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M型超声波主要用于临床上心脏疾病的诊断,依据心肌的声学以及弹性特征,是一种无创性的诊断技术。本文提出了一种新的方法来自动判定心动周期。利用超声脉冲多普勒信号,对不同时刻的心脏振动进行相关性分析,找到两组一一对应的连续时点数列,从而判断出心脏运动的周期。本文最后进行了临床超声波数据的实验,并和医生的手动方法相比较。结果表明本文提出的检测方法达到了临床检测的效果,在心脏疾病的超声波诊断研究方面具有重要意义。  相似文献   
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In 2006, the Ministry of Higher Education, Malaysia, recommended that all public institutions of higher learning in the country incorporate soft skills formation into their curricula. This qualitative study aimed to explore Malaysian students?? expectations of university education with a special focus on the acquisition of soft skills and to examine the students?? perceptions of the instructors?? and the courses?? effectiveness in fulfilling their educational agendas. Ninety-six students at Universiti Malaysia Sabah (UMS) participated in this study. The findings revealed that their educational expectations were varied and diverse and could be separated into three categories, such as ??Life Skills??, ??Subject Matter (Hard Skills)??, and ??Soft Skills??. The students considered soft skills formation as an important part of university education. However, not all of the soft skills identified by the Ministry of Higher Education, Malaysia, were mentioned by the respondents. The article discusses the implications of the study??s findings for Malaysia??s higher education policy.  相似文献   
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This study examines metaphors about learning produced by a group of eighteen students at a big public university in Malaysia. The learner perspective is placed within a wider discourse on education in order to explore whether the images employed by the learners to describe their learning reflect the dominant conception of education as “production”. The metaphors supplied by the participants were analyzed and classified into several themes. None of the metaphors generated by the students alluded to the images that link education with “production”. The study contends that the student perspective on education can enrich educational discourse and highlight the previously obscured notions on education and learning.  相似文献   
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