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2020 4th International Conference on Electronics, Communication and Aerospace Technology (ICECA)最新文献

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A Global System for Mobile Communication with Prevention to Reduce Higher Signal Strength in CRN 一种抑制CRN中较高信号强度的全球移动通信系统
Purnima Bairagi, Abhishek Bhatt, Devant Sen
The spectrum allocation is the big problem in Cognitive Radio Network (CRN) and the reason is the unreliable deeds of Secondary Users (SU). The Secondary Users (SU) are reliable users and licensedusers in the network. These users are not responsible for malicious activities in CRN. The secondary users are using the free spectrum bands and also sometimes use the spectrum holes. The high strength of the attacker is also disturbing the actual performance PU as well as SU. This paper proposed a novel Global System for Mobile Communication with Prevention (GSMP) scheme to reduce the higher signal strength of malevolent nodes. The malevolent node transmits data from full of energy that passed over the actual receiver in the network. The mobile devices or nodes maintain the connection with others by sending control packets and after that exchanging information through established connections. The nodes are unknown from the attacker because it forwards the fake messages of the route in high strength. The attacker is detected by its strength i.e. it uses for forwarding of bogus packets that consumes the available bandwidth and by that not sends the data to the next neighbor node or sends up to the destination in the network. The proposed GSMP scheme is identified as the high signal strength at any intermediate node in the network. The higher signal strength again reaches normal by wedge its source i.e. attacker. The concert of propose GSMP is measured by different performance metrics.
频谱分配是认知无线网络(CRN)中的一大难题,其原因是次要用户(SU)的行为不可靠。从用户(Secondary Users)是指网络中的可靠用户和license用户。这些用户不对CRN中的恶意活动负责。二级用户使用空闲频段,有时也使用频谱孔。由于攻击者的高强度干扰了系统的实际性能,本文提出了一种新的GSMP (Global System for Mobile Communication with Prevention)方案来降低恶意节点的高信号强度。恶意节点通过网络中的实际接收器传输充满能量的数据。移动设备或节点通过发送控制报文来保持与其他设备或节点的连接,然后通过已建立的连接交换信息。节点是未知的,因为它以高强度转发路由的假消息。攻击者通过其强度来检测,即它用于转发消耗可用带宽的伪造数据包,并且不将数据发送到下一个邻居节点或发送到网络中的目的地。所提出的GSMP方案在网络的任何中间节点上都具有高信号强度。较高的信号强度通过楔入其源即攻击者再次达到正常。提出的GSMP的一致性通过不同的性能指标来衡量。
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引用次数: 0
2x2 Matrix Multiplication with 4-Bit elements in 45nm CMOS Technology 45纳米CMOS技术中4位元件的2x2矩阵乘法
Chiranjit R Patel, Vivek Urankar, Vivek B A, Sampath Kumar R
A simple and effective method for matrices multiplication is proposed. The determination of the resultant output matrix can either performed in parallel or sequentially, both resulting in the same output. The selection of the algorithm is application-specific and filters down to the frequency of operation or power consumption. Multipliers and adders are the main hardware blocks in a matrix multiplication system. Hence, choosing a multiplier which is not only fast but also consumes lesser power and area is vital. This study also proposes a modified 2-bit and 4-bit multiplier architectures based on Vedic mathematics, which is proven to be more efficient than the standard architectures. The simulations are performed using Cadence Virtuoso 45nm CMOS technology. The proposed 7T SRAM cell makes use separate write and reads ports which are controlled by Read Word Line (RWL) and Write Word Line (WWL). Specter simulations are performed for voltage ranges from 0.8V to 1.5V. The simulations also show that the matrix multiplier of 2-bit and 4-bit elements can operate at 2GHz and 0.7GHz at 1.2V respectively, and consumes an average of 140$mu$W and 350$mu$W. The layouts designed in 45nm are found to be matching with the schematic (LVS clean) and follows all Foundry rules (DRC clean).
