1)α-stable distributionα稳定分布
1.A multipath time delay estimation algorithm based on EM algorithm under α-stable distribution impulse noise environment;α稳定分布噪声下基于EM算法的多径时延估计算法
2.Adaptive data block filtering algorithms for the α-stable distributionα稳定分布下的自适应数据块滤波算法
3.The experimental results demonstrated that the new method could adjust the parameters dynamicaly according to the noise variety and effective for restraining α-stable distribution noise and retaining the signal compo.本研究根据数字通信系统中广泛使用的μ律压缩原理,给出了一种在分数低阶α稳定分布噪声环境下,具有良好韧性的诱发电位潜伏期变化检测方法。
英文短句/例句
1.Study on the Theory and Application of Parameter Estimation and Spectral Analysis of α-stable Distribution;α稳定分布参数估计与谱分析理论及应用研究
2.Investigation on Array Signal Processing Amid α-Stable Noise;α稳定分布噪声背景下阵列信号处理方法研究
3.Parameter Estimation of TVAR Model under the α Stable Distributed Noise Conditions;α稳定分布条件下TVAR模型参数估计研究
4.Research on Signal Processing of Median Filter Method in Vibration Measure for Alpha Stable Distribution Noise对α稳定分布噪声中振动信号滤波研究
5.Radar echo frequency spectrum estimation based on α stable distribution covariation基于α稳定分布自共变的雷达回波频率谱估计
6.Adaptive data block filtering algorithms for the α-stable distributionα稳定分布下的自适应数据块滤波算法
7.Target Detection of SAR Images Using Alpha Stable Distribution基于α稳定分布的SAR图像目标检测算法
8.Study on Time Delay Estimation and Filtering Methods in α-stable Noiseα稳定分布噪声下的时延估计与滤波方法的研究
9.α-Stable Family Models of Image′s DCT Coefficient图像DCT系数的α稳态簇分布模型
10.pseudo steady-state pressure distribution拟稳定状态压力分布
11.EPGARCH Models with Stable Distributions;基于稳定分布的EPGARCH模型
12.Performance analysis of space-time block coding over fading channels with α-stable noiseα-稳定噪声环境下空时分组码的性能分析
13.Synthesis, Isolation and Stability of α-Tocopherol Oleate;α-生育酚油酸酯的合成、分离及稳定性研究
14.Investigation on Dispersion and Stability of α-Al_2O_3 Aqueous Suspension;α-Al_2O_3水相悬浮体系分散性及稳定性的研究
15.Influence of Several Dispersants on Stabilities of Al_2O_3 Suspension;几种分散剂对α--Al_2O_3悬浮液稳定性的影响
16.Exponential Stability of Linear Distributed Parameter Systems;线性分布参数系统的指数稳定性分析
17.The Distribution Approach of Banks Operational Risk Measurement Based on Stable Distribution;基于稳定分布的银行操作风险度量损失分布法
18.Studies on the Basic Assisted Decomposition of α, α-Diacyl Ketene Dithioacetals and the stability of Dithioacetal Groupsα，α－二乙酰基烯酮二硫代缩酮的碱分解反应及缩酮基的稳定性研究
相关短句/例句
α stable distributionα稳定分布
1.Radar echo frequency spectrum estimation based on α stable distribution covariation基于α稳定分布自共变的雷达回波频率谱估计
2.According to the modeling of additive noise as α stable distribution process and the degeneration of traditional second order statistics based time delay estimation method under α stable distribution environments,a novel robust time delay estimation method is proposed based on ROTH weighting.通过对附加噪声的α稳定分布建模,针对传统的基于二阶统计量的时间延迟估计方法在α稳定分布噪声环境下的退化现象,提出基于ROTH加权的韧性时间延迟估计新方法。
