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

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Miniaturized Micro-strip Antenna for 5th Generation Applications 第五代微型微带天线
Neetu Agrawal, Manish Gupta, Sanjay Chouhan
This article presents a lightweight rectangular microstrip antenna which is developed for 5G communication systems. The resonance frequency is selected as 28 GHz for 5G use. FR4 epoxy material with a permittivity of 4.4 is selected as substrate material which has low cost and substrate size is $5.5times 4.5$ mm2. The shape of the radiating patch is rectangular and using the microstrip feeding technique. HFSS software is used for the simulation. Different parameters are observed, such as return loss, Gain, and radiation pattern. The antenna has a gain of over 2.9 dB which is very useful for 5G communications.
本文介绍了一种面向5G通信系统的轻型矩形微带天线。5G使用的共振频率选择为28ghz。衬底材料选用介电常数为4.4的FR4环氧树脂材料,成本低,衬底尺寸为5.5 × 4.5$ mm2。辐射片的形状为矩形,采用微带馈电技术。采用HFSS软件进行仿真。观测到不同的参数,如回波损耗、增益和辐射方向图。该天线的增益超过2.9 dB,这对5G通信非常有用。
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引用次数: 1
Comparative Study of Different Adaptive Control Strategies in Noise Cancellation Applications 不同自适应控制策略在噪声消除应用中的比较研究
Amruta Madhukar Dabhade, P. Kanjalkar
In this paper, the system identification and noise cancellation has been done and further the adaptive control algorithms like LMS(Least mean square),NLMS(normalized least mean square),NLMF(normalized least mean forth) and RLS(recursive least square) filters are compared. System identification identifies an unknown system given an input and output. It is used in active vibration and noise control applications. The LMS algorithm has lowest computations involved than all other ones. RLS is a computationally complex filter algorithm but it works more efficiently. In all of these filter algorithms, the weight coefficient is continuously updated until the convergence is reached. These algorithms are implemented and are compared by using parameters such as MSE (mean square error), PSNR (peak signal to noise ratio), convergence, complexity and accuracy.
本文对系统进行了辨识和噪声消除,并对LMS(最小均方)、NLMS(归一化最小均方)、NLMF(归一化最小均方)和RLS(递归最小二乘)滤波器等自适应控制算法进行了比较。系统识别识别给定输入和输出的未知系统。它用于主动振动和噪声控制应用。与其他算法相比,LMS算法的计算量最少。RLS是一种计算复杂的滤波算法,但它的工作效率更高。在所有这些滤波算法中,权重系数都是不断更新的,直到达到收敛。对这些算法进行了实现,并通过MSE(均方误差)、PSNR(峰值信噪比)、收敛性、复杂度和精度等参数进行了比较。
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引用次数: 2
dentification of Suitable Modulation Scheme for Boosted output in ZSI ZSI升压输出调制方案的确定
Arti Badhoutiya, S. Chandra, S. Goyal
In order to obtain a sustainable alternative for the power generation in developing countries, grid coupled PV panels are the best solution which is widely preferred in developed countries. A PV module with a grid coupled inverter is embodied in an AC module. Transformer less single stage arrangements are highly efficient and preferred over different arrangements of an AC module. ZS I being one of such arrangements have seen a fast evolution since its first release in 2003, in which its different arrangements along with its control and modulation schemes are included. This paper work emphasizes on the performance of ZS I under three modulation techniques provided with constant input voltage and modulation index, and finally conclude with a suitable scheme to obtain high output voltage.