提出了一种简单有效的矩阵乘法方法。结果输出矩阵的确定既可以并行执行,也可以顺序执行,两者都产生相同的输出。算法的选择是特定于应用程序的,并过滤到操作频率或功耗。乘法器和加法器是矩阵乘法系统的主要硬件模块。因此,选择既快又功耗小、面积小的乘法器至关重要。本研究还提出了一种基于吠陀数学的改进的2位和4位乘法器架构,该架构被证明比标准架构更高效。采用Cadence Virtuoso 45nm CMOS技术进行仿真。建议的7T SRAM单元使用由读字线(RWL)和写字线(WWL)控制的单独的写和读端口。魔影模拟执行电压范围从0.8V到1.5V。仿真还表明,2位和4位元件的矩阵乘法器在1.2V下分别可以工作在2GHz和0.7GHz,平均功耗分别为140美元和350美元。在45nm设计的布局被发现与原理图(LVS清洁)匹配,并遵循所有代工规则(DRC清洁)。
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引用次数: 2
AI based Speech Language Therapy using Speech Quality Parameters for Aphasia Person: A Comprehensive Review 基于人工智能的失语症患者语音质量参数语音语言治疗综述
K. R. Jothi, S S Sivaraju, Priyanka Yawalkar
Aphasia is a communication disorder that hinders the ability to express and communicate with society. Aphasia individual can face difficulties in sentence formation, opinions and trouble with pronunciation. In this survey paper, various techniques have been reviewed based on previous researches including diagnosis and treatment. Automatic diagnosis can evaluate the severity level of aphasia disorder. The important feature of this disorder is that it will not affect their intelligence. This motivated to come up with a speech assessment system which will evaluate speech based on acoustic features. Further, speech will classify into Aphasia quotient score (0 - 100). This system will analyse aphasic speech and provides feedback to the patients. This will help them to improve their speaking and reading skills.
失语症是一种阻碍表达和与社会沟通能力的沟通障碍。失语症患者可能在造句、发表意见和发音方面遇到困难。本文从诊断和治疗两方面综述了不同的治疗方法。自动诊断可以评估失语症的严重程度。这种障碍的重要特征是它不会影响他们的智力。这促使我们提出了一种基于声学特征来评估语音的语音评估系统。此外,语音将被分类为失语商分数(0 - 100)。该系统将分析失语并向患者提供反馈。这将有助于他们提高口语和阅读能力。
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引用次数: 3
Improving Device Performance of OFET by Changing its Geometry 通过改变OFET的几何形状来改善器件性能
S. Bathla, N. Gaur
Organic semiconductors have recently gained significant research interest due to its flexible applications, low fabrication cost, large area and the profound advantages over the existing inorganic semiconductors. Out of this, the parameter that has gained increased research significance is Mobility. Mobility of organic semiconductors are not as good as its inorganic counterparts. Now-a-days organic semiconductors have gained much progress to improve its mobility when compared to inorganic semiconductors. One way to improve mobility is to use multiple gates as comparison to single gate. The results of the proposed research work has clearly demonstrates the comparison between SG-OFET and DG-OFET characteristics and its effects on mobility. Results are also shown that the same effect can be observed in case of inorganic semiconductors. OFET structures are designed and the characteristics are obtained by using SILVACO tool.
有机半导体由于其应用灵活、制造成本低、占地面积大以及相对于现有无机半导体的深刻优势,近年来引起了人们极大的研究兴趣。其中,增加了研究意义的参数是流动性。有机半导体的迁移率不如无机半导体。与无机半导体相比,有机半导体在提高其迁移率方面取得了很大进展。提高机动性的一种方法是使用多栅极而不是单栅极。所提出的研究工作的结果清楚地展示了SG-OFET和DG-OFET特性的比较及其对迁移率的影响。结果还表明,在无机半导体中也可以观察到相同的效果。利用SILVACO工具对OFET结构进行了设计和特性分析。
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引用次数: 0
Analysis of MMC Coordination with Hybrid DC Breakers for HVDC Grid Protection 高压直流电网保护中MMC与混合直流断路器配合分析
Tejas S. Gaidhani, Mohan P. Thakre
High-voltage direct-current (HVDC) grid protection strategy has a broad research scope. Many approaches were developed during restrain DC fault currents. The modular Multilevel Converters (MMCs) are used in the proposed research work. In this method, DCCBs is temporarily by-passed at MMC sub-modules. When the fault is isolated at DCCBs, MMCs will remain at normal state. In this, two actions are observed, they are MMC blocking and no corrective action. A fault algorithm detection & distinction is being used and their effect forth M MC by-passage is observed. Results of simulation show that synchronization of MMCs & DCCBs significantly decreases current of dc fault.
