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Analysis of Quantization Noise and Power Estimation of Continuous-Time Delta Sigma Analog-to-Digital Converter Using Test Enable Feature For 4G Radios 基于4G无线电测试使能特性的连续时间δ σ模数转换器量化噪声和功率估计分析
Pub Date : 2018-08-01 DOI: 10.11591/ijict.v7i2.pp82-88
A. Sahu, V. Chandra, G. R. Sinha
This paper presents a novel approach for completely test enable feature and low-voltage delta– sigma analog-to-digital (A/D) converters for cutting edge wireless applications. Oversampling feature of ADCs and DACs is enough to meet the requirement related to in-band and adjacent channel leakage ratio (ACLR) execution of 3G/4G portable radio. The quantization noise which is not filtered in ADC is addressed. We have achieved work power-optimization and test enable feature of oversampling ADC is uses in design and simulation so that the problem of quantization error in continues time sigma delta ADC is solved. This paper suggests support to designer for selecting appropriate topologies with various channel arrangements, number of bits and oversampling issues. A test enable feature of CT A/D is presented introducing the test signal generation (TSG) and the COrdinate Rotation Digital Computer (CORDIC) for evaluating the performance of ADC. This helps in addressing the challenge of 4G and upcoming 5G wireless radio. System level plan of a delta–sigma modulator ADC for 4G radios is studied.
本文提出了一种用于尖端无线应用的完全测试使能特性和低压δ - σ模数(a /D)转换器的新方法。adc和dac的过采样特性足以满足3G/4G便携式无线电带内和相邻信道泄漏比(ACLR)执行的相关要求。解决了ADC中不能滤波的量化噪声问题。我们在设计和仿真中实现了过采样ADC的工作功率优化和可测试特性,从而解决了连续时间σ δ ADC的量化误差问题。本文建议支持设计者选择合适的拓扑结构,包括各种通道安排、比特数和过采样问题。介绍了CT A/D的测试使能特性,介绍了测试信号生成(TSG)和坐标旋转数字计算机(CORDIC),用于评估ADC的性能。这有助于应对4G和即将到来的5G无线通信的挑战。研究了一种用于4G无线电的δ - σ调制器ADC的系统级方案。
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引用次数: 0
Evaluation of Water Content in Milk Using Microwave Transmission Approach with Horn Antenna 用喇叭天线微波传输法测定牛奶中水分含量
Pub Date : 2018-08-01 DOI: 10.11591/ijict.v7i2.pp77-81
A. Ja, Kiran Patil
As the diary industries delivery the milk to consumer bottles in pouches the thickness of the milk is varied with each company. The microwave transmission line approach with horn antenna is introduced as an effective method for the assessment of milk for the first time with different frequency. The electrical permittivity is an intrinsic parameter of a material that can be used as an index of delivered water content. For the permittivity calculation, we use horn antenna transmitter and receiver in microwave frequency .The microwave travelled via the milk according to its thickness. A design of horn antenna and its minimum distance transmission length is followed to evaluate the thickness of milk. The dissipated power is calculated with the help of VSWR meter in decibel. The results are plotted with different microwave frequency with unique wave length with unique concentration of water with milk. Mat lab is used to plot the graph. The effects exhibit that the milk thickness makes the wave travel of microwave produces the decibel value changes at the output. The measurements demonstrate that the permittivity of milk increases with increased added water. A relationship between the added water content and the permittivity of milk -water mixture is established, which should be a powerful tool for detecting milk thickness.
由于乳制品行业将牛奶装在小袋里送到消费者的瓶子里,每个公司的牛奶厚度都是不同的。首次介绍了利用喇叭天线的微波传输线方法对牛奶进行不同频率评价的有效方法。介电常数是一种材料的内在参数,可用作输送水含量的指标。对于介电常数的计算,我们采用微波频率的喇叭天线发射机和接收机,微波根据牛奶的厚度在牛奶中传播。采用喇叭天线及其最小传输距离设计来评价牛奶的厚度。利用VSWR计以分贝计算系统的耗散功率。用不同的微波频率、不同的波长、不同的牛奶水浓度来绘制结果。Mat lab用于绘制图形。结果表明,微波的厚度使微波的波行在输出端产生分贝值的变化。测量结果表明,牛奶的介电常数随加入水的增加而增加。建立了乳水混合物中加入的水分与介电常数之间的关系,这将成为检测乳厚的有力工具。
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引用次数: 1
Brain Tumor Detection Using Wathershed Segmentation Techniques and Area Calculation 基于Wathershed分割技术和面积计算的脑肿瘤检测
Pub Date : 2018-08-01 DOI: 10.11591/IJICT.V7I2.PP71-76
M. Pareek, C. Jha, S. Mukherjee, Chandani Joshi
This paper primarily focuses on to employ a novel approach to classify the brain tumor and its area. The Tumor is an uncontrolled enlargement of tissues in any portion of the human body. Tumors are of several types and have some different characteristics. According to their characteristics some of them are avoidable and some are unavoidable. Brain tumor is serious and life threatening issues now days, because of today’s hectic lifestyle. Medical imaging play important role to diagnose brain tumor .In this study an automated system has been proposed to detect and calculate the area of tumor. For proposed system the experiment carried out with 150 T1 weighted MRI images. The edge based segmentation, watershed segmentation has applied for tumor, and watershed segmentation has used to extract abnormal cells from the normal cells to get the tumor identification of involved and noninvolved areas so that the radiologist differentiate the affected area. The experiment result shows tumor extraction and area of tumor find the weather it is benign and malignant.
本文主要探讨一种新的脑肿瘤及其区域分类方法。肿瘤是人体任何部位组织不受控制的扩大。肿瘤有几种类型,有一些不同的特征。根据他们的特点,有些是可以避免的,有些是不可避免的。由于当今繁忙的生活方式,脑瘤是一个严重的威胁生命的问题。医学影像在脑肿瘤诊断中发挥着重要的作用,本研究提出了一种用于脑肿瘤面积检测和计算的自动化系统。对于所提出的系统,实验使用150张T1加权MRI图像进行。将基于边缘的分割、分水岭分割应用于肿瘤,利用分水岭分割从正常细胞中提取异常细胞,得到受累和非受累区域的肿瘤识别,从而使放射科医师区分受累区域。实验结果表明,肿瘤的提取和肿瘤的面积可以判断肿瘤的良恶性。
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引用次数: 2
Establishing a Soldier Wireless Sensor Network (WSN) Communication for Military Operation Monitoring 建立用于军事行动监控的士兵无线传感器网络通信
Pub Date : 2018-08-01 DOI: 10.11591/IJICT.V7I2.PP89-95
M. Ismail, M. Shukran, M. Isa, Mohd Adib, O. Zakaria
The study investigates and develops components for implementing an effective and efficient military knowledge/information/communication in closed network architecture. Since military personnel are always on the move, the dissemination of knowledge/information/communication needs a mobile platform to accommodate mobility of people. The mobile and wireless network platform should be able to sustain the remoteness and seclusion of military operation areas. Communication is one of key problems of a military operation especially due to environmental constraints. This study proposes on establishing a future soldier communication device with mobile wireless sensor network (WSN) and mobile network to suit the infantry operations in the jungle. The operational areas are considered to restricted and challenging locations. Wireless sensor network (WSN) will become inexpensive and common over the next decade Thus, a thorough study is vital to develop the most suitable smart equipment and network requirements for Malaysia’s military eco-system. Finally, this study has successfully developed new smart device prototype using WSN approach for Military operation. In addition, this prototype can be used for Search and Rescue (SAR) operation. This prototype is able to transmit death and location status, movement location status, health monitoring and status to the base station.
