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941.
This paper discusses the significance of segmental and prosodic knowledge sources for developing a text-to-speech system for
Indian languages. Acoustic parameters such as linear prediction coefficients, formants, pitch and gain are prestored for the
basic speech sound units corresponding to the orthographic characters of Hindi. The parameters are concatenated based on the
input text. These parameters are modified by stored knowledge sources corresponding to coarticulation, duration and intonation.
The coarticulation rules specify the pattern of joining the basic units. The duration rules modify the inherent duration of
the basic units based on the linguistic context in which the units occur. The intonation rules specify the overall pitch contour
for the utterance (declination or rising contour), fall-rise patterns, resetting phenomena and inherent fundamental frequency
of vowels. Appropriate pauses between syntactic units are specified to enhance intelligibility and naturalness. 相似文献
942.
J. J. Wellington 《Journal of Computer Assisted Learning》1988,4(1):22-33
Abstract This paper describes a survey of computer use in secondary education carried out through the Times Network for Schools using a form of electronic questionnaire. The survey was a small part of a much larger project, the 'Skills for the Future' project, which is investigating the links between information technology (IT) in education and in employment. Although the nature of the sample inevitably means that the results are biased towards schools whose involvement in IT is above average, the survey does pose some interesting questions — particularly when its findings are compared and contrasted with those of the DES survey of 500 secondary schools at the end of 1985. The results of the survey indicated that Computer Studies is still dominant within the secondary curriculum, although many schools see the use of IT across the curriculum as their main goal. This paper highlights some of the factors preventing the diffusion of IT into the areas of the secondary curriculum it has seldom reached. 相似文献
943.
竹集成材家具的特征与生产技术 总被引:1,自引:0,他引:1
介绍了竹集成材家具的特征和竹集成材家具的生产工艺,并结合生产实际分析了竹集成材家具生产的技术环节。 相似文献
944.
结合JGJ 149-2006混凝土异形柱结构设计规程,介绍了异形柱的概念及特点,针对异形柱结构设计过程中容易被忽略的结构计算、布置方式、节点核心区承载力等问题进行了探讨,并提出建议,以期指导实践。 相似文献
945.
以某大型中药材交易大厅工程消防设计为例,重点探讨大型连廊式商业综合体建筑的防火设计难点和设计要求. 相似文献
946.
本文通过对话形式,全面展示了北京服装学院的特色优势,凸显了其创设时尚及“艺工融合”的独特观念与办学实施特色,在梳理基于北京服装学院的既有优势,探索自我发展的道路中,也触及无形中对当下新文科建设的一种有力呼应。北京服装学院确立了立足北京,积极融入国家的发展战略,不仅主动参与北京时尚之都、具有中国特色的世界城市建设,而且在服务中国纺织服装行业发展中亦发挥了办学优势,做出了独特贡献。学校注重开放式人才培养,形成了“艺术与科学技术相结合,艺术教育与工程教育、管理教育相结合,民族服饰文化与现代设计理念相结合,理论教学与实践相结合”的高水平特色大学人才培养体系。 相似文献
947.
World energy demand is projected to rise to 1000 EJ (EJ = 1018 J) or more by 2050 if economic growth continues its course of recent decades. Both reserve depletion and greenhouse gas emissions will necessitate a major shift from fossil fuels as the dominant energy source. Since nuclear power is now unlikely to increase its present modest share, renewable energy (RE) will have to provide for most energy in the future. This paper addresses the questions of what energy levels RE can eventually provide, and in what time frame. We find that when the energy costs of energy are considered, it is unlikely that RE can provide anywhere near a 1000 EJ by 2050. We further show that the overall technical potential for RE will fall if climate change continues. We conclude that the global shift to RE will have to be accompanied by large reductions in overall energy use for environmental sustainability. 相似文献
948.
Michel Honselaar Guzay Pasaoglu Adwin Martens 《International Journal of Hydrogen Energy》2018,43(27):12278-12294
As of 2003, 15 hydrogen refuelling stations (HRSs) have been deployed in the Netherlands. To become established, the HRS has to go through a permitting procedure. An important document of the permitting dossier is the quantitative risk assessment (QRA) as it assesses the risks of the HRS associated to people and buildings in the vicinity of the HRS. In the Netherlands, a generic prescribed approach exists on how to perform a QRA, however specific guidelines for HRSs do not exist. An intercomparison among the QRAs of permitted HRSs has revealed significant inconsistencies on various aspects of the QRA: namely the inclusion of HRS sub-systems and components, the HRS sub-system and component considerations as predefined components, the application of failure scenarios, the determination of failure frequencies, the application of input parameters, the consideration of preventive and mitigation measures as well as information provided regarding the HRS surroundings and the societal risk. It is therefore recommended to develop specific QRA guidelines for HRSs. 相似文献
949.
通过对隘头矿区总体构造的分析,结合该区的含煤岩系特征,阐述了该区的控煤构造及其形成机制,探讨了区内的构造特征及其赋煤规律,对今后矿山开发具有重要的指导意义。 相似文献
950.
炼焦煤的荧光特性与其结焦性的关系 总被引:1,自引:0,他引:1
简述了炼焦煤中镜质组荧光产生的机理及荧光参数的测量方法,通过一系列炼焦煤的10kg小焦炉结焦性试验,探讨了炼焦煤的荧光特性与其结焦性的关系。 相似文献