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flat fading channel in Chinese

Pronunciation:
How to pronounce "flat fading channel""flat fading channel" in a sentence

Translationmobile phoneMobile

  • 平坦衰落信道

Examples

  • Autoregressive modeling for flat fading channel simulation
    模型的平坦衰落信道仿真
  • If the assigned spreading codes are orthogonal and signals are transmitted through a flat fading channel , there will be no multiple access interference ( mai )
    如果所有用戶采用理想正交擴(kuò)頻碼并且通過(guò)同步平坦衰落信道，系統(tǒng)中將不會(huì)存在多址干擾( mai : multipleaccessinterference ) 。
  • Based on the research of mimo detections under the flat fading channel , this paper focuses on the mimo detection under the frequency selective fading channel , chiefly aiming at the lll detection algorithm
    在對(duì)平坦衰落信道下mimo檢測(cè)技術(shù)研究的基礎(chǔ)上,本文展開(kāi)了對(duì)頻率選擇性信道下mimo檢測(cè)技術(shù)的研究。
  • While this dissertation will use wavelet analysis to decompose fading - process , and provide wavelet model of flat fading channel , then propose a new blind receiver based on monte carol algorithm
    本文將平衰落信道的衰落過(guò)程進(jìn)行小波分解與建模，在此基礎(chǔ)上提出一種采用順序蒙特卡羅算法的盲均衡接收機(jī)，并給出了仿真結(jié)果以證明此接收機(jī)的優(yōu)異性能。
  • Then this paper makes some overview and simulation on the application of three precoding algorithms under the flat fading channel , which are linear preequalization , tomlinson - harashima precoding ( thp ) and lattice reduction - aided ( lll ) vector precoding
    本文對(duì)三種常見(jiàn)的預(yù)編碼算法在平坦衰落信道下的應(yīng)用進(jìn)行了綜述和仿真研究,包括迫零線性預(yù)均衡、 thp預(yù)編碼和格約簡(jiǎn)輔助矢量預(yù)編碼等算法。
  • To verify their effectiveness , simulation studies are conducted to test the performance of the proposed turbo codes in awgn channels and flat fading channels . in these simulations , the modified max - log - map decoding algorithm and the golden - spread interleaver are applied
    仿真研究了采用優(yōu)選擴(kuò)散交織與改進(jìn)的max - log - map譯碼算法的turbo碼在加性白高斯噪聲( awgn )信道以及平衰落信道上的性能。
  • The fourth part considered how to improve system performance by adopting transmission diversity in flat fading channels . in the traditional space - time trellis code design , the space diversity , time diversity and channel code are concerned together to get best space diversity , time diversity and code gain
    傳統(tǒng)的空時(shí)格碼把空間分集、時(shí)間分集和前向糾錯(cuò)編碼聯(lián)合設(shè)計(jì)，以n摘要獲得最大的空間分集、時(shí)間分集、信道編碼的增益。
  • And then facing the problem of the channel estimation of the adaptive modulation system , we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail . to meet flat fading channel , we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length . the conclusion can be drawn from these results
    接著，對(duì)自適應(yīng)調(diào)制系統(tǒng)中的信道估計(jì)問(wèn)題難點(diǎn)，詳細(xì)推導(dǎo)了平衰落信道條件下和選擇性衰落信道條件下最大似然( ml )估計(jì)和最大后驗(yàn)概率( map )估計(jì)算法，針對(duì)平衰落信道，我們仿真了map估計(jì)和ml估計(jì)的方差與導(dǎo)頻符號(hào)長(zhǎng)度的關(guān)系，仿真結(jié)果表明，錯(cuò)誤方差受多譜勒頻率的變化影響最大，并且對(duì)實(shí)際的自適應(yīng)調(diào)制系統(tǒng)，導(dǎo)頻符號(hào)長(zhǎng)度的取值超過(guò)20個(gè)符號(hào)長(zhǎng)度時(shí)， map信道估計(jì)明顯優(yōu)于ml信道估計(jì)。
  • The basic idea of this method is to produce particles from the posterior densities , and these weighted samples provide approximations to the densities . in this dissertation , sequential monte carlo method and its applications in communication are investigated . firstly , its basic idea , method and improved method are introduced , then induce the bound of particles , which determines the performance of the system , and the more particles are chosen , the higher computation is done , finally , a new detector based on new importance function is proposed , which deals with the joint channel estimation and detection in flat fading channels
    首先介紹了它的基本思想、基本方法、及當(dāng)前研究現(xiàn)狀；在此基礎(chǔ)上推導(dǎo)出樣本數(shù)選擇的界，樣本數(shù)的選擇決定了系統(tǒng)的性能，但是若選的太多，計(jì)算復(fù)雜度也會(huì)隨之增大，因而給出這個(gè)界是十分有意義的；最后提出了一種基于新的重要函數(shù)的檢測(cè)器用來(lái)解決平坦衰落信道下的聯(lián)合信道估計(jì)和檢測(cè)問(wèn)題，并通過(guò)仿真證明了我們提出的新檢測(cè)器的有效性。
  • At present , the research on the mimo detections under the flat fading channel has been maturational . this paper firstly overviews and simulates three practical mimo detections , which are zero - forcing ( zf ) algorithm , v - blast algorithm and lattice - reduction aided ( lll ) detection algorithm . the simulation results suggest that lll algorithm has apparent advantages over other two detection algorithms
    目前,對(duì)于平坦衰落信道下的mimo檢測(cè)技術(shù)的研究已較為成熟,本文首先對(duì)其中三種具有較高實(shí)用性的算法進(jìn)行了綜述和仿真研究,其中包括迫零檢測(cè)、 v - blast檢測(cè)和格約簡(jiǎn)輔助檢測(cè)三種算法。
  • More examples：  1  2
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