该研究调查和开发了在封闭网络架构中实现有效和高效军事知识/信息/通信的组件。由于军事人员总是在移动中,知识/信息/通信的传播需要一个移动平台来适应人员的移动性。移动和无线网络平台应能够维持军事行动区域的偏远性和封闭性。通信是军事行动的关键问题之一,特别是由于环境的限制。本研究提出建立一种具有移动无线传感器网络(WSN)和移动网络的未来士兵通信设备,以适应步兵在丛林中的作战。作业区域被认为是受限和具有挑战性的地点。无线传感器网络(WSN)将在未来十年变得廉价和普遍,因此,深入研究对于开发最适合马来西亚军事生态系统的智能设备和网络要求至关重要。最后,本研究成功开发了用于军事作战的新型智能设备原型。此外,该原型机可用于搜索和救援(SAR)操作。该原型机能够向基站传输死亡和位置状态、移动位置状态、健康监测和状态。
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引用次数: 11
Angular Symmetric Axis Constellation Model for Off-line Odia Handwritten Characters Recognition 面向离线Odia手写体识别的角对称轴星座模型
Pub Date : 2018-05-30 DOI: 10.11591/IJICT.V7I2.PP96-104
Pyari mohan Jena, S. Nayak
Optical character recognition is one of the emerging research topics in the field of image processing, and it has extensive area of application in pattern recognition. Odia handwritten script is the most research concern area because it has eldest and most likable language in the state of odisha, India. Odia character is a usually handwritten, which was generally occupied by scanner into machine readable form. In this regard several recognition technique have been evolved for variance kind of languages but writing pattern of odia character is just like as curve appearance; Hence it is more difficult for recognition. In this article we have presented the novel approach for Odia character recognition based on the different angle based symmetric axis feature extraction technique which gives high accuracy of recognition pattern. This empirical model generates a unique angle based boundary points on every skeletonised character images. These points are interconnected with each other in order to extract row and column symmetry axis. We extracted feature matrix having mean distance of row, mean angle of row, mean distance of column and mean angle of column from centre of the image to midpoint of the symmetric axis respectively. The system uses a 10 fold validation to the random forest (RF) classifier and SVM for feature matrix. We have considered the standard database on 200 images having each of 47 Odia character and 10 Odia numeric for simulation. As we have noted outcome of simulation of SVM and RF yields 96.3% and 98.2% accuracy rate on NIT Rourkela Odia character database and 88.9% and 93.6% from ISI Kolkata Odia numerical database.
光学字符识别是图像处理领域的新兴研究课题之一,在模式识别中有着广泛的应用领域。奥迪邦手抄本是最受关注的研究领域,因为它是印度奥里萨邦最古老和最受欢迎的语言。Odia字符通常是手写体,一般由扫描仪占用成机读形式。在这方面,针对不同类型的语言已经发展出了几种识别技术,但汉字的书写模式就像曲线的样子;因此,识别难度较大。本文提出了一种基于不同角度对称轴特征提取技术的汉字识别新方法,该方法具有较高的识别精度。该经验模型在每个骨架化的人物图像上生成一个基于角度的独特边界点。这些点相互连接,以提取行和列对称轴。我们分别提取了图像中心到对称轴中点的平均行距、平均行角、平均列距和平均列角的特征矩阵。该系统对随机森林(RF)分类器和支持向量机的特征矩阵进行了10次验证。我们考虑了包含200个图像的标准数据库,每个图像有47个Odia字符和10个Odia数字进行模拟。正如我们所注意到的,SVM和RF的模拟结果在NIT Rourkela Odia字符数据库上的准确率为96.3%和98.2%,在ISI Kolkata Odia数值数据库上的准确率为88.9%和93.6%。
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引用次数: 3
Performance Measurement in ITG Based on Balanced Scorecard 基于平衡计分卡的ITG绩效评估
Pub Date : 2014-08-01 DOI: 10.11591/IJICT.V3I2.PP122-128
H. Haviluddin, R. Alfred
The article reports on our work in conducting performance measurement for the management of Information Technology (IT) by applying the Balanced Scorecard (BSC) at Mulawarman University, Samarinda, East Kalimantan, Indonesia. The results of this study are then used to propose a hybrid framework that applies both BSC and a artificial intelligence (AI) techniques in order to measure the performance of IT governance generally. This article also examines BSC’s abilities and its flexibility compared to other methods in measuring the performance of IT governance. The proposed hybrid framework is expected to yield a management that produces a scorecard measures that are more rigorous, accurate and consistent with the objectives and organizational strategies in non-profit organizations, especially educational ones.