高压直流电网保护策略具有广泛的研究范围。抑制直流故障电流的方法有很多。本文采用模块化多电平变换器(MMCs)进行研究。在这种方法中,dccb暂时绕过MMC子模块。当dccb故障被隔离后,mmc将保持正常状态。在这种情况下,观察到两种行为,它们是MMC阻塞和无纠正行为。采用了故障检测与区分算法,并观察了故障检测与区分算法对mmc通过的影响。仿真结果表明,mmc与dccb的同步可以显著降低直流故障电流。
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引用次数: 3
Machine learning based Pedantic Analysis of Predictive Algorithms in Crop Yield Management 基于机器学习的作物产量管理预测算法的迂腐分析
M. Chandraprabha, Rajesh Kumar Dhanaraj
Predictive analytics is a statistical technique used to forecast and investigate the development from past chronological data or to extract the information from data. With the help of rising technologies like predictive analytics in data mining, machine learning combining with Internet of Things [IoT], the major challenges in crop yield can be solved and pave way to earn profit. Machine learning means the process of making the system to learn from the previous experiences that help in prediction. In this paper, an conjectural evaluation on diverse prediction algorithms like support vector machines (SVM), recurrent neural networks (RNN), K nearest neighbour regression (KNN-R), Naive Bayes, BayesNet, support vector regression (SVR) etc., is done and its performance are described on the basis of error rates and accuracy level in crop yield. BayesNet shows the higher accuracy of about 97.53% and RNN has less percentage error rates that dominate other algorithms in harvest prediction.
预测分析是一种统计技术,用于从过去的时间顺序数据中预测和调查发展或从数据中提取信息。在数据挖掘中的预测分析、机器学习与物联网(IoT)相结合等新兴技术的帮助下,作物产量方面的主要挑战可以得到解决,并为盈利铺平道路。机器学习是指使系统从以前的经验中学习的过程,这有助于预测。本文对支持向量机(SVM)、递归神经网络(RNN)、K近邻回归(KNN-R)、朴素贝叶斯(Naive Bayes)、贝叶斯网络(BayesNet)、支持向量回归(SVR)等多种预测算法进行了推测性评价,并根据作物产量预测的错误率和准确率水平对其性能进行了描述。BayesNet显示出更高的准确率,约为97.53%,RNN在收获预测中具有更低的错误率,这在其他算法中占主导地位。
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引用次数: 17
Native and Non-Native Marathi Numerals Recognition using LPC and ANN 基于LPC和ANN的本地和非本地马拉地语数字识别
Shital S. Joshi, V. D. Bhagile
Speech recognition is gaining an increasing research interest in the last five decades. Speech processing is considered as an interdisciplinary branch of electronics and computer science domain. It considers speech as an input and converts it into the corresponding text. This paper describes the design and development of Marathi Numeric Speech Dataset. Marathi Numbers (Ank) ranging from Shunya(0) to Nau(9) and are taken into consideration for recording. Speech samples are collected from 50 native and 50 non-native speakers of Marathi language. The dataset remains as a gender balanced since it is recorded from 50 females and 50 male speakers. The age of speakers will affect the speech. Therefore, 5 different age groups such as 11-20, 21-30, 31-40, 41-50 and 51-60 are considered. Native and non-native speakers are selected to obtain ample amount of variations in the pronunciation of Marathi numerals. Feature extraction and feature matching technique plays a vital role for speech recognition and here LPC (Linear Predictive Coding) is used for extracting features from samples, whereas ANN (Artificial neural network) is used to classify them. Experimental specifications and results are also discussed. This research work has attempted to design and develop a speech recognition system, which can understand Marathi Ank (Numbers) and identify them accurately.
