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1)  Fractional lower order α stable distribution
分数低阶α稳定分布
2)  α-stable distribution
α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 distribution
α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。
3)  α stable distribution
α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。
4)  alpha stable distribution
α-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。
5)  α-stable distribution
α-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。
6)  alpha stable distribution
α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。
补充资料:α,α,α,α',α',α'-六氯对二甲苯
分子式:C8H4Cl6
分子量:312.84
CAS号:68-36-0

性质:白色针状或粉末状结晶。熔点108-110℃。溶于二甲苯、石油醚、乙醇、植物油,不溶于水。无味,有特殊臭味,遇光、碱会缓慢分解而呈酸性。

制备方法:以混二甲苯为原料,先用98%硫酸磺化,使间二甲苯生成间二甲苯磺酸盐。从磺化反应物中分离出含邻、对二甲苯的油层,水洗、干燥,减压蒸馏出邻、对二甲苯。间二甲苯磺酸盐经水解可得副产品间二甲苯。由邻、对二甲苯经氯化即得1,4-双(三氯甲基)苯:在反应锅中投入邻、对二甲苯,再加入过氧化苯甲酰和三乙醇胺。加热到70℃后,在光照射下导入氯气,于70-80℃反应6h,再升温至100-120℃继续反应,至反应液相对密度达到1.560-1.580(65℃),即为反应终点,停止通氯,减压脱除余氯。降温至5℃,过滤,洗涤得粗品,重结晶,活性炭脱色得成品。

用途:抗血吸虫病药物。对肝吸虫病、阿米巴原虫病、疟疾以及肠道线虫有一定疗效。但对神经系统的不良反应较多见,且延迟反应持续较久。

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