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81.
李天道 《吉首大学学报(社会科学版)》2013,34(1):20-26
受《周易》神秘文化影响,在中国美学看来,“气”是宇宙的原初实有,是最高的本体,“道”即混沌之“气”,宇宙万物皆由“气”所化生化合;作为宇宙万物生成的中间环节,“气”生于“道”或“太极”,是宇宙万物的共同构成质料或元素。审美创作活动中心物的感应、情景的交融离不开“气”与“气化”作用。由此,中国美学提出了“气之动物,物之感人”说:宇宙万物的生成本源为“阴阳”二气,“阴阳”二气的运行,“气”之动物,激发了万物的生长发育,自然也激发创作者的创作动机,而摇荡性情,形诸舞咏,引起审美创作。“物动心感”,引起创作者内心感动与审美域构成的原初动力是“气”。 相似文献
82.
83.
Stelios Arvanitis 《统计学通讯:理论与方法》2018,47(1):28-41
We are occupied with an example concerning the limit theory of the ordinary least squares estimator (OLSE) when the innovation process of the regression has the form of a martingale transform the iid part of which lies in the domain of attraction of an α-stable distribution, the scaling sequence has a potentially diverging truncated α-moment, and the regressor process has a potentially divergent truncated second moment. We obtain matrix rates that reflect the stability parameter as well as the slow variations present in the aforementioned sequences, and stable limits. We also derive asymptotic exactness, consistency, and local asymptotic unbiasedness under appropriate local alternatives for a heteroskedasticity robust Wald test based on subsampling. The results could be useful for inference on the factor loadings in an instance of the APT model. 相似文献
84.
智能网联汽车(Intelligent connected vehicles,ICV)是无人驾驶技术的核心载体,产业链长,市场巨大,吸引了国内外众多汽车厂商和信息企业都纷纷投向ICV的研发与测试,部分ICV车型已进入量产阶段,新的概念车型也陆续提出。针对新型ICV的发展现状与关键技术,从ICV智能化和网联化两个维度对ICV中涉及到的相关技术进行分析,进一步从信息处理的感知层、决策层、控制层3个层次构建了ICV发展过程中的关键技术体系结构。研究表明,车辆环境感知和通信技术技术涵盖自车状态和外部环境,短程通信技术(DSRC)、机器视觉和激光雷达技术是实现车辆环境信息采集功能完善的关键;车路协同系统涉及车—车通信、车—路通信、车—云通信,协同智能交通系统、云平台和大数据技术是车路协同技术的关键;驾驶辅助技术包括自适应巡航控制系统、车道偏离/避免系统、碰撞预警/避免系统等8个构成,这是辅助驾驶、部分自动驾驶和有条件的自动驾驶3个智能化阶段中的关键;具有自主学习、自我决策的人工智能技术和信息安全技术也是智能网联汽车的关键技术,在此基础上,还应该实现多种技术间的相互支撑与融合,克服关键技术协同障碍,才能实现ICV的市场推广与普及应用。 相似文献
85.
XIAOFENG SHAO 《Scandinavian Journal of Statistics》2012,39(4):772-783
This article is concerned with inference for the parameter vector in stationary time series models based on the frequency domain maximum likelihood estimator. The traditional method consistently estimates the asymptotic covariance matrix of the parameter estimator and usually assumes the independence of the innovation process. For dependent innovations, the asymptotic covariance matrix of the estimator depends on the fourth‐order cumulants of the unobserved innovation process, a consistent estimation of which is a difficult task. In this article, we propose a novel self‐normalization‐based approach to constructing a confidence region for the parameter vector in such models. The proposed procedure involves no smoothing parameter, and is widely applicable to a large class of long/short memory time series models with weakly dependent innovations. In simulation studies, we demonstrate favourable finite sample performance of our method in comparison with the traditional method and a residual block bootstrap approach. 相似文献
86.
基于技术接受理论(TAM)构建了网上银行客户采纳模型,运用问卷调查的数据对此模型进行了验证。结果表明:网上银行的技术接受模型得到了验证;个人创新特质和感知安全性对网上银行使用意向有显著的影响;将个人创新特质、感知安全性与TAM理论结合起来,在一定程度上可以更好地解释客户网上银行的使用行为。 相似文献
87.
Timothy A. Gibson 《Cultural Studies》2013,27(1):133-160
Abstract This essay addresses the institutional conditions of cultural studies, especially those bearing on cultural studies teaching. It does so by reviewing the history of the Open University Popular Culture course from an insider's perspective. Whereas most published accounts of this course have related it closely to the concerns of the Birmingham Centre for Contemporary Cultural Studies, this essay suggests that the two projects — while overlapping in certain respects — are more usefully thought of as distinct. Having disentangled the history of the Open University course from that of the Birmingham Centre, the author goes on to advance a more general argument concerning the politics and practice of cultural studies pedagogy. The essay's main contention in this regard is that a conception of cultural studies teaching which connects it to the cultivation of resistive practices in the classroom is incoherent. It is suggested that this now influential current of thought is best assessed as a negative outcome of the encounter between the projects of cultural studies and US liberationist philosophy. 相似文献
88.
《The Senses and Society》2013,8(2):151-173
ABSTRACTThis article explores the domain of odors and olfaction on the island of Bohol, The Philippines. It recounts how my research interests were drawn to this domain by local preoccupations with smell as an aspect of everyday sociality, expressed in speech, modes of interaction and evaluation, and the discursive construction of ethnicities and other social kinds. Bohol's long and complex history and its place in the contemporary world entail a complex, differentiated sociocultural present, which is also reflected in the domain of odors and Boholanos' experiences thereof. Accordingly, the article makes a case for an approach to this domain that flexibly deploys basic ethnographic procedures and more formal techniques, specifically, domain and cultural consensus analysis. This dual methodology, it is argued, is sensitive to the differences between differentially positioned agents, but also demonstrates the degree of sharedness—of experience, categorical schemes, and historicity—that jointly characterize this domain. I use a partial set of results, pertaining to human body odors, to exemplify the approach and to depict a key dimension of Boholano social experience; one that speaks to the place of individuals in the local setting and to the position of the population generally in the commodified world of cosmetics. 相似文献
89.
JACQUES DEMONGEOT 《Mathematical Population Studies》2013,20(4):199-209
ABSTRACT For a unimodal growth function f having its maximum at a critical state x c , the interval bounding the population size asymptotically is usually presented as being equal to [f ○2(x c ), f(x c )]. This interval however does not represent the maximum range within which the population size can vary, even asymptotically. The actual invariant interval containing the population size is equal to: [min(x*, f ○2(x c )), f(x c )], where x* denotes the non-zero fixed point, assumed to be unique, of the iteration of f. 相似文献
90.
影视之镜下的人类之像——人类学纪录片在影视媒介中的“视像”呈现 总被引:1,自引:0,他引:1
影视媒介从一开始就与人类学结下了不解之缘,并催生了人类学纪录片和影视人类学。采用影像文本分析的方法,从人类学纪录片的视角、视点、视域三个方面,探讨了纪录片在影像人类学透镜下展现人之类像的镜像机制。 相似文献