语音识别在过去的五十年中获得了越来越多的研究兴趣。语音处理被认为是电子和计算机科学领域的一个跨学科分支。它将语音视为输入并将其转换为相应的文本。本文描述了马拉地语数字语音数据集的设计和开发。马拉地语数字(Ank),范围从Shunya(0)到Nau(9),用于记录。语言样本收集了50名母语马拉地语和50名非母语马拉地语使用者。该数据集保持性别平衡,因为它记录了50名女性和50名男性演讲者。说话人的年龄会影响讲话。因此,我们考虑了11-20岁、21-30岁、31-40岁、41-50岁和51-60岁这5个不同的年龄段。选择母语和非母语人士,以获得马拉地语数字发音的大量变化。特征提取和特征匹配技术在语音识别中起着至关重要的作用,其中使用LPC(线性预测编码)从样本中提取特征,而使用ANN(人工神经网络)对样本进行分类。并讨论了实验规范和结果。本研究工作试图设计和开发一个能够理解马拉地语Ank(数字)并准确识别它们的语音识别系统。
{"title":"Native and Non-Native Marathi Numerals Recognition using LPC and ANN","authors":"Shital S. Joshi, V. D. Bhagile","doi":"10.1109/ICECA49313.2020.9297647","DOIUrl":"https://doi.org/10.1109/ICECA49313.2020.9297647","url":null,"abstract":"Speech recognition is gaining an increasing research interest in the last five decades. Speech processing is considered as an interdisciplinary branch of electronics and computer science domain. It considers speech as an input and converts it into the corresponding text. This paper describes the design and development of Marathi Numeric Speech Dataset. Marathi Numbers (Ank) ranging from Shunya(0) to Nau(9) and are taken into consideration for recording. Speech samples are collected from 50 native and 50 non-native speakers of Marathi language. The dataset remains as a gender balanced since it is recorded from 50 females and 50 male speakers. The age of speakers will affect the speech. Therefore, 5 different age groups such as 11-20, 21-30, 31-40, 41-50 and 51-60 are considered. Native and non-native speakers are selected to obtain ample amount of variations in the pronunciation of Marathi numerals. Feature extraction and feature matching technique plays a vital role for speech recognition and here LPC (Linear Predictive Coding) is used for extracting features from samples, whereas ANN (Artificial neural network) is used to classify them. Experimental specifications and results are also discussed. This research work has attempted to design and develop a speech recognition system, which can understand Marathi Ank (Numbers) and identify them accurately.","PeriodicalId":297285,"journal":{"name":"2020 4th International Conference on Electronics, Communication and Aerospace Technology (ICECA)","volume":"150 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115894097","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: 1
Design and Implementation of Voice Assisted Smart Glasses for Visually Impaired People Using Google Vision API 使用谷歌视觉API为视障人士设计和实现语音辅助智能眼镜
P. Rajendran, Padmaveni Krishnan, D. Aravindhar
Generally, visually challenged people tends to have difficulties in traveling and managing many kinds of challenges in their routine life. Mostly, wooden Sticks are used to sense barriers and obstacles next to them. As a result, visually impaired people cannot know exactly what kind of challenges they face and must thus rely entirely on lead sticks and training to navigate safely and in the right direction. This research work focuses on the development of a guidance system that uses smart glass paired with a sensor to continually capture images from the environment by the user wearable smart glass. The smart glass is equipped with a processor to process the captured images and objecst will be detected to inform the user about the results of the image and the user would have a much more comprehensive view of the method. This system allows visually impaired people not only to inform about traveling route and distance to the obstacle, but it also can inform about what the obstacle is. This smart glass can sense the distance from the obstacle and produce a warning to alert the user in advance. This application is developed to provide such a speech-based interface for the user, i.e. the user sends a voice that interprets his destination location when and when he is about to reach the destination. Here, instead of an alarm signal, the blind man can hear the location recorded by the user.