为了使发展中国家的发电获得可持续的替代方案,电网耦合光伏板是最好的解决方案,在发达国家被广泛采用。一种具有电网耦合逆变器的光伏模块,体现在交流模块中。变压器少的单级安排是高效率的,优先于交流模块的不同安排。自2003年首次发布以来,ZS I作为这样的安排之一已经看到了快速的发展,其中包括其不同的安排以及其控制和调制方案。本文重点研究了在恒定输入电压和调制指数条件下,三种调制技术下zsi的性能,最后得出了一种合适的方案来获得高输出电压。
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引用次数: 2
Detection of Broken Strands on Transmission Lines through Image Processing 基于图像处理的输电线路断线检测
P. Shivani, S. Harshit, Ch.Vamsi Varma, R. Mahalakshmi
Transmission lines act as a medium to transmit power between the generating station and distribution station. The overhead transmission lines are placed at a height from the ground for safety purposes. When the transmission line is exposed to the environment for the long term, they are subjected to vibration due to wind, icing of conductors, etc., Hence there are chances of damages like partial breaks and fractures on the surfaces of the line. This leads to a reduction in load-bearing capacity. To overcome these issues, there is a necessity for continuous observation of the transmission lines. This paper targets the detection of fault due to broken strands in a transmission line using image processing. It is done using grayscale variance normalization along with the average intensity method in OpenCV, Python. The statistics about the transmission lines will be sent to the monitoring station for implementing precautionary measures.
输电线路是在发电站和配电站之间传输电力的媒介。为了安全起见,架空输电线路被放置在离地面一定高度的地方。当输电线路长期暴露在环境中时,会受到风、导线结冰等因素的振动,因此有可能出现线路表面局部断裂和断裂等损坏。这导致了承载能力的降低。为了克服这些问题,有必要对输电线路进行连续观测。本文的目标是利用图像处理技术对传输线断链故障进行检测。它是使用灰度方差归一化以及OpenCV, Python中的平均强度方法完成的。有关输电线路的统计数据将发送到监测站,以便实施预防措施。
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引用次数: 2
A Fundamental Study on Suicides and Rainfall Datasets Using basic Machine Learning Algorithms 基于基本机器学习算法的自杀和降雨数据集的基础研究
U. Harita, V. U. Kumar, Dorababu Sudarsa, G. R. Krishna, C. Z. Basha, B. S. S. P. Kumar
Suicides in India have been registering at an alarming rate. The rainfall rate in India is unpredictable due to changes in environment. Farmers faces huge losses due to this unpredictable rains. This leads into loss of lives and results the farmers into suicide state. Relative analysis of rainfall and suicide rate will support farmers to avoid losses due to rainfall and further suicides can be avoided. Prediction of rainfall and suicide rate is achieved in India using machine learning algorithms such as Linear regression, Logistic regression, Support Vector Machine and Random Forest. Relative analysis provides better prediction results which greatly supports the farmers and avoid losses.
印度的自杀率一直在以惊人的速度增长。由于环境的变化,印度的降雨量是不可预测的。由于这种不可预测的降雨,农民面临着巨大的损失。这导致了生命的损失,并导致农民进入自杀状态。对降雨量和自杀率的相关分析将帮助农民避免降雨造成的损失,并可以避免进一步的自杀。印度利用线性回归、逻辑回归、支持向量机和随机森林等机器学习算法实现了降雨量和自杀率的预测。相关分析提供了更好的预测结果,极大地支持了农民,避免了损失。
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引用次数: 6
Automatic Detection of Brain Tumor Using Deep Learning Algorithms 利用深度学习算法自动检测脑肿瘤
R. Sangeetha, A. Mohanarathinam, G. Aravindh, S. Jayachitra, M. Bhuvaneswari
Brain tumor is the result of an abnormal growth of cells, which reproduce themselves in an uncontrolled manner. This type of tumour is diagnosed through Magnetic Resonance Imaging (MRI), which plays a significant role in segmenting the tumor region into different ways for performing surgical and medical planning assessment but the manual detection may lead to errors and it is a time consuming process. To overcome the problem, experts use various algorithms for automatic detection of the tumor region, which are based on deep learning algorithms. They are designed to train and tune millions of images within a short period of time. Further, this paper proposes different types of classification methods with a number of iterations are based on CNN architectures such as VggNet, GoogleNet and ResNet 50. For 60 iterations VggNet reports 89.33% accuracy, GoogleNet 93.45% and ResNet 50 96.50%. Finally, it is proved that ResNet 50 achieves better results than VggNet and GoogleNet with comparatively less time and better accuracy.
