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Feeding Methods for a Circular Shaped Multiband Patch Antenna at 5G, X and Ku Band to Quantify their Effects on Antenna Characteristics 5G、X、Ku波段圆形贴片天线馈电方式对天线特性的影响
Q3 Physics and Astronomy Pub Date : 2023-01-01 DOI: 10.21272/jnep.15(3).03007
Nitasha Bisht, P. Malik, Sudipta Das
The paper is a comparative analysis of coaxial feed and microstrip line feed for a slotted circular patch microstrip antenna. When various feeding techniques are used to increase impedance matching, the performance of several characteristic parameters, such as voltage standing wave ratio, radiation pattern, gain etc. are impacted. To determine the extent to which these variables are affected, a comparison study is conducted, and the results are provided in this work. With the help of High Frequency Structure Simulator (HFSS) 3D electromagnetic software the antenna is devised and simulated. The intended coaxial feed antenna resonates at 7.5 GHz, 12.5 GHz, and 15 GHz, with bandwidths of 1800, 720, and 360 MHz, respectively, and 5.63 dB as a peak gain. In contrast, the proposed micro-strip feed antenna resonates at 3.5, 7, 12.8, 15, 17.5 GHz with a bandwidth of 180, 450, 90, 1170, 2250 MHz and a peak gain of 6.57 dB. In terms of gain, bandwidth, and multiband characteristics, microstrip line feed has been shown to outperform coaxial probe feed. The antenna designed with dimension of 33.56  33.56 mm 2 . The substrate used for the designing of circular patch microstrip antenna is FR4. The novel features of the designed antenna include its multiband properties and increased bandwidth. The proposed antenna can be utilized efficiently in X, Ku and lower 5G band.
本文对一种开槽圆形贴片微带天线的同轴馈电和微带线馈电进行了比较分析。当采用各种馈电技术来增加阻抗匹配时,会影响电压驻波比、辐射方向图、增益等几个特性参数的性能。为了确定这些变量的影响程度,进行了比较研究,并在本工作中提供了结果。利用高频结构模拟器(HFSS)三维电磁软件对天线进行了设计和仿真。预期的同轴馈电天线谐振频率为7.5 GHz、12.5 GHz和15 GHz,带宽分别为1800、720和360 MHz,峰值增益为5.63 dB。微带馈电天线谐振频率分别为3.5、7、12.8、15、17.5 GHz,带宽分别为180、450、90、1170、2250 MHz,峰值增益为6.57 dB。在增益、带宽和多频带特性方面,微带线馈电已被证明优于同轴探头馈电。天线设计尺寸为33.5633.56 mm 2。用于圆形贴片微带天线设计的衬底是FR4。该天线具有多频带特性和带宽提高等特点。该天线可以在X、Ku及更低的5G频段中有效利用。
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引用次数: 0
Vehicles Automatic Controller by using the Eye Gaze Sensor Application 车辆自动控制器使用眼睛注视传感器的应用
Q3 Physics and Astronomy Pub Date : 2023-01-01 DOI: 10.21272/jnep.15(3).03018
T. Karthika, S. Parasuraman, A. Manimaran, P. Geetha, Selciya Selvan, D. Kumutha
Vehicle accidents have suddenly increased over the years, and several technologies are also being researched to prevent them. The above research work offers ways of an accident prevention system employing an eye blink sensor as well as an automated braking technique to make sure that when fatigue is detected and the driver doesn't respond to the buzzer's warning bell within the permitted time, the Vehicle comes to a slow stop. During the allocated time before circuit design, the vehicle's hazard, warning lights are turned on to warn other drivers, particularly those driving ahead. Thus, the results show that the eye blink sensor is used by the car's accident prevention system once the car has stopped. The Proteus software package and the C++ programming language were utilized to verify that the automated braking system is an effective method for reducing accidents caused by fatigued driving. The design and development of a car collision and accident prevention system, when drowsiness is identified using eye blink sensors is proposed in this research paper. This research work is essential because incorporating this technology into automobiles prevents accidents caused by driving when fatigued. This research work might be improved by more research to increase driver attention by employing wireless technology to inform other cars when the driver is tired rather than using the vehicle's danger warning lights