本文报告了我们在印度尼西亚东加里曼丹萨马林达Mulawarman大学应用平衡计分卡(BSC)对信息技术(IT)管理进行绩效评估的工作。然后,本研究的结果被用于提出一个混合框架,该框架应用平衡计分卡和人工智能(AI)技术,以总体衡量IT治理的绩效。本文还研究了平衡记分卡在度量IT治理性能方面与其他方法相比的能力和灵活性。拟议的混合框架预期将产生一种管理方式,产生一种更加严格、准确和符合非营利组织,特别是教育组织的目标和组织战略的记分卡措施。
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引用次数: 2
Comparison of three common software-defined network controllers 三种常用软件定义网络控制器的比较
Pub Date : 1900-01-01 DOI: 10.11591/ijict.v12i2.pp85-91
Rikie Kartadie, Edy Prayitno
The software-defined network (SDN) controller adds and removes the contents of the flow table through secure channels to determine how packets are processed and how the flow table is managed. The controller pays attention to network intelligence and becomes the middle part, where the network manages the transfer data of the aircraft delivered via the OpenFlow (OF) switch. To this end, the controller provides an interface for managing, controlling, and managing this switch flow table. Run tests to calculate controller throughput and latency levels and test using the cbance tool, which can test transmission control protocol (TCP) and user datagram protocol (UDP) protocols. The tests are run by forcing the controller to run at maximum without any additional settings (default settings) in order to use the correct information about the controller’s capabilities. Because of this need, you need to test the performance of your controller. In this study, the tests were run on three popular controllers. Test results show that flowed controllers are more stable than open network operating dystem (ONOS) and open daylight (ODL) controllers in managing switch and host loads.
软件定义网络(SDN)控制器通过安全通道添加和删除流表的内容,以确定如何处理数据包以及如何管理流表。控制器关注网络的智能化,成为网络的中间部分,由网络管理飞机通过OpenFlow (of)交换机传送的传输数据。为此,控制器提供了管理、控制和管理该交换流表的接口。运行测试以计算控制器吞吐量和延迟级别,并使用ance工具进行测试,该工具可以测试传输控制协议(TCP)和用户数据报协议(UDP)协议。为了使用有关控制器功能的正确信息,在没有任何额外设置(默认设置)的情况下,强制控制器以最大速度运行测试。由于这种需要,您需要测试控制器的性能。在这项研究中,测试是在三种流行的控制器上进行的。测试结果表明,流控制器在管理交换机和主机负载方面比开放网络操作系统(ONOS)和开放日光(ODL)控制器更稳定。
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引用次数: 0
180 nm NMOS voltage-controlled oscillator for phase-locked loop applications 180nm NMOS压控振荡器锁相环应用
Pub Date : 1900-01-01 DOI: 10.11591/ijict.v12i3.pp236-241
Ezzidin Hassan Aboadla, Ali Hassan
The voltage-controlled oscillator (VCO) is the primary device in the phase-locked loop (PLL) to produce the local oscillator frequency. The excessive phase noise of VCOs is the primary cause of PLL performance loss. This paper proposes the design and optimization of low phase noise and low power consumption for a 180 nm N-channel metal-oxide semiconductor NMOS VCO for PLL applications with P-channel metal-oxide semiconductor PMOS varactors and spiral inductors. At 2 V supply voltage, the optimized NMOS VCO has a power consumption of 21 mW, a phase noise of -130 dBc/Hz at 1 MHz offset and a total harmonic distortion (THD) of 3.9%. The proposed design is verified by PSpice simulations. A new criterion is proposed for optimizing NMOS LC oscillators.
压控振荡器(VCO)是锁相环(PLL)中产生本振频率的主要器件。压控振荡器的相位噪声过大是造成锁相环性能损失的主要原因。本文提出了一种180nm n沟道金属氧化物半导体PMOS压控振荡器的低相位噪声和低功耗的设计和优化,该压控振荡器采用p沟道金属氧化物半导体PMOS变容管和螺旋电感,用于锁相环应用。在2 V电源电压下,优化后的NMOS VCO功耗为21 mW,在1 MHz偏移时相位噪声为-130 dBc/Hz,总谐波失真(THD)为3.9%。通过PSpice仿真验证了该设计的正确性。提出了优化NMOS LC振荡器的新准则。
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引用次数: 0
A serious game about Covid-19: design and evaluation study 一个关于Covid-19的严肃游戏:设计和评估研究
Pub Date : 1900-01-01 DOI: 10.11591/ijict.v12i3.pp195-204
Farida Bouroumane, M. Abarkan
As many countries experience the emergence of new waves of Covid-19, many governments around the world have reminded their citizens of the need for an engaging intervention that could improve compliance with Covid-19 safe behaviors using the media general public or social media. In the face of the serious threat of Covid-19, immunity issues are currently the subject of various research and studies. A promising approach is to use video game culture to educate and train citizens to healthily adopt eating habits to strengthen the immune system. The objective of this study is to develop a prototype of a serious game (SG) on how to strengthen the immune defenses in order to be able to fight a coronavirus infection and to constitute an anti-virus barrier. After defining the learning objectives by interviewing the stakeholders, we searched the scientific literature to establish the relevant theoretical bases. The learning contents have been validated by biology teachers. The learning mechanisms were then determined based on the learning objectives. The obtained experimental results show that 92% of the participants in the study have appreciated the quality of the scenario and the way in which the concept of interaction between the different game elements was presented.
