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Voiceprint Recognition based on Machine Learning Methods 基于机器学习方法的声纹识别
Pub Date : 2022-01-01 DOI: 10.56828/jser.2022.1.1.3
A. Kunjir
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引用次数: 0
Competent and uncomplicated PID control algorithm design expressions for controlling second order systems 二阶系统的有效且简单的PID控制算法设计表达式
Pub Date : 2022-01-01 DOI: 10.56293/ijasr.2022.5478
Mohamed S. Soliman
Proportional-integral-derivative (PID) control algorithm with its various forms, namely P (proportional), PI (proportional-integral), PD (proportional-derivative), PID, and compensators, is considered the most applied and widely used control algorithms in industry; this is because of its simple construction, robustness and capabilities to achieve desired control over plant performance. Designing PID algorithm is accomplished with a compromise to result in an overall system responds with acceptable levels of stability, response fastness, smoothness and costs. Various PID design methodologies and expressions have been introduced in text and literature,each has its advantages, disadvantages and limitations. In the present work, a new, efficient, simple, easy to apply and linear expressions for PID algorithmP-. PI, PD, and PID modes design are derived and presented. Expressions are derived based on relating parameters of both controller and plant. The expressions are intended to control the behavior of second order systems and approximated as such systems, such that it responds with acceptable stability level, minimum possible overshoot, oscillations and steady state error. To further improve the resulted response, only one tuning parameter α, is introduced To test, analyze, and evaluate the design expressions, MATLAB/Simulink software was used. A simulation model was built by integrating the next sub-models; PID control algorithm modes, drive with limitation and saturation blocks, sensor, desired output signal generator and finally various forms of second order systems. The simulation model was developed and refined to be as close as possible to real life conditions and processing. Studying the recorded testing, graphical and numerical results show that the suggested expressions are being simple and easy to apply, and also efficient in providing better control over controlled system’s behavior in terms of response measures and performance indices.Moreover, expressions are efficient to speed up response and eliminate or reduce overshoot, rise time and settling time. Studying results show that, the overall system responds with acceptable fast response, in most cases without overshoot, oscillation and with minimum steady state error and better ISE and IAE indices values.
比例-积分-导数(PID)控制算法有多种形式,即P(比例)、PI(比例-积分)、PD(比例-导数)、PID和补偿器,被认为是工业中应用最多、应用最广泛的控制算法;这是因为其结构简单,坚固耐用,并且能够实现对工厂性能的预期控制。PID算法的设计是通过妥协来完成的,从而使整个系统的响应具有可接受的稳定性、响应速度、平滑度和成本水平。各种PID设计方法和表达在文本和文献中都有介绍,每种方法都有其优点,缺点和局限性。本文提出了一种新的、高效、简单、易于应用和线性表达的PID算法。推导并给出了PI、PD和PID模式的设计。根据控制器和对象的相关参数推导了表达式。这些表达式旨在控制二阶系统的行为,并近似为这样的系统,使其响应具有可接受的稳定水平,最小可能的超调,振荡和稳态误差。为了进一步改善结果的响应,只引入一个调谐参数α,使用MATLAB/Simulink软件对设计表达式进行测试、分析和评价。通过对各子模型的整合,建立仿真模型;PID控制算法模式,带限制和饱和块驱动,传感器,期望输出信号发生器,最后是各种形式的二阶系统。仿真模型的发展和完善,以尽可能接近真实的生活条件和处理。通过对试验记录的研究,图形和数值结果表明,所提出的表达式简单、易于应用,并且在响应度量和性能指标方面能够更好地控制被控系统的行为。此外,表达式可以有效地加快响应速度,消除或减少超调、上升时间和沉降时间。研究结果表明,系统整体响应速度快,大多数情况下无超调、振荡,稳态误差最小,ISE和IAE指标值较好。
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引用次数: 0
Deep Learning Approaches for Overcoming Nonorthogonal Multiple Access Challenges in 5G Networks: A Review 克服5G网络中非正交多址挑战的深度学习方法综述
Pub Date : 2022-01-01 DOI: 10.56293/ijasr.2022.5514
Mohammed S. Alzaidi
Nonorthogonal multiple access (NOMA) is a promising multiple access scheme for 5G wireless networks. However, NOMA faces several challenges that still need to be solved optimally. Deep learning algorithms have been proposed as a potential solution to address these challenges. This review provides an overview of the use of deep learning algorithms to optimize NOMA performance in 5G networks. An investigation is conducted on how deep learning methods are applied in NOMA systems for resource allocation, channel estimation and detection, successive interference cancellation, and user clustering.They can learn optimal user clustering, optimal allocation, and interference alignment strategies, eventually boosting the network performance. In addition, deep learning algorithms can learn the complex relationships between the transmitted symbols and the received signal, leading to accurate detection of the superimposed signals. Opportunities and challenges in NOMA can be identified based on existing research showing how applying deep learning algorithms is better than conventional approaches. The main contribution of this review is to provide insights into the potential of deep learning algorithms to remarkably improve NOMA performance in 5G networks. This article is also a valuable resource for researchers and practitioners interested in using deep learning algorithms for NOMA in 5G networks.
非正交多址(NOMA)是一种很有前途的5G无线网络多址方案。然而,NOMA面临着一些挑战,仍然需要以最佳方式解决。深度学习算法已被提出作为解决这些挑战的潜在解决方案。本综述概述了在5G网络中使用深度学习算法优化NOMA性能的情况。研究了如何在NOMA系统中应用深度学习方法进行资源分配、信道估计和检测、连续干扰消除和用户聚类。它们可以学习最优用户聚类、最优分配和干扰对齐策略,最终提高网络性能。此外,深度学习算法可以学习发送符号与接收信号之间的复杂关系,从而准确检测叠加信号。根据现有的研究,可以确定NOMA中的机遇和挑战,这些研究表明,应用深度学习算法比传统方法更好。本综述的主要贡献是深入了解深度学习算法在5G网络中显著提高NOMA性能的潜力。对于有兴趣在5G网络中使用深度学习算法的NOMA的研究人员和实践者来说,本文也是一份宝贵的资源。
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引用次数: 0
Knowledge, Attitudes, Beliefs, and Student’s Academic Performance on Dynamic learning Program 动态学习计划中知识、态度、信念与学生学习成绩的关系
Pub Date : 2022-01-01 DOI: 10.56293/ijasr.2022.5403
Von Miguel P. Asenorio, Luzvimin B. Dela Rosa, Dorothy Mae M. Dinagsao, Hyacinth I. Laranio, Neil Bryan D. Miague, Jay-arr J. Polestico, Dr. Jenyliza T. Ucang
The study aims to assess the students’ level of knowledge, attitudes, beliefs, and academic performance in a dynamic learning program (DLP). The Dynamic Learning Program (DLP), which is based on activity-based multidomain learning, requires students to work independently in order to read the concept notes and complete the exercises before the lesson is discussed and explained. This way, students can independently discover and understand the lesson. Students learn more by acting than by merely listening, according to the theory. This study utilized descriptive statistics to determine the students’ level of knowledge, attitudes, beliefs, and academic performance. The Pearson Product Moment Correlation Coefficient and multiple-linear regression were both used to determine which variable or variables, alone or in combination, best predict students' academic achievement in mathematics. This study was conducted at Pangantucan Community High School, Pangantucan, and Bukidnon. The respondents of this study were the 120 grade-11 students who were exposed to Dynamic Learning Program. The results of this study shown that the students are highly knowledgeable about DLP, and this teaching methodology was highly accepted and valued by the PCHS students. The academic performance of the students is above the average, it implies that the students who were exposed to dynamic learning programs have a good performance in their mathematics subject. However, the Pearson product-moment correlation showed that the student’s knowledge, attitude, and beliefs on Dynamic learning Program was not significantly correlated to their academic performance. And also, in the multiple-linear regression results showed that students’ knowledge, attitudes, and beliefs on dynamic learning couldn’t predict the academic performance of the students in their mathematics subject during modular distance learning modality.
本研究旨在评估学生在动态学习计划(DLP)中的知识、态度、信念和学业表现水平。动态学习计划(DLP)是基于活动的多领域学习,要求学生独立工作,以便在课程讨论和解释之前阅读概念笔记并完成练习。这样,学生可以独立地发现和理解课程。根据这一理论,学生通过行动比单纯的倾听学得更多。本研究采用描述性统计来确定学生的知识水平、态度、信念和学业成绩。皮尔逊积矩相关系数和多元线性回归都被用来确定哪个或多个变量,单独或组合,最好地预测学生的数学学业成绩。本研究在Pangantucan社区高中、Pangantucan和Bukidnon进行。本研究的调查对象为参与动态学习计划的120名高二学生。本研究结果表明,学生对DLP的了解程度较高,这种教学方法得到了PCHS学生的高度认可和重视。学生的学习成绩高于平均水平,这意味着接触动态学习计划的学生在数学学科上有良好的表现。然而,Pearson积差相关分析显示,学生对动态学习计划的知识、态度和信念与学业成绩没有显著相关。多元线性回归结果显示,模块化远程学习模式下,学生对动态学习的知识、态度和信念不能预测学生在数学学科上的学习成绩。
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引用次数: 0
Research progress of animal models on orthodontic tooth movement 正畸牙齿运动动物模型的研究进展
Pub Date : 2022-01-01 DOI: 10.56293/ijasr.2022.5455
Yuzheng Xie, Unman Chan, Y. Huang
Orthodontic tooth movement animal models are important carriers for studying orthodontic tooth movement. Experimental animals that can be modeled include: rats, mice, dogs, rabbits, etc. How to select suitable animal models for different scientific problems is very important. Therefore, this paper reviews the types and characteristics of orthodontic tooth movement animal models, and focuses on the similarities and differences of rodent anatomy, modeling methods and considerations. It is found that there is a lack of unified modeling standards for orthodontic tooth movement animal models. Thus appropriate animal models should be selected according to actual needs.
正畸牙齿运动动物模型是研究正畸牙齿运动的重要载体。可建模的实验动物有:大鼠、小鼠、狗、兔等。如何为不同的科学问题选择合适的动物模型是非常重要的。因此,本文综述了正畸牙齿运动动物模型的类型和特点,重点介绍了啮齿动物解剖结构的异同、建模方法和注意事项。发现目前正畸牙齿运动动物模型缺乏统一的建模标准。因此应根据实际需要选择合适的动物模型。
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引用次数: 0
BUSINESS PERFORMANCE OF MICRO-ENTERPRISES IN NORTHERN MINDANAO, PHILIPPINES: A MULTINOMIAL LOGISTIC REGRESSION ANALYSIS 菲律宾棉兰老岛北部微型企业经营绩效:多元logistic回归分析
Pub Date : 2022-01-01 DOI: 10.56293/ijasr.2022.5413
Teddy E. Colipano
This study investigated the factors that influence the business performance of micro-enterprises in Northern Mindanao. Specifically, it examined the profile, marketing practices, entrepreneurial orientation, access to finance, and business performance of these enterprises. The study used responses from 417 micro-enterprises selected through stratified random sampling from the provinces of Bukidnon, Camiguin, Lanao del Norte, Misamis Occidental and Misamis Oriental. A descriptivecorrelational research design was employed to attain the objectives of the study. More than half of micro-enterprises employed 1-4 employees and undertook their business for not more than five years. Marketing practices are implemented most of the time. Their entrepreneurial orientation was high, access to finance was moderate to great, and their business performance for the last three years was average to good. The aggregate multinomial logistic regression analysis reveals that among the variables used in the study, business age, marketing practices, entrepreneurial orientation, and access to finance significantly influence the business performance of micro-enterprises. The multinomial logistic regression per industry analysis yields a different result. In merchandising industry sector, marketing practices, business age, and access to finance influence substantially business performance. In the service industry sector, entrepreneurial orientation, business age, and access to finance significantly influence business performance.
