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光电编码器检测技术的研究现状及发展趋势 被引量:10
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作者 韦湘宜 丁红昌 曹国华 《电子科技》 2015年第9期184-188,共5页
阐述了光电编码器的工作原理,按照编码方式的不同将光电编码器分为两类,总结比较两类编码器的性能特点及各自的优缺点。针对编码器检测技术的研究现状,介绍了常见编码器检测方法及模型,以及国内外现有的光电编码器检测技术及装置,并对... 阐述了光电编码器的工作原理,按照编码方式的不同将光电编码器分为两类,总结比较两类编码器的性能特点及各自的优缺点。针对编码器检测技术的研究现状,介绍了常见编码器检测方法及模型,以及国内外现有的光电编码器检测技术及装置,并对比、分析、统计各检测方法的特点、适用场合及不足之处。并概括总结了未来光电编码器检测技术高精度、高效、高适用性的发展趋势。 展开更多
关键词 光电编码器 角度传感器 检测装置 精度
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Non-Invasive Treatment to Grade 1 Essential Hypertension by Percutaneous Laser and Electric Pulse to Acupoint with Music:A Randomized Controlled Trial 被引量:3
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作者 詹鸿锐 洪仲思 +5 位作者 陈奕伸 洪海裕 翁泽滨 杨璋斌 师晶丽 陈仲本 《Chinese Journal of Integrative Medicine》 SCIE CAS CSCD 2016年第9期696-703,共8页
Objective: To study a non-drug therapy for hypertension disease by combining percutaneous laser and electric pulse stimulation to acupoint with music, and to test the efficiency of the combining treatment to grade 1 ... Objective: To study a non-drug therapy for hypertension disease by combining percutaneous laser and electric pulse stimulation to acupoint with music, and to test the efficiency of the combining treatment to grade 1 essential hypertension. Methods: A total of 174 patients with grade 1 essential hypertension were randomly assigned to 3 groups with a random number table after Chinese medicine(CM) syndrome differentiation: the photoelectric and musical treatment group(Group 1, with a self-developed multi-mode audio frequency pulse photoelectric therapeutic apparatus), acupuncture group(Group 2), and oral placebo group(Group 3), 58 cases per group. The curative effect of each group was evaluated by the changes of blood pressure and CM syndrome integral before and after treatment. Results: Compared with Group 3, there were significant decrease of blood pressure and CM syndrome integral in Group 1 and Group 2(P〈0.01). Compared with Group 2, Group 1 showed the highest decrease in systolic pressure(P〈0.017). The total effective rate of anti-hypertension in Group 1(91.38%, 53/58) was significantly higher than that in Group 2(74.13%, 43/58) and Group 3(18.97%, 11/58, P〈0.05 or P〈0.01); and that in Group 2 was also significantly higher than that in Group 3(P〈0.01). There were significant difference in the total effective rate of CM syndrome integral in both Group 1(93.10%, 54/58) and Group 2(84.48%, 49/58) as compared with Group 3(17.24%, 10/58, P〈0.01), while there was no significant difference between Group 1 and Group 2(P〉0.05). Conclusions: The multi-mode audio frequency pulse photoelectric therapeutic apparatus, combining music, laser and electric pulse stimulation, is clinically useful for grade 1 essential hypertension. This "three in one" therapy method is non-invasive, easy and simple to handle. It is expected to be popularized as a new alternative treatment. 展开更多
关键词 laser and electric pulse stimulation to acupoint musical treatment multi-mode audio frequency pulse photoelectric therapeutic apparatus grade 1 essential hypertension
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