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      a posteriori是什么意思

        作者:恒星英语学习网     所属分类:A开头的英语单词     

      a posteriori 是什么意思

      中文翻译与英英解释

      短语和例子
      a posteriori reasoning 归纳推理
      a:    短语和例子 a , an an 用在以元音音素开始的词 ...
      involving reasoning from facts or particulars to general principles or from effects to causes; "a posteriori demonstration"

      derived from observed facts

      derived from observed facts

      requiring evidence for validation or support

      例句与用法

      1.The a posteriori plan was thought out after he learned how to play the game
      在他学会要怎麽玩这个游?#20998;?#21518;推演的计画就想出来了

      2.Maximum a posteriori restoration with markov constraint for three - dimensional optical - sectioning microscopy
      三维显微图像复原及点扩散函数的研究

      3.A posteriori , what could you have done differently to improve your performance in this simulation
      如果是你你将对此模拟个案提出怎样不同的解决方案

      4.Residual a posteriori error estimate two - grid methods for the steady navier - stokes equation with stream function form
      方程流函数形式两重网格算法的残量型后验误差估计

      5.A posteriori error estimation based on stress super - convergence recovery technique for generalized eigenvalue problems
      基于应力超收?#19981;?#22797;技术的广义特征值问题后验误差估计

      6.The efficiency of this algorithm can be recognized from the experimental results which are attached at the end of this thesis . this thesis ends with the study of the maximum a posteriori ( map ) method with
      本文最后对最大后验概率估计法进行了研究,给出了最大后验概率估计法的原理方法和步骤

      7.6 . the basic principle of turbo equalization is discussed and the siso equalization algorithms based on a posteriori probability and interference cancellation are derived . at last , the simulation results are provided
      6 .论述了turbo均衡的基本原理?#39057;?#20102;基于后验概率和干扰消除的5150均衡算法给出了?#38405;?#20223;真结果

      8.3 ) we try to import the bayesian adaptation , which is widely used in speech recognition , into speaker verification . we use bayesian maximum a posteriori estimation training a speaker model from background model , to solve the problem of model miss matching in speaker verification system
      3 )为了解决说话人确认中存在的模型不匹配问题,尝试将语音识别中的贝叶斯自?#35270;?#31639;法引入到基于高斯混合统一背景模型的说话人确认系统

      9.The main contributions are as follows : ( 1 ) de ( differential evolution ) algorithm is proposed to invert the ocean acoustic parameters in shallow water in order to get faster and more accurate results than ga ( genetic algorithm ) and sa ( simulated annealing algorithm ) . also a posteriori probability analysis method is applied to evaluate the uncertainty of inversion results . ( 2 ) maximum likelihood objective functions for broadband mfi are derived according to different conditions
      ( 2 )根据不同的前提条件采用似然比的方法?#39057;?#20102;宽带匹配场反演的最大似然目标函数深入地研究了宽带匹配场处理中的相干与非相干问题在分析参数反演的敏?#34892;?#20043;后提出了浅海环境参数宽带匹配场反演的多步优化策略并与全参数反演方法进行了?#38405;?#19978;的仿真比较

      10.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
      接着对自?#35270;?#35843;制系统中的信道估计问题难点详细?#39057;?#20102;平衰落信道条件下和选择性衰落信道条件下最大似然( ml )估计和最大后验概率( map )估计算法针对平衰落信道我们仿真了map估计和ml估计的方差与导频符号长度的关系仿真结果表明错误方差受多谱勒频率的变化影响最大并且对?#23548;?#30340;自?#35270;?#35843;制系统导频符号长度的取值超过20个符号长度时 map信道估计明显优于ml信道估计

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