近年来,交通事故突然增加,人们也在研究几种预防交通事故的技术。上述研究工作提供了一种采用眨眼传感器和自动制动技术的事故预防系统的方法,以确保当检测到疲劳时,驾驶员没有在允许的时间内响应蜂鸣器的警告铃,车辆会缓慢停车。在电路设计之前的指定时间内,车辆的危险警示灯会打开,以警告其他驾驶员,特别是前面行驶的驾驶员。因此,结果表明,一旦汽车停止,眨眼传感器就会被汽车的事故预防系统使用。利用Proteus软件包和c++编程语言验证了自动制动系统是减少疲劳驾驶事故的有效方法。本文提出了一种基于眨眼传感器的汽车碰撞与事故预防系统的设计与开发。这项研究工作至关重要,因为将这项技术应用到汽车上可以防止疲劳驾驶造成的事故。这项研究工作可以通过更多的研究来提高驾驶员的注意力,通过使用无线技术来通知其他车辆,而不是使用车辆的危险警示灯
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引用次数: 0
Methods of Experimental Research of Broadband Piezoelectric Transducer for Medical Applications 医用宽带压电换能器的实验研究方法
Q3 Physics and Astronomy Pub Date : 2023-01-01 DOI: 10.21272/jnep.15(3).03029
S. A. Naida, T. Zheliaskova, A. V. Darchuk, N. Naida, A. Naida, H. A. Kliushnichenko
.
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引用次数: 0
Electrical Conductivity of Composite Materials Based on n-InSe and Thermally Expanded Graphite 基于n-InSe和热膨胀石墨的复合材料的导电性
Q3 Physics and Astronomy Pub Date : 2023-01-01 DOI: 10.21272/jnep.15(1).01002
V. Kaminskii, Z. Kovalyuk, V. B. Boledzyuk, P. Savitskii, V. I. Ivanov, M. V. Tovarnitskii
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引用次数: 0
High-Performance Two-Dimensional Photonic Crystal Biosensor to Diagnose Malaria Infected RBCs 高性能二维光子晶体生物传感器诊断疟疾感染红细胞
Q3 Physics and Astronomy Pub Date : 2023-01-01 DOI: 10.21272/jnep.15(1).01008
H. Tayoub, A. Hocini, A. Harhouz
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引用次数: 1
Analysis of Silver Nanoparticles as Carriers of Drug Delivery System 纳米银作为药物递送系统载体的分析
Q3 Physics and Astronomy Pub Date : 2023-01-01 DOI: 10.21272/jnep.15(4).04015
A. B. Pawar, Sachin K. Korde, Dhananjay S. Rakshe, P. William, M. A. Jawale, Neeta Deshpande
Nanotechnology has advanced significantly over the last decade and has found several uses in fields as diverse as medical, pharmaceuticals, microelectronics, aerospace
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引用次数: 1
Design of a UWB Coplanar Antenna with Step Graded Ground Plane for 5G and Modern Wireless Communication Applications 面向5G及现代无线通信应用的台阶渐变地平面超宽带共面天线设计
Q3 Physics and Astronomy Pub Date : 2023-01-01 DOI: 10.21272/jnep.15(4).04024
M. Bendaoued, A. Es-saleh, B. Nasiri, S. Lakrit, S. Das, R. Mandry, A. Faize
This article covers a wideband coplanar rectangular patch antenna for 5G and wireless communication applications below 6 GHz. The proposed antenna design comprises of a rectangular CPW fed patch with a partial ground plane loaded with stair-case shaped slots. The simulated results demonstrate that the studied antenna has working band that ranges from 3 GHz to 6 GHz with | S 11 | ≤ 10 dB, covering the whole N77/N78/N79 band for 5G sub-6 GHz as well as several modern wireless communication systems including WiMAX, WLAN and long-term evolution (LTE). In addition, the various procedures can be utilized to design and match this antenna for additional frequency bands. The examined antenna displays steady bidirectional radiation patterns, high gain, and efficiency. The projected structure has an overall size of 31.84  26.06 mm 2 and it is designed with a cheap FR4 type substrate of 4.4 relative dielectric constant. The suggested antenna has a miniaturized dimensions and good electrical performances. The proposed antenna is developed and simulated using Computer Simulation Advanced Design System (ADS). It is of potential interests because of its symmetrical radiation behavior, tiny footprint, and planar form. The investigated antenna may be a prospective choice for usage in 5G for sub 6 GHz bands and current wireless communication systems due to its superior performance parameters.