一般来说,视力障碍的人在旅行和处理日常生活中的各种挑战方面往往有困难。大多数情况下,木棒是用来感知周围的障碍物的。因此,视力受损的人无法确切地知道他们面临的是什么样的挑战,因此必须完全依靠铅棒和训练来安全导航,并朝着正确的方向前进。本研究工作的重点是开发一种引导系统,该系统使用智能眼镜与传感器配对,通过用户可穿戴智能眼镜持续捕获环境中的图像。智能玻璃配备了一个处理器来处理捕获的图像,物体将被检测到,以通知用户图像的结果,用户将对该方法有一个更全面的看法。这一系统不仅能让视障人士了解行进路线和距离障碍物,还能让他们知道障碍物是什么。这种智能玻璃可以感应到与障碍物的距离,并提前发出警告提醒用户。本应用开发的目的就是为用户提供这样一个基于语音的界面,即用户在即将到达目的地时发出一个语音,解释他的目的地位置。在这里,盲人可以听到用户记录的位置,而不是警报信号。
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引用次数: 9
Efficient and Enhanced High Throughput Image Denoising Using Chronical Fuzzy Set 基于时序模糊集的高效增强型高通量图像去噪
K. Lakshmi, M. Padmaja
A basic and fundamental step in image processing for any type of applications is removing noise from a query image. The significant ideal property of a best and perfect image de-noising model is that to preserve edges and noise has to be removed entirely. An efficient fuzzy based filter integrated with modified rules set is implemented in this research work for noise reduction of images corrupted with at-most noise. Proposed design consists of two variant stages. The first stage produces a fuzzy derivative for whole eight different directions. Final stage uses these fuzzy derivatives to implement fuzzy smoothing by weighting the participation of neighbouring pixel values. Type 2 fuzzy structure distinguishes the noisy pixels in the satellite picture and transforms the picture into a binary picture, which is gone through the Adaptive Nonlocal Mean Filter (ANLMF) for the noise rectification. Ultimately, for the picture improvement, the kernel-based addition plan has to be carried out, which is done through the proposed filtering of fuzzy. The above whole process christened as chronic fuzzy system. In Proposed architecture, we present an energy efficient algorithm for making the system more robust and it is developed on a Cadence 90-nm technology. The energy per sample for 8-bit test pattern has been reduced by 64% and power consumption is reduced by 44% when compared to existing architectures.
对于任何类型的应用程序,图像处理的一个基本步骤是从查询图像中去除噪声。一个最佳和完美的图像去噪模型的重要理想特性是要保留边缘和噪声必须完全去除。本文提出了一种结合改进规则集的基于模糊的高效滤波方法,用于对被最大噪声破坏的图像进行降噪。建议的设计包括两个不同的阶段。第一阶段对整个8个不同方向产生模糊导数。最后阶段使用这些模糊导数通过加权相邻像素值的参与来实现模糊平滑。2型模糊结构对卫星图像中的噪声像素进行识别,将图像转换为二值图像,并通过自适应非局部均值滤波(ANLMF)进行噪声校正。最终,为了提高图像质量,必须采用基于核的添加方案,该方案通过提出的模糊滤波来实现。上述过程称为慢性模糊系统。在拟议的架构中,我们提出了一种节能算法,使系统更具鲁棒性,它是在Cadence 90纳米技术上开发的。与现有架构相比,8位测试模式的每个样本能量降低了64%,功耗降低了44%。
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引用次数: 0
Design of a multifunctional small digital integrated circuit (IC) using 180nm CMOS Technology 基于180nm CMOS技术的多功能小型数字集成电路设计
Raviraj Singh, R. Khatri, R. Gurjar
This article presents a multifunctional digital integrated circuit(IC)and the integrated circuit performs four tasks separately namely, 555 Timer, Multiplexer, Counter, and Flip-Flop. The certain task is chosen by selecting two-line input four output demultiplexers. The 555 timer IC performs three different modes such as monostable, astable, and bistable mode. These modes are chosen by a given input pattern. The design is delivered by a 1. 8V direct current supply with a difference ofO.lv. The proposed design consumes 11.41mW power which is reliable. These circuits are depicted by Semi-conductor Laboratory (SCL) 180nm Technology in Cadence Virtuoso Analog Design Environment.
本文介绍了一种多功能数字集成电路(IC),该集成电路分别执行四项任务,即555定时器、多路复用器、计数器和触发器。通过选择双线输入四输出解复用器来选择特定的任务。555定时器IC执行三种不同的模式,如单稳定,不稳定和双稳定模式。这些模式是由给定的输入模式选择的。该设计是由一个1。8V直流电源,电压差为1伏。本设计功耗为11.41mW,性能可靠。这些电路是由半导体实验室(SCL) 180nm技术在Cadence Virtuoso模拟设计环境中描述的。
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引用次数: 0
期刊
2020 4th International Conference on Electronics, Communication and Aerospace Technology (ICECA)
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