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2014 International Conference on Computer, Communications, and Control Technology (I4CT)最新文献

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Recent open source wireless sensor network supporting simulators: A performance comparison 最近的开源无线传感器网络支持模拟器:性能比较
Muhammad Amir Khan, H. Hasbullah, B. Nazir
Any common methodology for functionality research in the field of communication systems engineering is network simulation. There is always the overriding worry when utilizing simulation that the results may not reflect appropriate behavior. Therefore, it is important to recognize the particular strengths and also flaws of such simulators. There are a variety of network simulators, as an illustration, NS-2, NS-3, OMNET++, SWAN, OPNET, Jist, and also GloMoSiM and so forth. As a result, the selection of any network simulator for assessing investigation function is really a critical activity for researchers. The leading emphasis in this research is usually to examine the particular advanced, open source network simulators based on the parameters, CPU usage, memory usage, computational time period, and also scalibility by simulating a wireless sensor network routing protocol, to identify a best network simulator to the investigation area.
在通信系统工程领域进行功能研究的常用方法是网络仿真。在使用模拟时,总是有压倒一切的担忧,即结果可能不能反映适当的行为。因此,重要的是要认识到这类模拟器的特殊优势和缺陷。有各种各样的网络模拟器,例如NS-2, NS-3, omnet++, SWAN, OPNET, Jist,还有GloMoSiM等等。因此,选择任何网络模拟器来评估调查功能对研究人员来说都是一项至关重要的活动。该研究的主要重点通常是基于参数、CPU使用率、内存使用率、计算时间周期以及通过模拟无线传感器网络路由协议的可伸缩性来检查特定的高级开源网络模拟器,以确定适合研究区域的最佳网络模拟器。
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引用次数: 15
Behavior of LSSVM and SVM channel equalizers in non-Gaussian noise 非高斯噪声下LSSVM和SVM信道均衡器的性能
Ahmed R. Kobaiz, S. E. Ghrare
In this paper, we examine the behavior of LSSVM and SVM adaptive channel equalizers in environments where the interfering noise exhibits non-Gaussian due to impulsive phenomena. The family of α-stable distributions is used as a suitable and flexible tool for the modeling of signals with impulsive nature. By using computer simulation we show the behavior of both equalizers due to impulsiveness noise influence.
在本文中,我们研究了LSSVM和SVM自适应信道均衡器在干扰噪声由于脉冲现象表现为非高斯的环境中的行为。α-稳定分布族是一种适用于具有脉冲性质的信号建模的灵活工具。通过计算机仿真,我们展示了两种均衡器在脉冲噪声影响下的性能。
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引用次数: 0
Impact of personality and gender diversity on software development teams' performance 个性和性别多样性对软件开发团队绩效的影响
Abdul Rehman Gila, Jafreezal Jaafa, Mazni Omar, M. Z. Tunio
Human aspect is considered as one of the success factors for software development. Besides, diversity is labeled as the most effective element for creating effectiveness in team performance. Thus, this study has aimed to find the effects of gender diversity on team performance based on personality types. The personality types' variations were found effective on team performance based on genders. For instance, male-lead groups were found convenient with both genders but female-lead groups looked much comfortable with only female members. Moreover, female-gender looked uneasy in male dominant teams especially when their personality is E (extrovert). Whereas, male-gender was observed as digestible in female-lead teams if the I (introvert) personality is dominating.
人的方面被认为是软件开发成功的因素之一。此外,多样性被认为是创造团队绩效有效性的最有效因素。因此,本研究旨在探讨基于人格类型的性别多样性对团队绩效的影响。性格类型的变化对团队绩效的影响是基于性别的。例如,男性领导的小组对男女成员都很方便,但女性领导的小组只接受女性成员似乎更舒服。此外,女性在男性主导的团队中显得不安,尤其是当她们的性格是E(外向)时。然而,在女性领导的团队中,如果I(内向)性格占主导地位,男性性别被观察到是可消化的。
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引用次数: 32
CAWIS: Context aware wireless irrigation system CAWIS:环境感知无线灌溉系统
P. Divya, Surbhi Sonkiya, P. Das, V. Manjusha, M. Ramesh
Water scarcity is one of the major problems faced by the whole world. In India, this situation is aggravated since agriculture is one of the major economies. As per the statistics of 2009, India has 35.12% of total land under irrigation. The objective of this work is to reduce the water usage in irrigation processes. In this regard, we have proposed a context aware wireless sensor network system for irrigation management. This multi-sensor system will continuously monitor the relevant environmental parameters, hydrological parameters, soil parameters and crop specific parameters to derive the context. These derived contexts will be used for automatic control and adaptation of the irrigation system. This context aware system uses the real-time sensor data to minimize the wastage of water used in the irrigation process. This research has also proposed an innovative design for horizontal angle adjustment of sprinkler nozzle using stepper motor. This remotely controllable sprinkler system can be wirelessly controlled, based on the decisions derived from the multi-sensors deployed in the agriculture field. The system also includes GSM module, which updates the user about the watering decisions being taken and executed on the fields. This paper describes the experimentation results of this system and it clearly shows that the system can effectively reduce water usage compared to the conventional systems.