脑瘤是细胞异常生长的结果,这些细胞以不受控制的方式自我繁殖。这种类型的肿瘤是通过磁共振成像(MRI)诊断的,它在将肿瘤区域分割成不同的方式进行手术和医疗计划评估方面发挥着重要作用,但人工检测可能会导致错误,并且是一个耗时的过程。为了克服这个问题,专家们使用了各种基于深度学习算法的自动检测肿瘤区域的算法。它们的设计目的是在短时间内训练和调整数百万张图像。进一步,本文提出了基于VggNet、GoogleNet和ResNet 50等CNN架构的不同类型的分类方法,并进行了多次迭代。对于60次迭代,VggNet的准确率为89.33%,GoogleNet为93.45%,ResNet为96.50%。最后,证明了ResNet 50比VggNet和GoogleNet取得了更好的结果,而且时间相对更短,准确率更高。
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引用次数: 8
MMC based SRM Drives for Hybrid EV with Decentralized BESS 基于MMC的分散BESS混合动力电动汽车SRM驱动
Parneet Kaur Chowdhary, Mohan P. Thakre
Owing to the growing demand for pollution free energy in metropolitan transport, HEV’s (Hybrid electric vehicles) and EVs (Electric Vehicle) are gaining ample consideration due to their fuel efficient performance and no ecological damage due to the absence of harmful emissions. Thus countries all over the world are now paying increasing attention on the development of FV and HEV technology. HEVs (Hybrid Electric Vehicles) driven by SRM (switched reluctance motor) is supported by MMC (modular multilevel converter) has been proved to be a capable system by considering a hybrid vehicle system with decentralized battery energy storage system (BES S). In this drive, a SM (sub-module) is comprised of cell of battery and half-bridge converter and numerous such Sub-modules together form MMC. Adjustable discharging and charging functionality for every sub-module are acquired by scheming SMs switches. This topology is unmatched to the conventional SRM drives and is also very beneficial by offering several advantages. The functioning of the drive is effectively simulated in MATLAB and the performance is evaluated in the Generator Control Unit (GCU) with only driving case and GCU-Battery hybrid case. The battery cells are also investigated for analyzing fault tolerant ability in battery driving mode and GCU-battery hybrid mode.
由于城市交通对无污染能源的需求日益增长,HEV(混合动力电动汽车)和ev(电动汽车)由于其燃油效率高,并且由于没有有害排放而不会对生态造成破坏,因此受到了广泛的关注。因此,世界各国对混合动力汽车技术的发展日益重视。采用开关磁阻电机驱动的混合动力汽车由模块化多电平变换器(MMC)支持,通过考虑具有分散电池储能系统的混合动力汽车系统(BES),证明了该系统的可行性。在该驱动系统中,SM(子模块)由电池单元和半桥变换器组成,许多子模块组成MMC。每个子模块的可调放电和充电功能都是通过设计SMs开关获得的。这种拓扑结构是传统SRM驱动器无法比拟的,并且通过提供几个优势也非常有益。在MATLAB中有效地模拟了驱动系统的功能,并在发电机控制单元(GCU)单独驱动和GCU-电池混合工况下对其性能进行了评估。研究了电池单元在电池驱动模式和gcu -电池混合模式下的容错能力。
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引用次数: 7
A Novel Authentication Method for Password Encryption 一种新的密码加密认证方法
Sovan Roy, Shah Md. Tanvir Siddiquee, Md. Khalidur Rahman, A. Marouf
Data hacking has become one of the anxiety issue in this modern era. Therefore, we have to prevent this illegal data hacking, theft at any cost. For ensuring data integrity, there are many methods including backups, encryption, access control, etc. We have presented an encryption methodology without merging the existing methods. By using the number conversion system and a defined mathematical calculation equation is the key to encrypt the password of the users. The password and date of birth are inputted by the users during the signup process. The encryption of the passwords has been stored into the database and manual calculation for the same cardinalities provides the same result. We have achieved an accuracy of 96% which is good as well as promising. Encryption is using in every sector to protect data and it has a wide range of future to work with it.
