mmse 中文意思是什麼

mmse 解釋
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  1. Therefore, a new low - complexity mmse time domain equalization algorithm is proposed which focuses on lowing the complexity of time domain equalizer and optimizing performance

    文從降低時域均衡器計算復雜度和優化性能角度本文提出一種低復雜度wse時域均衡演算法。
  2. Secondly, it was. made theoretical analyses about the optimal training sequence design by the maximum likelihood estimation method and obtained the corresponding results, which were compared with the separate results derived by the minimum mean square error ( mmse ) estimation method in the other literature. at last, it was analyzed the impac

    其次進行了採用最大似然（ ml ）估計法的最佳訓練序列設計的理論分析，分別得到了有關結果，並和其他文獻中採用最小均方誤差（ mmse ）估計法的設計結果進行了分析比較，得到了有關結論。
  3. Secondly, introduce discrete multi - tone modulation principle in detail, have a systemic and comprehensive analysis and explanation on minimum mean square error ( mmse ) channel shorten time domain equalizer design methods which are based on all kinds of cost functions, analyze their advantage and disadvantage. research on time domain equalizer structure, compare all the time domain equalization algorithm with simulation which afford a valuable reference for the choice of equalization algorithm and equalizer structure when design time domain equalizer

    詳細介紹離散多音頻調制原理，對mmse通道縮短法和基於其他代價函數的時域均衡器設計方法的進行了系統全面的分析和闡述，分析了各自的優缺點；對時域均衡器結構進行研究；模擬比較了各種時域均衡方法，為進行時域均衡器設計時均衡演算法、均衡器結構的選擇提供了有價值的參考。
  4. 3. a variety of speech enchancement algorithms are discussed including wiena filter, spectral subtraction, mmse algorithm and the masking model combined with the spectral subtraction algorithm

    3 .系統地研究了多種語音增強演算法，包括基於短時譜分析的維納濾波法、譜減法和mmse演算法，並研究了基於人耳聽覺掩蔽效應的語音增強演算法。
  5. Then the phase trajectory is estimated based on mmse criterion, and the frequency offset and initial phase can be achieved

    在此基礎上，基於mmse準則計算載波相位的軌跡，得到頻差和初始相位。
  6. In mmse based detection algorithms it ’ s inevitable to do the matrix inversion operation, and we have found by analysis that such matrices are all positive definition hermite matrices. so, in chapter three, by renumbers the looped variables we induce a new matrix inversion algorithm and based on the symmetry of the data we further

    由於基於mmse的檢測演算法中會不可避免地遇到矩陣求逆運算，經過分析發現此類矩陣均為正定hermite矩陣，根據此類矩陣的特點引入了變量循環重新編號法求逆演算法，並且根據運算過程中數據的對稱性提出了進一步的簡化方案。
  7. The output sinr limitations of mmse and constrained mmoe optimal filter are derived in the cirsumstance aforementioned. these limitations constitute the base of the code - aided optimal filtering and nbi estimate - subtract filtering. this dissertation summarize the recursive least squares ( rls ) algorithm, blind recursive least squares algorithm and the qr decomposing for these two algorithms

    為自適應實現碼輔助最優濾波，本文系統總結了遞歸最小二乘（ rls ）和盲遞歸最小二乘（ brls ）演算法，以及兩者基於正交三角分解（ qrd ）的并行計算結構。
  8. In order to deepen the research on multiuser detection and speed up the process of its entering into the commercial markets, we have studied the problem of multiuser detection based on cdma systems in the paper. from the system simulation view, we have given the structure of decorrelation detector and the one of mmse detector, respectively and designed the two corresponding tokens to expand the functions of cdma library in systemview

    為了推動多用戶檢測理論研究工作的深入開展和加速工程化進程，本文從系統模擬角度對多用戶檢測進行了研究，提出了解相關多用戶檢測器和最小均方誤差多用戶檢測器的結構，設計了多用戶檢測模塊，解決了systemview通信庫欠缺該功能模塊的問題。
  9. To overcome these shortcomes, a interference - space - based blind adaptive mmse linear detector and the corresponding tracking algorithm based interference correlation matrix is proposed

    為此，本論文提出基於干擾空間線性mmse盲自適應多用戶檢測器及其相應的基於干擾自相關矩陣c _ 1跟蹤演算法。
  10. In this paper, a new interference - space - based blind adaptive mmse linear detector and the corresponding tracking algorithm based interference correlation matrix is proposed for mai in cdma wireless celluar communication system. analysis and simulation illustrate that the proposed blind multiuser detector has lower computational complexity, faster convergence and stronger robust with respect to imprecise knowledge of the received signature waveform of user of interest