随着许多国家经历了新一波Covid-19的出现,世界上许多政府都提醒其公民,需要进行有吸引力的干预,以改善利用媒体、公众或社交媒体遵守Covid-19安全行为的情况。面对Covid-19的严重威胁,免疫问题目前是各种研究的主题。一个很有前途的方法是利用电子游戏文化来教育和训练公民健康地采用饮食习惯来增强免疫系统。本研究的目的是开发一个关于如何加强免疫防御以对抗冠状病毒感染并构成抗病毒屏障的严肃游戏(SG)的原型。通过访谈利益相关者确定学习目标后,我们检索科学文献建立相关理论基础。学习内容经过生物教师的验证。然后根据学习目标确定学习机制。实验结果显示,92%的参与者对游戏场景的质量以及不同游戏元素之间互动概念的呈现方式表示赞赏。
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引用次数: 0
E-government implementation's impact on Saudi vision 2030 to become an international logistic center 电子政务的实施对沙特2030年成为国际物流中心愿景的影响
Pub Date : 1900-01-01 DOI: 10.11591/ijict.v12i2.pp180-187
Razan Alhujaili, Malak Albaqami, O. Aboulola, Mashael M. Khayyat
This study examined the influence of electronic government (e-government) implementation for the Ministry of Transport on fulfilling Saudi vision 2030 by transforming the Kingdom of Saudi Arabia (KSA) into a logistics center linking three continents. Saudi vision 2030 aims to cut transportation costs by improving infrastructure, shorten importing and exporting times by streamlining and automating operations, and increase supply chain transparency through sector reform. Implementing e-government would improve government services and engagement through information and communication technology (ICT). This article focuses on four primary areas: i) making KSA a logistics center; ii) increasing the chance of living throughout the Kingdom; and iii) promoting long-term financial sustainability. The study is founded on the idea that logistics is a crucial component for competitive advantage and transportation (by land, sea, or air) is a logistical sub-process for Saudi enterprises that benefit from transport networks similar to the best in the world. The Kingdom's strategic location at the junction of three continents gives its transport sector a geographical competitive advantage that provides access to important emerging markets and critical sea lanes. Despite the optimistic future of the transport and logistics industries in KSA, some important hurdles must be overcome.
本研究考察了交通运输部实施电子政务(e-government)对实现沙特2030年愿景的影响,将沙特阿拉伯王国(KSA)转变为连接三大洲的物流中心。沙特2030愿景旨在通过改善基础设施降低运输成本,通过简化和自动化操作缩短进出口时间,并通过行业改革提高供应链透明度。推行电子政府可透过资讯及通讯科技改善政府服务及市民参与。本文主要从四个方面进行研究:1)将沙特阿拉伯建成物流中心;ii)增加在整个王国生活的机会;三是促进长期财务可持续性。该研究基于这样一种观点:物流是竞争优势的关键组成部分,而运输(陆运、海运或空运)是沙特企业的物流子过程,这些企业受益于与世界上最好的运输网络相似的运输网络。沙特位于三大洲交界处的战略位置使其运输部门具有地理竞争优势,可以进入重要的新兴市场和关键的海上通道。尽管KSA的运输和物流业前景乐观,但必须克服一些重要的障碍。
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引用次数: 0
期刊
International Journal of Informatics and Communication Technology (IJ-ICT)
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