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101.
针对作战对抗环境下侦察情报数据仿真模拟需求,重点从组件化仿真建模与多维想定编辑入手,提出了一种灵活、可配置的侦察情报数据仿真系统设计及其实现方法。从装备与行为两方面对侦察实体进行抽象,建立组件化仿真模型;并结合实战应用场景从组织、任务、空间、时间与信息交互等多个维度开展侦察行动预案设计,驱动仿真引擎加载相关的规则模型进行仿真推演与解算,输出最终的仿真模拟结果。仿真模拟试验结果证明了该方法的实用性与有效性。 相似文献
102.
Don Kanel 《Journal of economic issues》2013,47(4):827-840
In the first part of this two-part paper, I presented an "irenic" reconciliation of the three apparently contradictory definitions of "institution" within original institutional economics (OIE), employing the methodology of critical institutionalism. The critical institutionalist reconciliation of these definitions conceptualizes institutions as an emergent process by which the internal and necessary relations of social structure as collective action, mediated through agency, results in the control, expansion, and liberation of the individual action of social actors in transactions. In short, an institution is the emergent process of social structure actualized in transactions (social action). Institutions, therefore, not only have a structural existence, but also an actual existence as they are the process of the emergence of the actual (in transactions) from the structural. Institutions are multi-level processes and cannot be reduced to structures, actions, behaviors, or patterns of behaviors. In this part, I demonstrate the significance of this reconciliation in two areas. The first is its ability to further differentiate the institutional definition of economics as "the science of social provisioning" from the mainstream definition of economics as "a relationship between ends and scarce means" by decomposing the institutional definition into its productive and distributive processes. The second is its usefulness in modeling the interaction of non-economic social institutions with economic institutions at varying levels of detail. I also introduce critical institutional analysis, and use as a method, for model-building and use it to build models of communal, feudal, and industrial capitalist economies. 相似文献
103.
Broadband Internet has fundamentally changed business models in many industries. In the music industry, for instance, old business models were challenged by illegal competitors, and broadband Internet has enabled value creation through new business models. The changes that established business models experienced in the wake of broadband Internet, however, differed vastly across national markets, and these differences are not well understood. We build a conceptual framework and study the extent to which differences in economic and cultural factors are associated with different market outcomes in the wake of the proliferation of broadband Internet. Thus, we compile two unique data sets from the music industry, comprising (1) revenue data for 36 countries and 22 years and (2) piracy data for 47 countries and >2 years. We use a Bayesian multilevel model to explore between-country heterogeneity in the associations between these variables and broadband Internet adoption and business model innovations. Our results show that the negative association between broadband Internet penetration and music revenue is weaker in high-income countries, where income restrictions are less likely to drive demand towards illegitimate piracy services. In terms of cultural factors, we find that a market's response to the introduction of broadband Internet is less negative in countries scoring high on Hofstede's individualism and uncertainty avoidance dimensions. Furthermore, we find that overall revenues only recover after the latest generation of streaming services (e.g., Spotify) has been introduced, and the adoption of these services is associated with lower levels of online music piracy. 相似文献
104.
在当代中国,非公经济发展与改革开放及制度变迁原本是相通的,欠发达地区经济发展的实质就是非公经济的发展;安徽非公经济发展滞后的深层机理在于既定制度格局下的路径依赖。本课题深入分析了既定制度格局影响安徽非公经济发展的机制过程,以此为基础,提出了进一步加快发展的思路和对策。 相似文献
105.
《Journal of Travel & Tourism Marketing》2013,30(4):73-84
Abstract NEW HORIZONS IN TOURISM: STRANGE EXPERIENCES AND STRANGER PRACTICES. By Tej Vir Singh. CABI Publishing (Nosworthy Way, Wallingford, Oxfordshire, OX10 8DE UK), ISBN 0-8519-9863-1, 2004, xv + 221-pp. (tables, photographs, bibliography), £49.95 (hardbound). Reviewed By C. Michael Hall DESTINATION MARKETING ORGANISATIONS. By Steven Pike. Elsevier (The Boulevard, Langford Lane, Kidlington, Oxford, OX5 1GB, United Kingdom), ISBN 0-0804-4306-0, 2004, 231-pp. (bibliography, indices), £59.99 (hardbound). Reviewed By Chris Ryan 相似文献
106.