    圍繞著cdma無線蜂窩移動通信系統中的多址干擾（ mai ）抵消問題，本論文在現有盲自適應多用戶檢測技術基礎上，提出了一種新的基於干擾空間線性mmse盲自適應多用戶檢測器及其相應的基於干擾自相關矩陣c _ 1跟蹤演算法。
  11. 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。
  12. Then we focus on decision feedback equalization ( dfe ) algorithm which is widely used in mimo signal detection. subsequently, a minimum mean squared error ( mmse ) detector based on wl detection combined with the decision feedback strategy for ca - mimo is derived. meanwhile, the issue that how to use wl detection in da - mimo system is discussed and a solved project is also presented

    本文第四章在介紹了寬線性檢測技術的基礎知識之後，著重針對mimo信號檢測演算法中使用廣泛的反饋判決檢測演算法，提出了一種基於最小均方誤差準則的寬線性反饋判決集中式mimo信號檢測演算法;同時，結合第三章的內容，對分佈mimo信號如何採用寬線性檢測提出了一套解決方案，通過計算機模擬，給出了幾種分佈mimo檢測演算法的性能;結果表明，在採用最優檢測順序的情況下，兩
  13. After the system has been synchronized, we first use the least square method to make channel estimation, then separate the channel response information from the channel noises by dft. a weighting function based on the minimum mean square error ( mmse ) criteria can be applied to the time domain channel impulse response

    在系統同步條件下，首先使用最小平方方法來估計通道響應，然後利用離散傅利葉變換的性質把通道響應信息和通道噪聲分離，並在時域按最小均方誤差準則做加權處理。
  14. Scores on the immediate and delayed recall tests and the mini - mental state examination ( mmse ) were compared for migraineurs ( n = 204 ) vs nonmigraineurs ( n = 1, 244 )

    在偏頭痛患者（樣本204 ）和非偏頭痛患者即可和延遲回憶試驗和細微精神狀態檢查中的得分情況做了比較。
  15. Results : comparing with control group, the score of mini - mental state examination ( mmse ), span of digit100 to 1 counting were significant difference in tongxingluo - treated group ( p < 0. 05 )

    結果：與對照組比較，治療組的簡易智能檢查量表（ mmse ） 、數字廣度和100 1的分數經檢驗差異有顯著性意義（ p < 0 . 05 ） 。
  16. Two categories of pilot based channel estimation are examined in chapter 3 : ml criteria based and mmse criteria based. the performance and implementation complexity of these two methods are analyzed and compared

    給出了最大似然估計及最小均方估計的通道響應估計表達式，分析和比較了這兩種估計方法的性能，實現復雜度。
  17. In this thesis, we also study the adaptive algorithm of mmse and put forward the adaptive algorithm based on the pilot channel. based on the sub - spatial algorithm, we analyze the blind algorithm and improve it by the part of the channel estimation

    本文還研究了基於mmse檢測器準則的自適應演算法，提出了基於導頻通道的自適應演算法，分析了基於子空間方法的盲演算法，並在通道估計部分改進了基於信號子空間的演算法。
  18. We also proposed a new call admission control ( cac ) scheme for cdma cellular system that incorporates adaptive power control and mmse multiuser receiver and support multi - class traffic. the call admission control scheme is based on estimation of othercell interference and implemented distributively in each cell. capacity determined by the admission control agrees with the actual system capacity in the simulation. the scheme can achieve high bandwidth utilization and guarantee qos requirements of all the users at the call level

    為此，提出了呼叫確認策略，以保證系統中不同業務的所有用戶的qos 。呼叫控制策略在每一小區分佈地進行，通過估計其它小區的干擾確定小區的可用有效帶寬，再根據小區當前的負載決定是否對呼叫請求給予確認。呼叫確認控制可以在呼叫級保證用戶的qos 。
  19. In the fourth chapter, we presented the mmse soft interference cancellation detector as the signal detector, and proposed an effective transmit power allocation scheme to improve the performance of mimo - ofdm system. if ldpc channel coding is applied, we can find the performance can be improved about 1db when ber is 10 - 6

    通過採用預編碼的技術能夠極大地簡化接收機的復雜度，因此在第五章中首先介紹了預編碼技術在無線多用戶mimo系統中的應用，並著重討論了當前引起廣泛關注的thp預編碼技術。
  20. This thesis investigates the application and implementation of adaptive array based on mmse criteria in the presence of strong man - made interferences and aperiodic spread spectrum codes, including reference signal generating, afc in adaptive antennas array, and an application of adaptive antennas for a general non - spread spectrum signal, ssb ( single sideband ) communication system is presented. the thesis is outlined as follows

    論文研究了在強人為干擾和非周期擴頻碼情況下，基於mmse準則的擴頻系統自適應天線陣的實現和應用問題，包括參考信號提取、自適應天線陣中的afc ，並給出了在非擴頻信號單邊帶ssb （ singlesideband ）信號通信系統中的自適應天線的應用。
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