3.In the presence of noise modeled as α stable distribution, a robust high-resolution multipath time delay estimation algorithm (RHMTDE) is proposed based on fractional lower order statistic(FLOS).将观测数据的噪声建模为α稳定分布,运用分数低阶统计量理论中的共变概念和最小分散系数准则,结合用于解决高维非线性最小二乘优化问题的松弛搜索思想,借鉴高分辨率多径时延估计算法WRELAX、DS-WRELAX,提出了一种韧性的高分辨率多径时延估计算法RHMTDE。
3)alpha stable distributionα稳定分布
1.Inthis paper,we usealpha stable distributionto model the statistical characteristics of image,which can better capture the heavy-tailed na-ture of the data.α稳定分布能很好地表示具有严重拖尾的数据的统计分布。
2.The classic signal processing method could analyze the Gauss noise accurately,but the stability of performance was degradation in the condition of Alpha stable distribution noise.基于高斯模型信号处理方法能够准确分析高斯噪声,但对于α稳定分布噪声则出现性能退化。
4)αstable distributionα稳定分布
1.The dissertation sets forth the theory ofαstable distribution corresponding to the theory of FLOS firstly and then introduces various algorithms based on the theory of FLOS.本论文首先阐述了α稳定分布理论以及相对应的分数低阶统计量理论,介绍了基于分数低阶统计量理论的各种算法,在此基础上研究了把分数低阶统计量用于图像处理的各种算法。
5)alpha stable distributionα-稳定分布
1.Lower order alpha stable distribution processes can better model the impulsive random signals and noises in physical observation.α-稳定分布可以更好地描述实际应用中所遇到的具有显著脉冲特性的随机信号和噪声。
2.Recently it is accepted that alpha stable distribution, a generalization of Gaussian, is better for modeling impulsive noises than Gaussian distribution in biomedical signal processing.α-稳定分布可以更好地描述实际应用中所遇到的具有显著脉冲特性的EEG噪声。
6)α-stable distributionα-稳定分布
1.The α-stable distribution is adopted to imitate the impulsive noise occurring in many physical channels.将α-稳定分布噪声作为背景噪声模拟实际物理信道中存在的脉冲噪声,根据脉冲噪声的特殊性质,在恒模多用户检测算法的基础上将广义恒模算法应用到了多用户检测技术中去。
2.More details below:Firstly, this paper presents the definition and important characteristic ofα-stable distribution,and discusses the definitions and properties of fractional lower-order moment, minimum dispersion, and some important theorems and conclusions.下面是具体工作安排:首先,给出α-稳定分布的定义以及它所具有的重要性质,论述了分数低阶矩和最小离差准则的定义、性质和重要的定理及结论。
延伸阅读
稳定分布稳定分布stable distribution 稳定分布【stable distrib川血111;ycTO益ttH.oe paCnpe八e-月e“，e} 具有如下性质的一种概率分布:对于任意的“l>0，b，，aZ>0，bZ，关系式 F(a lx+b，)‘F(aZx+bZ)=F(ax+b)(l)成立，其中a>0，b是某个常数，F是此稳定分布的分布函数，而*是两个分布函数的卷积算符. 稳定分布的特征函数有如下形式:，(亡)一{￡J亡一}亡‘·〔1一刀击臼‘!，·，」}， (2)其中。<，(2，一1‘夕落1，‘)0，d是任意实数，而 f二: 1 tan~气丁一，仪介l， 田吸f，仪，二吸 〔一贡in}:}，:一，数“称为稳定分布的指数(exponellt of the stable曲-lribu加n).指数仪=2的稳定分布是正态分布(normaldistrib咖n)，Ca该勿分布(Cauchy distribution)则是指数，=1的稳定分布的例子，直线上的退化分布(degenerate distribution)也是一个稳定分布.稳定分布是无穷可分分布(infinitely一divisible山stributi(〕n);对于指数为“_且O<仪<2的稳定分布，其L如y典范表示(L亡四canonjcal化Presentation)有特征。2=0， C._C， 了V1它X)二—了V吸X】二一— }xl一x- c.)0，eZ)0，c一+eZ>0，下为任意实数. 一个稳定分布，除退化情形，必定具有密度.这个密度是无穷次可微的，单峰的，凤在整个实轴或半轴上异于零.对于指数为“且O<仪<2的稳定分布，关系式 丁}x}占，(;)、x<二，丁.x}’，(x)dx一二， 一泊_〔〔成立，其中占<，，P(x)是该稳定分布的密度.稳定分布密度的明显形式只有很少情形是已知的.稳定分布理论的基本问题之一是刻画它们的吸引域(见稳定分布的吸引域(attraetiondo~of a stab】e distribu-tion)). 在稳定分布集合中，还可以挑选出严稳定分布(strictly一51泛lble distribtltion)集，它们使方程(l)当b、二bZ二b二o时成立.指数为:(:拼均的严稳定分布的特征函数由公式(2)置d=0给出，而民=l的严稳定分布只可能是Cauchy分布.谱正(负)稳定分布由其L己Vy典范表示中M(x)=O(N(x)一0)这一事实所表征.谱正稳定分布的Lap玩c变换当Res)O时存在: fcxD、一。、一、、飞.:
