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71.
A new lighting and enlargement on phase spectrogram (PS) and frequency spectrogram (FS) is presented in this paper. These representations result from the coupling of power spectrogram and short time Fourier transform (STFT). The main contribution is the construction of the 3D phase spectrogram (3DPS) and the 3D frequency spectrogram (3DFS). These new tools allow such specific test signals as small slope linear chirp, phase jump case of musical signal analysis is reported. The main objective is to and small frequency jump to be analyzed. An application detect small frequency and phase variations in order to characterize each type of sound attack without losing the amplitude information given by power spectrogram 相似文献
72.
Louis-Gavet Guy 《Information processing & management》1977,13(3):189-200
In this paper we demonstrate a new method for concentrating the set of key-words of a thesaurus. This method is based on a mathematical study that we have carried out into the distribution of characters in a defined natural language.We have built a function f of concentration which generates only a few synonyms. In applying this function to the set of key-words of a thesaurus, we reduce each key-word to four characters without synonymity. (For three characters we have a rate of synonymity of approx. 1/1000th.)A new structure of binary files allows the thesaurus to be contained in a table of less than 700 bytes. 相似文献
73.
CE:Teens曾在2009年7月号的娱乐直播室提及3D风逐渐兴起的电影趋势。经过近两年的发展,而今电影院里似乎随便一部电影都可以带上特制眼镜享受身临其境的快感——听力小提示:这篇访谈语速稍快,但风格幽默搞笑,可以作为泛听材料进行练习。先脱离文字听一遍声音,看看你能否归纳出这段对话中提出了几个方面的问题,被访者对此又是如何作答的呢? 相似文献
74.
Drawing on the literature on service quality, value, satisfaction, and loyalty, the present study assumes a hierarchical, multidimensional scheme for perceived quality focussing on four process dimensions of service quality. The aim of this study is to test a comprehensive model of perceived quality on loyalty in the context of public aquatic centres in Australia. Using partial least squares structural equation modelling (PLS-SEM) on a sample of 961 repeat customers of three outdoor public aquatic centres, results from this study reveal that four first-order process quality dimensions—facility presentation, core services, secondary services and staff—are significant in determining their higher-order perceived quality construct, with facility presentation and staff having the strongest influence. Moreover, the results of the present study indicate that overall satisfaction fully mediates the impact of perceived quality and perceived value on loyalty (behavioural intentions), with perceived quality having the strongest influence on overall satisfaction and loyalty. The present study provides an enhanced conceptualisation of the perceived quality construct in the context of public aquatic centres and contributes to the debate on the relationships among service quality, satisfaction, value, and loyalty in the sport and leisure context. In addition to strengthening theoretical understandings, the present study offers a service quality model that allows aquatic centre managers to identify specific attributes of the service that can be managed to influence loyalty more favourably. 相似文献
75.
Cathy Burnett Guy Merchant Kate Pahl Jennifer Rowsell 《Discourse: Studies in the Cultural Politics of Education》2014,35(1):90-103
This article deconstructs the online and offline experience to show its complexities and idiosyncratic nature. It proposes a theoretical framework designed to conceptualise aspects of meaning-making across on- and offline contexts. In arguing for the ‘(im)materiality’ of literacy, it makes four propositions which highlight the complex and diverse relationships between the immaterial and material associated with meaning-making. Complementing existing sociocultural perspectives on literacy, the article draws attention to the significance of relationships between space, mediation, materiality and embodiment to literacy practices. This in turn emphasises the importance of the subjective in understanding how different locations, experiences and so forth inflect literacy practice. The article concludes by drawing on the Deleuzian concept of the ‘baroque’ to suggest that this focus on articulations between the material and immaterial helps us to see literacy as multiply and flexibly situated. 相似文献
76.
Guy A. Boysen Timothy J. Kelly Holly N. Raesly Robert W. Casner 《Assessment & Evaluation in Higher Education》2014,39(6):641-656
Student evaluations of teaching are ubiquitous and impactful on the careers of college teachers. However, there is limited empirical research documenting the accuracy of people’s efforts in interpreting teaching evaluations. The current research consisted of three studies documenting the effect of small mean differences in teaching evaluations on judgements about teachers. Differences in means small enough to be within the margin of error significantly impacted faculty members’ assignment of merit-based rewards (Study 1), department heads’ evaluation of teaching techniques (Study 2) and faculty members’ evaluation of specific teaching skills (Study 3). The results suggest that faculty and administrators do not apply appropriate statistical principles when evaluating teaching evaluations and instead use a general heuristic that higher evaluations are better. 相似文献
77.
Verstaen, Humphreys, Olson and D'Ydewalle [(1995) Journal of Memory and Language, 34, 335–356] reported null phonemic masking effectswith homophone targets under conditionsdiscouraging reliance on phonology. Theyattributed these null effects to the absence ofreliance on phonology, concluding that relianceon phonology may be strategically controlled. Two studies using Verstaen et al.'s methodoccasionally replicate these null phonemicmasking effects, but challenge theirinterpretation. The emergence of null phonemicmasking effects was unrelated to the strategymanipulation. Conversely, evidence forphonology emerged in homophone errorsregardless of the strategy manipulation anddespite null phonemic masking effects. Ourfindings reflect an inherent instability in theperception of homophones. We demonstrate thatthis instability is directly due to reliance onphonology, rather than to its control. 相似文献
78.
Guy Claxton 《Assessment in Education: Principles, Policy & Practice》1995,2(3):339-343
Klenowski (1995) identifies three aspects of ‘self‐assessment’. The present commentary examines these from the point of view of the development of learning‐to‐learn or ‘learning acumen’, which, it is proposed, comprises resilience, resourcefulness, reflectivity and responsibility. The minimal sense of self‐evaluation, in which students merely learn to monitor their performance in terms of externally specified criteria, may raise attainment without improving learning acumen, and may even damage it. What constitutes ‘good work’ is, in many domains, not reducible to the application of predetermined criteria. Self‐evaluation is essentially an intuitive process. Learning to see self‐evaluation as ‘marking one's own work’ by applying a checklist of criteria prevents the development of this intuitive ability. 相似文献
79.
80.
Guy Neave 《Tertiary Education and Management》2013,19(3):181-197
Abstract This article analyses the implications for the integration of higher education in Europe as presented by the Bologna process. It examines the evidence presented in official documents which claim a wide‐spread consensus for this initiative. The article analyses the particular ideological commitment built into the Bologna process in the light of its four objectives Mobility, Employ ability, Competitiveness and Attractiveness. It questions whether that consensus, largely taken for granted at the higher levels of political discussion, is fully reflected in ‘le pays reel’ ‐ at the chalk face. It argues that the main test of the Bologna ‘principles’ will come when talk gives way to implementation, both at the level of first degrees and in the area of research training. 相似文献