水资源短缺是全世界面临的主要问题之一。在印度,由于农业是主要经济体之一,这种情况更加严重。根据2009年的统计数据,印度有35.12%的土地处于灌溉状态。这项工作的目的是减少灌溉过程中的用水量。在这方面,我们提出了一个环境感知无线传感器网络系统灌溉管理。该多传感器系统将持续监测相关的环境参数、水文参数、土壤参数和作物特定参数,以导出上下文。这些导出的上下文将用于灌溉系统的自动控制和适应。这种环境感知系统使用实时传感器数据来最大限度地减少灌溉过程中的水浪费。本研究还提出了一种利用步进电机调节喷头水平角度的创新设计。这种远程控制的洒水系统可以无线控制,基于部署在农业领域的多传感器的决策。该系统还包括GSM模块,它可以向用户更新正在采取和执行的浇灌决定。本文介绍了该系统的实验结果,清楚地表明,与传统系统相比,该系统可以有效地减少水的使用。
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引用次数: 18
Mobile sensor node traversal schemes using coverage based pattern movement with uniform energy depletion 基于覆盖的均匀能量消耗模式移动移动传感器节点遍历方案
R. J. D'Souza, Ganala Santoshi
In this work a rectangular Region of interest (ROI) is covered with Mobile Sensor Nodes (MSNs) using coverage based pattern of movement. ROI is divided into equilateral triangles and squares in tesselation fashion to provide complete coverage without coverage holes. MSNs are moved along the vertices of polygons to have optimized movement cost. All MSNs should travel an approximately equal distance, otherwise the MSN which travels longer distance depletes more energy compared to the MSN which travels shorter distance. We show that, the ROI partition in tessellation fashion is application specific and plays a great role in uniform energy depletion of the MSNs during the traversal. An improper partition may lead to an unbalanced movement cost and non-uniform residual energy.
在这项工作中,使用基于覆盖的运动模式,移动传感器节点(msn)覆盖感兴趣的矩形区域(ROI)。ROI以镶嵌的方式划分为等边三角形和正方形,实现无覆盖孔的全覆盖。msn沿着多边形的顶点移动,以优化移动成本。所有的微MSN的传播距离应该大致相等,否则传播距离较长的微MSN比传播距离较短的微MSN消耗更多的能量。我们表明,以镶嵌方式进行的ROI划分是特定于应用的,并且在遍历过程中对msn的均匀能量消耗起着重要作用。如果划分不当,会导致运动成本不平衡,剩余能量不均匀。
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引用次数: 2
i-Wirid: Construction of digital wirid via mobile platform i-Wirid:通过移动平台构建数字wirid
A. F. Rosmani, H. Ahmad, Umi Hanim Mazlan, Noor Azura Zainuddin, Abdullah Ibrahim
Wirid is a recitation or practice that has been taken from certain verses in Al-Quran and it was arranged to the readers, especially Muslims, read and understand easily. Wirid is a good practice for Muslims as it can bring them closer to their Creator that is Allah SWT and in forming them to become good leaders or caliphs in the future. Therefore, the main intention of this project is to investigate and design a mobile application for wirid as a guide to recite and understand wirid via mobile platform. This after prayer wirid is embedded in mobile environment with the integration of multimedia elements as a medium to attract and encourage Muslims to recite and memorize a wirid. This i-Wirid application has been developed using Eclipse as the main platform and has undergone two testing phases which are User Acceptance Test and Heuristic Evaluation in order to assess the application. The Heuristic Test was done by the experts and the User Acceptance Test was implemented on 70 respondents. Based on the results collected, there is about 93 percent of respondents who are satisfied with the application and 97 percent agreed that the application is interesting to be used in their daily lives.
Wirid是一种背诵或练习,取自《古兰经》中的某些经文,并安排给读者,特别是穆斯林,阅读和理解容易。Wirid对穆斯林来说是一个很好的实践,因为它可以让他们更接近他们的造物主,也就是安拉,并使他们在未来成为优秀的领导者或哈里发。因此,这个项目的主要意图是调查和设计一个wirid的移动应用程序,作为通过移动平台背诵和理解wirid的指南。这种祈祷后的藤条嵌入移动环境中,融合多媒体元素作为媒介,吸引和鼓励穆斯林背诵和记忆藤条。这个i-Wirid应用程序是使用Eclipse作为主要平台开发的,并经历了用户验收测试和启发式评估两个测试阶段,以评估应用程序。启发式测试由专家完成,用户接受测试对70名受访者实施。根据收集的结果,约93%的受访者对该应用程序感到满意,97%的受访者认为该应用程序在日常生活中很有趣。
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引用次数: 1
Medical image compression using block-based PCA algorithm 基于分块PCA算法的医学图像压缩
S. T. Lim, D. Yap, N. A. Manap
PCA algorithm can be employed to aid in image compression. In this paper, two extended-PCA algorithms that manipulate the block information of the image are tested and compared. The first algorithm is termed as block-by-block PCA in which general PCA algorithm are applied on each block of the image. In the second algorithm- the block-to-row PCA, all block information are first concatenated into row before general PCA algorithm is then applied on the transformed matrix. Digital fundus image is used as the input image in this work. Using the newly-derived compression ratios, the result shows that block-to-row PCA outperforms block-by-block PCA in terms of image quality and compression rate. At equal block size and compression ratio, block-to-row PCA can achieve higher PSNR than block-to-block PCA. Blocking effects are discernible on the reconstructed image using block-to-block PCA with block size = 16 and compression ratio as low as 0.25 while no apparent distortion are seen on the reconstructed image using block-to-row PCA with block size = 32 and compression ratio as high as 0.90.
PCA算法可以用来辅助图像压缩。本文对两种处理图像块信息的扩展pca算法进行了测试和比较。第一种算法被称为逐块PCA,其中将一般PCA算法应用于图像的每个块。在第二种算法-块到行PCA中,所有块信息首先被连接到行,然后在转换后的矩阵上应用一般PCA算法。本研究采用数字眼底图像作为输入图像。使用新导出的压缩比,结果表明,块到行PCA在图像质量和压缩率方面优于块到块PCA。在相同的块大小和压缩比下,块到行PCA比块到行PCA具有更高的PSNR。块对块PCA在块大小为16、压缩比低至0.25的情况下,对重构图像有明显的块效应,而块大小为32、压缩比高达0.90的块对行PCA在重构图像上没有明显的失真。
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引用次数: 15
Analysis of soil moisture detection using ground penetrating radar 探地雷达探测土壤水分分析
R. Mardeni, N. N. Ahmad, C. W. Yap
Soil moisture is one of the important parameters to be investigated in civil, geological and agricultural works. Unfortunately, the challenging issue is found on the suitable method in determining accurately the soil moisture. In this article, a microwave surface reflection method is proposed to analyze the effect of soil moisture with its electrical properties using ground penetrating radar (GPR) principle. Three types of soil samples are selected which are sand, loamy and clay. In this work, measurement and simulation were implemented. The work is realized by theory and verified by simulation. The percentage of agreement with Topp theoretical value are 31% to 61% for sand, 5% to 42% for clay, and 44% to 54% for loamy. The effect of soil moisture with its electrical characteristics in terms of permittivity is also discussed. A novelty of soil moisture estimation via GPR principle is intended for the research.
