）來補償再入遙測通道。
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