本研究探讨了棉兰老岛北部微型企业经营绩效的影响因素。具体来说,它考察了这些企业的概况、营销实践、创业方向、融资渠道和经营业绩。该研究使用了通过分层随机抽样从Bukidnon、Camiguin、Lanao del Norte、Misamis western和Misamis Oriental各省选出的417家微型企业的反馈。采用描述性相关研究设计来达到研究目标。一半以上的微型企业雇用1-4名员工,创业时间不超过5年。营销实践在大多数时候都是实施的。他们的创业倾向高,获得融资的机会从中等到很大,过去三年的经营业绩从一般到良好。综合多项逻辑回归分析表明,在研究中使用的变量中,创业年龄、营销实践、创业取向和融资渠道对微型企业的经营绩效有显著影响。每个行业的多项逻辑回归分析得出了不同的结果。在商品销售行业,营销实践、商业时代和融资渠道对企业绩效有很大影响。在服务业部门,创业取向、创业年龄和融资渠道对企业绩效有显著影响。
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引用次数: 0
STUDENTS’ ATTITUDE AND THEIR LEARNING ENVIRONMENT INVIRTUAL LABORATORY CLASS 学生态度与虚拟实验课学习环境
Pub Date : 2022-01-01 DOI: 10.56293/ijasr.2022.5411
John Lloyd P. Alarcon, Niko P. Dumagan, Milky A. Lumakang, Arman P. Nuezca
The purpose of the study is to determine the students` attitudes, assess their learning environment, and find out the relationship between students` attitudes and learning environment in virtual laboratory class among 173 science education students from the College of Education, Central Mindanao University. This quantitative study used descriptive correlation research as research design and data analysis. The results of the study revealed that the students' attitude in virtual laboratory classes in terms of inquiry was acceptable, and the enjoyment was highly acceptable among the respondents. For the learning environment in virtual laboratory classes, five dimensions were moderately practiced, namely: integration, material environment, teacher support, task orientation, and investigation. Only the dimension of differentiation was fairly practiced among the science education students. The result of the Pearson (r) correlation shows the significant relationship between the learning environment and students' attitudes in virtual laboratory classes. The study recommends that enhancing the setup for virtual laboratory is one of the keys to promoting a positive attitude and in performance of the students in the activities and experimentations.
本研究以棉兰老大学教育学院173名理工科学生为研究对象,在虚拟实验室课堂中,确定学生的态度,评估学生的学习环境,并找出学生的态度与学习环境的关系。本定量研究采用描述性相关研究作为研究设计和数据分析。研究结果显示,学生在虚拟实验室课堂上的探究态度是可以接受的,并且受访者的享受程度是高度可接受的。对于虚拟实验室课堂的学习环境,在整合、物质环境、教师支持、任务导向和调查五个维度上得到了适度的实践。只有分化维度在理科生中得到了比较公平的实践。Pearson (r)相关结果显示,虚拟实验室课堂的学习环境与学生态度之间存在显著关系。研究认为,加强虚拟实验室的设置是促进学生在活动和实验中的积极态度和表现的关键之一。
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引用次数: 0
A STUDY TO ASSESS THE KNOWLEDGE, ATTITUDE AND PRACTICE OF STAFF NURSES REGARDING MALNUTRITION AND NUTRITIONAL CARE OF HOSPITALIZED CHILDREN IN A TERTIARY CARE HOSPITAL BELAGAVI, KARNATAKA 评估卡纳塔克邦belagavi三级保健医院护士对住院儿童营养不良和营养护理的知识、态度和做法的研究
Pub Date : 2022-01-01 DOI: 10.56293/ijasr.2022.5491
Ms. Sabiyah Youssouf, Dr. Mohd Sabiq, Ms. Razia Yousuf
Food is the main fuel that runs a human body, both in health and illness. Food and Nutrition play a major role in the prevention of almost all diseases and promotion of health. Unfortunately at the global level, India is being placed among the highest ranked countries on the basis of number of malnourished children1. Childhood is a crucial period where we need to pay some extra attention for the nutritional needs and nutritional care of a child, as it acts as a strong pillar for his/her growth and development and prevention of malnutrition. Despite many medical advances over the past 20 years, the prevalence of malnutrition among hospitalized children has not decreased. Since the staff nurses spent more time with patients than any other healthcare workers and the patient recovery is greatly affected by the quality of care these nurses provide to their patients in all the aspects of care, including the nutritional aspect. Present study was conducted to assess the Nurses’ Knowledge, Attitude and Practice towards nutritional care of the hospitalized children, in