土壤湿度是土木工程、地质工程和农业工程研究的重要参数之一。然而,如何准确测定土壤水分是一个具有挑战性的问题。本文利用探地雷达原理,提出了一种微波表面反射法来分析土壤湿度及其电学特性的影响。选取了砂土、壤土和粘土三种土壤样品。在这项工作中,进行了测量和仿真。该工作通过理论实现,并通过仿真验证。与Topp理论值的符合率分别为:砂土31% ~ 61%,粘土5% ~ 42%,壤土44% ~ 54%。本文还讨论了土壤水分对土壤介电常数的影响。提出了一种利用探地雷达原理估算土壤水分的新方法。
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引用次数: 0
3GHz hairpin filter with Defected Ground Structure (DGS) for Microwave Imaging application 用于微波成像的带有缺陷接地结构(DGS)的3GHz发夹滤波器
M. Othman, N. Zaid, M. Abd Aziz, H. Sulaiman
This paper represents design of 3GHz hairpin filter with Defected Ground Structure (DGS) for Microwave Imaging application by using Advanced Design System (ADS) software and FR4 substrate. Hairpin filter is one of the most popular microwave filters because of its compactness. Thus, to enhance its performance detected ground structure is implemented to the filter. The filter is designed to operate at 3GHz frequency with fractional bandwidth of 6.67%. This project is designed and simulated by using Advenced Design Structure (ADS) and all the calculation is done on LineCALC the ADS tools. This project uses FR4 board as the substrate and it is fabricated by undergo etching process. Improvement is should be done to enhance the filter performance.
采用先进设计系统(ADS)软件和FR4衬底设计了一种用于微波成像的带有缺陷接地结构(DGS)的3GHz发夹滤波器。发夹过滤器是最流行的微波过滤器之一,因为它的紧凑性。因此,为了提高其性能,对滤波器进行了检测接地结构。该滤波器设计工作在3GHz频率,分数带宽为6.67%。本课题采用先进的设计结构(ADS)进行设计和仿真,所有计算均在先进的设计结构工具LineCALC上完成。本项目采用FR4板作为衬底,采用蚀刻工艺制作。应进行改进,以提高过滤器的性能。
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引用次数: 6
Performance study and evaluation of a solar PV testbed system in brunei darussalam 文莱达鲁萨兰国太阳能光伏试验台系统性能研究与评价
S. B. Hassan, M. Sarbini, S. Jaafar, Ismit Mohammad
This paper describes an experimental setup of photovoltaic panels for performance investigation under tropical weather conditions. For this setup a dedicated data acquisition system has been designed and implemented using LabVIEW virtual instrumentation. Apart of monitoring and displaying features, the GUI also has diagnostic capabilities to assess the performance of the PV panels under test. Real-time environment data is also incorporated to measure ambient and operating temperature, irradiance, and relative humidity. A typical 95W polycrystalline panel is used for evaluation and the compared results with a circuit-based simulation model shows good correspondence. This test-bed aims to assist homeowners in assessing the quality of their solar panels.
本文介绍了一种用于研究热带气候条件下光伏板性能的实验装置。为此,设计了一个专用的数据采集系统,并利用LabVIEW虚拟仪器进行了实现。除了监控和显示功能外,GUI还具有诊断功能,可以评估被测光伏板的性能。实时环境数据也被纳入测量环境和工作温度,辐照度和相对湿度。以典型的95W多晶面板为例,与基于电路的仿真模型进行了比较,结果显示出较好的一致性。这个测试台旨在帮助房主评估太阳能电池板的质量。
{"title":"Performance study and evaluation of a solar PV testbed system in brunei darussalam","authors":"S. B. Hassan, M. Sarbini, S. Jaafar, Ismit Mohammad","doi":"10.1109/I4CT.2014.6914177","DOIUrl":"https://doi.org/10.1109/I4CT.2014.6914177","url":null,"abstract":"This paper describes an experimental setup of photovoltaic panels for performance investigation under tropical weather conditions. For this setup a dedicated data acquisition system has been designed and implemented using LabVIEW virtual instrumentation. Apart of monitoring and displaying features, the GUI also has diagnostic capabilities to assess the performance of the PV panels under test. Real-time environment data is also incorporated to measure ambient and operating temperature, irradiance, and relative humidity. A typical 95W polycrystalline panel is used for evaluation and the compared results with a circuit-based simulation model shows good correspondence. This test-bed aims to assist homeowners in assessing the quality of their solar panels.","PeriodicalId":356190,"journal":{"name":"2014 International Conference on Computer, Communications, and Control Technology (I4CT)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123080150","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
期刊
2014 International Conference on Computer, Communications, and Control Technology (I4CT)
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