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基于浮动车数据的城市道路行程时间估计 被引量:6
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作者 罗霞 曹阳 +1 位作者 刘博 李演洪 《交通运输工程与信息学报》 2018年第2期1-8,共8页
为提高城市道路行程时间估计模型的准确度和有效性,本文利用浮动车数据,依据对传统模型思路的总结分别建立了基于路段长度比例和点速度调和平均值的两种行程时间初阶估计模型,并利用统计学中的同分布融合思想建立了行程时间融合模型,以... 为提高城市道路行程时间估计模型的准确度和有效性,本文利用浮动车数据,依据对传统模型思路的总结分别建立了基于路段长度比例和点速度调和平均值的两种行程时间初阶估计模型,并利用统计学中的同分布融合思想建立了行程时间融合模型,以修正初阶模型结果的精度,弥补传统估计模型中准确度低、效率不高的缺陷。最后选取成都市具有代表性的路网区域为算例,验证了初阶模型假设分布的正确性,同时计算出融合模型路径总时间的平均偏差仅为12%,说明了融合模型的准确度和有效性。 展开更多
关键词 交通工程 行程时间估计 同分布融合 浮动车数据
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Discussion on the Effect of Humanistic Care in Nursing for Elderly Schizophrenia Patients
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作者 luoxia 《外文科技期刊数据库(文摘版)医药卫生》 2022年第10期115-118,共4页
Objective: to explore the significance of choosing humanistic care nursing intervention measures during the nursing intervention for elderly schizophrenics, and to compare and analyze the difference between them and t... Objective: to explore the significance of choosing humanistic care nursing intervention measures during the nursing intervention for elderly schizophrenics, and to compare and analyze the difference between them and the conventional nursing intervention mode. Methods: the selected personnel in this study were elderly patients with schizophrenia who were admitted to the psychiatric department of our hospital and provided corresponding nursing services. During the period of this trial, 80 eligible patients were selected and grouped by random mathematical table. 40 patients were selected into the control group and received corresponding neuroscience treatment during this period;Among them, 40 patients were selected into the observation group and received humanistic care. There were three key indicators of the study - the measurement results of the severity of symptoms of mental classification before and after nursing, the measurement results of mental status before and after nursing, and the measurement results of social function before and after nursing. Results: through the measurement of the severity, mental state and social ability of schizophrenia, there was no significant difference in the measurement of all observation indicators before interventional treatment, and the p value was greater than 0.05;Three different results show that their indicators have been significantly improved, but their indicators have been significantly improved, mainly because of the low severity score of schizophrenia, low mental status and high social function test results. Conclusion: in the process of nursing the elderly, the use of humanistic care can improve the psychological status of patients, improve their social ability, and gradually improve their quality of life, which deserves the attention of clinical researchers. 展开更多
关键词 humanistic care elderly schizophrenia nursing effect social function mental state
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