order to ensure quality nutritional care for hospitalized children who are at risk of developing malnutrition or who are already victims of it. A nonexperimental descriptive research design was adopted to carry out the present study on a sample of 40 staff nurses working at a Tertiary care hospital of Karnataka by administering MKAP questionnaire. The results of the study showed that majority of the staff nurses 28(70%) had average knowledge and neutral attitude regarding malnutrition and nutritional care among hospitalized children , while as 7(17.5%) had good knowledge and positive attitude and 5( 12.5%) of them had poor knowledge and negative attitude regarding malnutrition and nutritional care among hospitalized children. The majority of the staff nurses 25(62.5%) showed neutral practice regarding malnutrition and nutritional care among hospitalized children, while as 10 (25%) showed beneficial practice and 5 (12.5%) of them showed non-beneficial practice regarding malnutrition and nutritional care among hospitalized children. In the present study the association of Levels of KAP with demographic characteristics of the staff nurses was calculated by using chi-square test and no association was found between the two except for gender. The study concluded that most of the staff nurses are having average knowledge and neutral attitude and practice towards malnutrition and nutritional care of hospitalized children
无论是健康还是疾病,食物都是人体运转的主要燃料。粮食和营养在预防几乎所有疾病和促进健康方面发挥着重要作用。不幸的是,在全球范围内,印度被列为营养不良儿童数量最多的国家之一。童年是一个关键时期,我们需要对儿童的营养需求和营养护理给予额外的关注,因为它是儿童生长发育和预防营养不良的重要支柱。尽管过去20年来医学取得了许多进步,但住院儿童营养不良的发生率并没有下降。由于工作人员护士比任何其他医护人员花更多的时间与病人在一起,病人的康复很大程度上取决于这些护士在护理的各个方面为病人提供的护理质量,包括营养方面。本研究旨在评估护士对住院儿童营养护理的知识、态度和做法,以确保对有发展营养不良风险或已经成为营养不良受害者的住院儿童提供优质营养护理。本研究采用非实验描述性研究设计,采用MKAP问卷对卡纳塔克邦某三级医院40名护士进行问卷调查。研究结果显示,28名(70%)护理人员对住院儿童营养不良及营养护理的认识和态度一般,持中立态度;7名(17.5%)护理人员对住院儿童营养不良及营养护理的认识和态度较好,持积极态度;5名(12.5%)护理人员对住院儿童营养不良及营养护理的认识和态度较差,持消极态度。对住院儿童营养不良和营养护理持中立态度的护士25名(62.5%)占多数,对住院儿童营养不良和营养护理持有益态度的护士10名(25%),持非有益态度的护士5名(12.5%)。本研究采用卡方检验计算护理人员KAP水平与人口学特征的相关性,除性别外,两者之间无相关性。研究结果表明,大多数护理人员对住院儿童营养不良及营养护理知识水平一般,态度和做法中立
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引用次数: 0
The Effect Between The Examination Results Blood Glucose Levels With Lipid Profile In Polycystic Ovary Syndrome (PCOS) Patients 多囊卵巢综合征(PCOS)患者血糖与血脂检查结果的关系
Pub Date : 2022-01-01 DOI: 10.56293/ijasr.2022.5460
TriPrasetyorini
Polycystic Ovary Syndrome (PCOS) is one of the most common gynecological problems in women of reproductive age. PCOS is usually a collection of symptoms including amenorrhea, oligomenorrhea, infertility, obesity, hirsutism, acne, alopecia, and acanthosis nigrican. The number of women of reproductive age scattered in the world, as many as 4-18% have PCOS. This study aims to assess the relationship between blood glucose levels and lipid profile in patients with polycystic ovary syndrome (PCOS). The type of research used is an analytic observational study with a cross-sectional design. The population in this study was PCOS patient data that met the inclusion and exclusion criteria for the period January 2019 - December 2021 at RSUD Budhi Asih. The results of the study of 27 PCOS patient data were tested by Pearson correlation analysis, on the level of GDP and total cholesterol, the Sig (p) value was 0.000 (p < 0.05) with a strong closeness (r) and a positive direction of correlation (0.812). GDP levels with LDL levels, obtained a sig (p) value of 0.002 (p< 0.05) with a moderate level of closeness (r) and a positive direction of correlation (0.444). The conclusion in this study is that there is a relationship between fasting blood glucose (GDP) levels and lipid profiles (total cholesterol, LDL, HDL, and triglycerides).