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引用次数: 0
Analysis of Charge Plasma Based Hetero Junction Nanowire Multi Channel Field Effect Transistor for Sub 10 nm 10nm以下基于电荷等离子体的异质结纳米线多通道场效应晶体管分析
Q3 Physics and Astronomy Pub Date : 2023-01-01 DOI: 10.21272/jnep.15(4).04032
M. Balaji, S. Ashok Kumar
This paper describes the design and development of a Nano Wire Multi Channel Field Effect Transistor (NWMCFET) with a gate length of 5 nm. The NWMCFET is created by splitting the Nanowire MCFET into four channels, and the charge plasma concept is employed during the design process using the Sentaurus TCAD simulation tool. To enhance the performance of the NWMCFET, Silicon Carbide (SiC) is utilized for the source and drain regions. The integration of SiC, combined with the utilization of a multi-bridge channel and the device's Ultra-Thin Body (UTB) technology, leads to an increased current drive capability. The Cur-rent-Voltage ( I-V ) characteristics of the device are plotted, and it is observed that these techniques result in a notable enhancement in current drive and overall performance. Additionally, the inclusion of hetero junction phenomena in the NWMCFET design further improves its performance. Consequently, the device incorporating the multi-channel and electrostatic doping idea demonstrates comparable results to manually doped devices. This finding highlights the potential of the proposed device design. Particularly, in the context of sub-10 nm devices, further development in this direction holds significant advantages. In summary, this paper presents a comprehensive exploration of a Nano Wire Multi Channel Field Effect Transistor design, utilizing the charge plasma concept, SiC material, and a multi-bridge channel configuration. The experimental results indicate improved current drive and overall device performance. Furthermore, the incorporation of hetero junction phenomena is found to be beneficial. The proposed design offers promising prospects for the development of sub-10 nm devices in the future.
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引用次数: 0
Design and Analysis of Properties MASnl3 Nanostructures Doped with Cu2O Cu2O掺杂MASnl3纳米结构的设计与性能分析
Q3 Physics and Astronomy Pub Date : 2023-01-01 DOI: 10.21272/jnep.15(4).04020
Ankit Mishra, Manoj Kumar Nigam
presented at the 3 rd International Conference on Innovative Research in Renewable Energy Technologies (IRRET-2023
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引用次数: 0
Design of High Gain Compact Microstrip Patch Antenna at ISM Band ISM波段高增益紧凑型微带贴片天线的设计
Q3 Physics and Astronomy Pub Date : 2023-01-01 DOI: 10.21272/jnep.15(4).04011
Indhuja Nivetha H, Sathiyapriya T, Gurunathan V, Monasri A, Sathish Kumar S, Selvaraj V
A Frequency-Selective Surface (FSS) is any thin, repetitive metal surface designed to reflect, transmit, or absorb electromagnetic radiation according on the frequency of the wave. The entering plane wave will either be transmitted (passband) or reflected back (stopband) depending on the characteristics of the unit cell. This happens when the frequency of an electromagnetic (EM) wave coincides with the resonance frequency of the FSS components. As a result, an FSS is a spatial filter capable of allowing or inhibiting EM waves of a certain frequency range in free space. FSSs have now been widely investigated, and great progress is being made in the field of their design and implementation for a wide range of practical applications, from microwave to optical frequencies. The Frequency Selective Surface attached to the new center-fed circular patch antenna is presented. A wide band from 5 GHz to 6.2 GHz is achieved with a monopole-like radiation pattern. According to simulation results of the proposed antenna structure, it can be applied in ISM band applications, wireless audio and video systems and other wireless communications at 5.8 GHz. It has a simulated maximum gain of 5.36 dBi and a bandwidth of 31.1 %. Throughout the operational band, the omnidirectional radiation pattern is fairly constant. The overall dimensions of the antenna are 27.34  27.34 mm 2 including FSS structure thus makes a compactable wideband system at 5.8 GHz. A circular patch antenna with diamond slot at center initialize first resonance at 5.8 GHz with a dimension of 20  20 mm 2 and performance parameter is further improved by appending FSS Structure.
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Journal of Nano-and electronic Physics
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