This study examined recreationists’ preferences for the development of value-added recreation products and services using the theory of recreation specialization. A choice modeling method was employed to evaluate the value-added products and services in the for-hire fishing boat industry. Data were collected through a mail survey using Florida saltwater fishing license holders as a study population. Study results indicated that anglers were interested in experiencing new attributes of boat fishing trips besides traditionally fishing-oriented aspects. Further, the results also provided evidence that heterogeneous preferences existed by level of recreation specialization. Study findings generally supported the proposition that as anglers become more involved in fishing activity, their focus expands from activity-specific to activity-general fishing experiences; thus, high specialization anglers likely attach high importance to nonfishing attributes. Managerial implications pertaining to the development of effective recreation products and services are discussed. 相似文献
107.
Erin Morris Gerard T. Kyle Kenneth E. Wallen James Absher 《Leisure Sciences: An Interdisciplinary Journal》2013,35(6):494-507
ABSTRACTThe effects of gender on involvement in high-risk recreation have received limited research attention despite mounting evidence suggesting the learned interactions between people and places likely vary for men and women. The purpose of this study was to provide insights into how gender influenced the motivation-involvement relationship among whitewater recreationists on a Wild and Scenic River in California. Our results revealed the motivations of Risk, Escape, Learning, and Achievement/Stimulation positively influenced involvement in rafting activities. Although gender did not influence all dimensions of involvement, we found that identity expression varied between subgroups. Specifically, men were more likely to ascribe meaning to rafting than women because this activity allowed them to affirm and express their individual character. The implications emanating from this study advance theoretical understanding of the factors that influence enduring involvement and inform natural resource management decisions about maintaining the desired benefits of activities sought by nature-based recreationists. 相似文献
108.
Dave D. White 《Leisure Sciences: An Interdisciplinary Journal》2013,35(4):342-359
A conceptual model tested the leisure constraints negotiation process of outdoor recreation: motivation and the constraints to participate likely influenced by negotiation efforts. Higher motivation to participate encourages using negotiation strategies and resources to overcome constraints. Experiencing constraints was thought to trigger negotiation efforts. Drawing from social cognitive theory, negotiation-efficacy was proposed to encourage motivation, diminish the perception of constraints and promote negotiation efforts, which indirectly influenced positive participation. The model tested used data collected from a random sample of Arizona residents through hierarchical confirmatory factor analysis and structural equation modeling. Results support the conceptual model and suggest the constraints negotiation process is a dynamic interaction of influences promoting outdoor recreation participation. 相似文献
109.
Gender has frequently been identified as one of the key attributes and predictors in developing marketing strategy. This study examines the moderating role of gender in the relationship between hotel service quality dimensions and tourist satisfaction with hotel service delivery. The results derived from multi-group structural equation modeling via the AMOS 5.0 computer program revealed that gender significantly moderated the relationship between service quality dimensions and tourist satisfaction with hotel service delivery. Empathy and tangibles both contributed as the most important significant predictors of tourist satisfaction with hotel service delivery for male tourists as opposed to female tourists. It is statistically confirmed that men and women appear to respond to different aspects of a service encounter when making judgments about their satisfaction. 相似文献
110.
This article relates to the annual Ratha Yatra festival at Puri, India, and aims at quantifying the pilgrim perception of the event on three major aspects of every facility – adequacy, quality, and signage – to measure their satisfaction. A questionnaire survey (N?=?680) was conducted, from which a five-factor structure was extracted using exploratory principal component analysis, further examined through partial least squares-path modeling. The final model was found to have significant positive effects on three factors that comprised adequacy and quality of physiological needs, quality of ancillary facilities, and signage. The outcome may be utilized in planning other pilgrim events for achieving a higher pilgrim satisfaction score. 相似文献