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汉语语音材料的总响度修正方法研究
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作者 李德民 祝培生 +3 位作者 郭飞 陶畹琪 周凯宇 任锡洁 《电声技术》 2018年第7期33-37,共5页
本文针对汉语语音材料的特点,对ITU-R BS 1770-4标准推荐的响度算法的有效性进行研究,并与传统意义上的A计权声级评价标准进行对比。本文设计了两组基于成对比较的主观听音实验,对算法的可靠性进行估计。研究表明ITU-R BS 1770-4推荐的... 本文针对汉语语音材料的特点,对ITU-R BS 1770-4标准推荐的响度算法的有效性进行研究,并与传统意义上的A计权声级评价标准进行对比。本文设计了两组基于成对比较的主观听音实验,对算法的可靠性进行估计。研究表明ITU-R BS 1770-4推荐的算法比传统意义上的A计权声级评价标准,在预测汉语语音材料响度方面表现出了更好的适用性。 展开更多
关键词 响度修正 ITU—RBS1770—4 成对比较
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China's Round-Tripped FDI: Trends,Determinants, and Policy Implications
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作者 姜子叶 范从来 《China Economist》 2011年第2期76-85,共10页
With observations and reflections on a series of phenomena,such as the "independent situation"of China's FDI during the recent global financial risis and the increase of round tripped investment after the "tax rat... With observations and reflections on a series of phenomena,such as the "independent situation"of China's FDI during the recent global financial risis and the increase of round tripped investment after the "tax rate unification,"this paper examines a unique phenomenon in China's FDI-round tripped investment.It reveals its determinants from a micro-perspectiv ,and establishes a vector error correction mode(VECM)for emprirical testing.The results is that the determinants of China's round tripped investment are institutional factors such as "achievable differential treatment" and cpaital control.Tax ,exchange rate,housing price and capital control intensity all have an impact on the scale of round tripped FDI.However,judging from the extent of influence,the most important factor should be exchange rate ,followed by capital control intensity and housing price,and tax has a limited impact. 展开更多
关键词 round-tripped FDI achievable differential treatment capital regulation DETERMINANT
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