数据黑客已经成为当今时代令人焦虑的问题之一。因此,我们必须不惜一切代价防止这种非法的数据黑客入侵、盗窃。为了保证数据的完整性,有很多方法,包括备份、加密、访问控制等。我们提出了一种不合并现有方法的加密方法。通过使用数字转换系统和定义的数学计算方程来对用户的密码进行加密。密码和出生日期由用户在注册过程中输入。密码的加密已经存储到数据库中,对于相同基数的手动计算提供了相同的结果。我们已经达到了96%的准确率,这很好,也很有前景。加密技术被应用于各个领域,以保护数据,未来应用前景广阔。
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引用次数: 0
Analysis of Phishing Website Detection Using CNN and Bidirectional LSTM 基于CNN和双向LSTM的网络钓鱼网站检测分析
A. Pooja, M. Sridhar
Phishing is a critical internet hazard and phishing losses progressively and it is caused by electronic means to deprive the users of sensitive information. Feature engineering is remaining essential for website-detection phishing solutions, although the quality of detection depends ultimately on previous knowledge of its features. Moreover, while the functionalities derived from different measurements are more precise, these characteristics take a lot of time to remove. This suggest a multidimensional approach to the detection of phishings focused on a quick detection mechanism through deep learning to overcome these limitations. The first step is to extract and use the character sequence features of the given URL for rapid classification through in-depth learning; this step does not include support from third parties or previous experience in phishing. It combine statistical URLs, web page code functions, website text features and easily categorise Profound learning in the second level on multidimensional functions. By the approach, the detection time of the threshold is shortened. The experimental results show that a rational adjustment of the threshold allows for the efficiency of the detection.
网络钓鱼是一种重要的网络危害,网络钓鱼损失日益严重,它是通过电子手段剥夺用户敏感信息而造成的。特征工程对于网站检测网络钓鱼解决方案仍然至关重要,尽管检测的质量最终取决于先前对其特征的了解。此外,虽然从不同的测量中得到的功能更精确,但要去除这些特征需要花费大量时间。本文提出了一种多维度的网络攻击检测方法,通过深度学习的快速检测机制来克服这些局限性。第一步是通过深度学习提取并利用给定URL的字符序列特征进行快速分类;此步骤不包括第三方的支持或以前的网络钓鱼经验。它结合了统计url,网页代码功能,网站文本功能,并轻松地将深度学习分类在多维函数的第二级。该方法缩短了阈值的检测时间。实验结果表明,合理调整阈值可以提高检测效率。
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引用次数: 5
Multilabel Spatial Image Recognition using Deep Convolutional Neural Network 基于深度卷积神经网络的多标签空间图像识别
Nagaraj N. Bhat, K. V. Archana Hebbar, Sachin S. Bhat, Jayalakshmi, Pooja, D. Harshitha
This exhibits multilabel classification and segmentation of remote sensing satellite images through the deep learning framework. Here, the proposed methodology uses multi labelled Land-Mercede dataset and satellite images to perform the classification. The images obtained through satellite are first preprocessed by perfroming the operations like resizing and spatial blurring. In the next step, it performs the classification to classify each object based on the classes trained and finally segmentation is carried out to detect the changes at a particular place in a different time period. This method has achieved an overall classification accuracy of about 98.58% on a test set and least validation loss of 0.0001468 was also achieved by using a proposed model. The result of this approach can be used for more practical applications like urban planning and also to identify illegal activities that take place in restricted areas, forest, etc.. One of the main applications considered here will help to detect changes that happen in land change over time.
这展示了通过深度学习框架对遥感卫星图像进行多标签分类和分割。在这里,提出的方法使用多标记的land - mercedes数据集和卫星图像来进行分类。通过卫星获取的图像首先进行预处理,如调整大小和空间模糊等操作。然后根据训练出来的类进行分类,对每个对象进行分类,最后进行分割,检测不同时间段特定位置的变化。该方法在测试集上的总体分类准确率约为98.58%,使用所提出的模型也实现了最小的验证损失0.0001468。这种方法的结果可用于更实际的应用,如城市规划,也可用于查明在禁区、森林等发生的非法活动。这里考虑的主要应用之一将有助于检测土地随时间变化的变化。
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引用次数: 1
期刊
2020 4th International Conference on Electronics, Communication and Aerospace Technology (ICECA)
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