多囊卵巢综合征(PCOS)是育龄妇女最常见的妇科疾病之一。多囊卵巢综合征通常是一系列症状的集合,包括闭经、少月经、不孕、肥胖、多毛、痤疮、脱发和黑棘皮症。在世界上分散的育龄妇女中,有4-18%的人患有多囊卵巢综合征。本研究旨在评估多囊卵巢综合征(PCOS)患者血糖水平与血脂的关系。所使用的研究类型是具有横断面设计的分析性观察研究。本研究的人群是2019年1月至2021年12月期间在RSUD Budhi Asih符合纳入和排除标准的PCOS患者数据。对27例PCOS患者资料的研究结果进行Pearson相关分析,GDP与总胆固醇水平的Sig (p)值为0.000 (p < 0.05),具有较强的接近性(r),呈正相关方向(0.812)。GDP水平与LDL水平的显著性(p)值为0.002 (p< 0.05),具有中等程度的密切性(r)和正相关方向(0.444)。本研究的结论是空腹血糖(GDP)水平与脂质谱(总胆固醇、低密度脂蛋白、高密度脂蛋白和甘油三酯)之间存在关系。
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引用次数: 0
Entrepreneurial Competency Model of Successful Entrepreneur Culinaryin Padang City 巴东市成功厨师企业家创业胜任力模型研究
Pub Date : 2022-01-01 DOI: 10.56293/ijasr.2022.5503
Fisla Wirda, T. Azra, Novirwan Trinanto, Herizon
This study aims to determine the indicators of entrepreneurial competency and compile the levels of entrepreneurial competency indicators needed from the highest to the lowest level. The research population is the creative industry SMEs in the culinary sector of the city of Padang, with a sample size of 86 managers of the creative industry SMEs in the culinary sector/traditional Padang restaurants, the research location being the city of Padang. This study uses a quantitative approach with the method of SEM and uses Amos as data processing, specifically Second Order Confirmatory Factor Analysis. The results showed the dimensions of entrepreneurial competence needed: conceptual, leadership, learning, opportunity, and personal. The highest level score of the entrepreneurial competence indicator is looking at problems from a positive perspective. The lowest score is recognizing one's strengths and weaknesses and adapting to opportunities and threats. This research is helpful as a reference for indicators of entrepreneurial competency needed for creative industry SMEs in the culinary sector in the city of Padang.
本研究旨在确定创业胜任力的指标,并编制由高到低所需的创业胜任力指标水平。研究对象为巴东市烹饪领域的创意产业中小企业,样本为86名烹饪领域创意产业中小企业/巴东传统餐厅的管理者,研究地点为巴东市。本研究采用SEM的定量方法,并使用Amos作为数据处理,特别是二阶验证性因子分析。结果显示创业能力所需的维度为:概念能力、领导能力、学习能力、机会能力和个人能力。创业能力指标的最高分是从积极的角度看待问题。最低分是认识到自己的优势和劣势,并适应机遇和威胁。本研究可为巴东烹饪创意产业中小企业创业胜任力指标提供参考。
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引用次数: 0
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International Journal of Applied Science and Engineering Research
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