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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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