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1)  covariation spectrum
共变谱
1.
The statistical characteristics of stable distribution was introduced, described its spectral representation, proposed a new different spectral density from power spectrum density of second order processes, thus a new concept of stable white noise and a method of whitening based on covariation spectrum under alpha-stable conditions were got.
在简要介绍稳定分布统计特性的基础上,描述了稳定分布的谱表示,提出了一种不同于二阶过程功率谱的共变谱密度概念及基于共变函数与共变谱密度的稳定分布白噪声的概念及其判断标准,对传统意义上的白噪声进行了广义化,并依据稳定分布的参数模型,论述了一种基于α谱的频域广义白化滤波方法。
2)  co-spectrum
共谱
3)  Shear wave resonant spectrum
切变波共振吸收谱
4)  covariation [kəu,veəri'eiʃən]
共变
1.
Adaptive time delay estimation based on covariation series in impulsive noise
脉冲噪声下基于共变序列的自适应时延估计
2.
To solve the problem that the-spectrum estimation performance based on covariation under the-stable noise environmentbecomes obviously worse when the distribution parameter is small,a method of fractional low-order covariance(FLOC) spectrum estimation was proposed.
针对在分布参数值较小时稳定分布噪声下基于共变的谱估计性能较差这一问题,提出了一种分数低阶协方差(FLOC)谱估计方法。
3.
After introducing the fractional lower order statistics,including the covariation and the fractional order correlation(FOC),a new method of 2-D direction finding based on the fractional order correlation for underwater 2-D source localization using a vector hydrophones array under al.
利用稳定分布对实际中所遇到的具有较大脉冲特性的随机噪声进行建模,分析了共变在阵列信号处理中的不足,利用已有的矢量水听器模型建立一种水下目标定向系统,提出了一种基于分数阶相关的水下目标定向算法。
5)  covariance [英][kəu'vɛəriəns]  [美][ko'vɛrɪəns]
共变
1.
This paper, based on the theory of Covariance, endeavors to analyze the covariance of language and society through comparing the old vocabularies, new vocabularies and loan vocabularies from the perspective of the historical development in Chinese vocabularies.
以美国社会语言学家布赖特提出的"语言和社会结构共变"理论(Covariance)为依据,从语言中最敏感的词汇(旧词、新词、外来词)的角度出发,可以看出语言和社会存在着一定的"共变"关系。
2.
The paper studies five main characteristics of Internet English vocabulary and thus proves the principle that the formation and development of Internet English words is the result of the covariance of language and society.
该文探讨了网络英语词汇形成的系列化、缩略法、修辞手段、旧词新义、词汇变体等特点 ,从而揭示了网络英语词汇的产生、发展是语言与社会“共变”关系的产物这一规
3.
Thus according to analyzing the accommodation between the phenomena of WanQing loanwords and those social condition,this thesis puts emphasis on proving the covariance of language and society.
本论文的探究目的,即在于通过探析晚清社会与外来词之间的互动关系,论证“语言与社会共变”的道理。
6)  co-variation
共变
1.
This paper discusses the relations of "co-variation" between society and language from sociolinguistics.
笔者从社会语言学角度探讨了社会与语言之间的“共变”关系。
2.
This article points out that the relationship between education and society is co-variation.
在分析两种偏颇论点的基础上,指出教育与社会是一种共变的关系。
补充资料:四变──共不共四变
【四变──共不共四变】
  ﹝出宗镜录﹞
  问云:本识变现根身器世间等,为是自变?为是共变?答:有四种不同也。(本识,即藏识也。)
  [一、不共中不共变],谓如眼等五根,唯自己第八识中最初一念,托父母遗体时变现,名不共;出胎之后,唯自己受用,复名不共。如眼识,惟依眼根而发;乃至身识,唯依身根而发,不相混杂,是为不共中不共变。
  [二、不共中共变],谓内浮尘根,初唯自己第八识变现,名不共变;生已后,他人亦有受用之义,复名为共,是为不共中共变。(浮尘根者,谓眼耳等诸根,皆由色香味触四尘所成,故名浮尘。楞严经云:眼如蒲萄朵等。是也。他人受用者,谓自己浮尘根能见之境,他根亦能见,而亦得同受用也。)
  [三、共中共变],谓如山河大地,由多人之识同所变现,名之为共变;己亦与一切同用,复名为共,是名共中共变。
  [四、共中不共变],谓如己田宅,不与人共。又如一水,人见是水,饿鬼见是猛火、脓血等物,是名共中不共变。
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