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95 articles for “line feed”
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Circularly Polarized Microstrip Fed Antenna for Dual Frequency
Abstract: Abstract: The presented antenna is designed for achieving dual frequency characterized circularly polarized behavior. The achievement of dual frequency is done by coupling of the microstrip feed line arrangement with the annular slot shaped with four unequal arms type of slot structure on the patch. The Reflection coefficient, pattern of radiation of the antenna and the Axial ratio are simulated. The impedance bandwidths obtained for lower of (RHCP) is 25% …
Published in Journal of Microwave Engineering and Technologies · Vol. 6, Issue 1, 2019 · pp. 1–5 Read article
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Design of a Multiband Antenna with Rectangular and Circular Slots for 5G Mobile Technology
Abstract: AbstractThis paper presents a microstrip patch antenna for 5G mobile communication. Requests for mobile communication arise because of rapid growth in mobile users. So, users need more features like high data rate, good communication and reduced traffic on their mobile phones. These requirements can be met using 5G technology. 5G technology offers very high bandwidth, reduced latency, broadband spectrum, improved QoS and a better capacity. 5G operates from 24 GHz …
Published in Journal of Microwave Engineering and Technologies · Vol. 7, Issue 2, 2020 · pp. 30–34 Read article
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An Extended Semi-circular Microstrip Patch Antenna with DGS for UWB Applications
Abstract: This paper presents the design of a semicircular patch with an extended length for UWB applications. The proposed antenna is fabricated on FR4 substrate with relative permittivity of =4.4 and dimensions of 29.5x38x1.57 . The feed used in proposed design is 50 Ω microstrip feed line. The partial ground structure with a T-shaped slot and dual right angled isosceles triangular notches of side 3 mm each has been introduced to …
Published in Journal of Microwave Engineering and Technologies · Vol. 4, Issue 1, 2017 · pp. 13–18 Read article
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Rectangular Patch Monopole Antenna with Different Shaped Multiple Slots for Triple Band Frequency Applications
Abstract: In this paper a rectangular patch microstrip antenna with different shaped multiple slots behaves as a triple band monopole antenna. It is designed for 0.96031–1.0464, 1.3766–1.5797 and 2.1629–2.3708 GHz frequency bands. A rectangular patch monopole antenna with multiple slots, i.e., hexagonal slot and rectangular slot is fabricated on the glass epoxy (FR4 lossy) of dielectric substrate with relative permittivity (εr) of 4.4, thickness of 1.6 mm, loss tangent of 0.02 …
Published in Journal of Microwave Engineering and Technologies · Vol. 1, Issue 2, 2014 · pp. 17–24 Read article
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A Dipole Circular Patch Antenna for Operation in the X-Band
Abstract: This microwave engineering research paper proposes, designs, calculates, and simulates a novel dipole circular patch antenna for theoretical wideband operations in the X-band (the 8 GHz to 12 GHz frequency range). This proposed microstrip patch antenna was realized using FR-4 as a dielectric (a thickness of 1.5 mm) with copper being used in both the ground plate and the two transmitting circular elements (the so-called patches with a thickness of …
Published in Journal of Microwave Engineering and Technologies · Vol. 8, Issue 2, 2021 · pp. 1–8 Read article
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A Compact CPW-fed Quadruple-band-notched Antenna with Concentric Annular-rings for UWB Applications
Abstract: In this paper, a compact coplanar waveguide (CPW)-fed quadruple-band-notched antenna with concentric annular-rings for ultra-wideband (UWB) applications is presented. The proposed antenna consists of four concentric annular-ring resonators, a circular shape radiating element and a CPW feed line. The quadruple band rejection is easily achieved by controlling the widths and radii of four concentric annular-ring resonators. Through the exception of four stop-bands at 3.29 to 3.7 GHz, 5.07 to 5.92 …
Published in Journal of Microwave Engineering and Technologies · Vol. 10, Issue 2, 2023 · pp. 38–47 Read article
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Designing of Ultra Wide Band Microstrip Antenna using Triple Slotted Patch and DGS
Abstract: AbstractIn this paper, an antenna is designing for Ultra Wide band that is 32.86 GHz is achieved which is very large bandwidth covering maximum application of wireless network. Initially a normal rectangular microstrip patch antenna with microstrip transmission line feed is designed. By using parallel slots in MSL feeding technique very wide bandwidth is achieved than simple design without parallel slots. Maximum impedance matching and good VSWR is achieved in …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 5, Issue 3, 2018 · pp. 12–19 Read article
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A Neural Network Approach to Study the Bandwidth of C-Shaped Microstrip Antenna
Abstract: This paper presents the use of artificial neural network for the estimation of frequency band and bandwidth of a line feed C-Shaped Microstrip patch antenna. The results obtained by using ANNs are compared with IE3D simulation and found quite satisfactory. The designed antenna operates in the frequency range (1.735 to 1.945 GHz). The antenna is designed using glass epoxy between the ground plane and patch and simulated on the Zeland …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 2, Issue 3, 2015 · pp. 24–30 Read article
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An Ultra Wideband Hexagonal Patch Antenna with Enhanced Bandwidth
Abstract: A microstrip line feed Ultra-Wideband (UWB - 3.1 to 10.6 GHz) hexagonal patch antenna with enhanced bandwidth was presented in this article. The enhancement of bandwidth (BW) is achieved by defecting the partial ground structure. The antenna is designed by FR-4 substrate with εr(dielectric constant) = 4.3 & Tan δ (loss tangent) = 0.025.Initially, a conventional hexagonal patch with a partial ground plane produces a – 10 dB bandwidth of …
Published in Recent Trends in Electronics Communication Systems · Vol. 9, Issue 1, 2022 · pp. 11–20 Read article
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Effect of Notching on the Return loss of T-shaped Microstrip Patch Antenna for Wireless Communication System
Abstract: AbstractWith the loading of a pair of notches, a T-shaped slot and a pair of rectangular slots, novel bandwidth enhancement of microstrip antenna is demonstrated. The design is fed through a single coaxial probe. The proposed antenna is a modification of a simple T-shaped antenna which provides good radiating characteristics with enhanced bandwidth. The proposed antenna covers the S band and is used for many wireless applications. The proposed antenna …
Published in Trends in Opto-electro & Optical Communication · Vol. 7, Issue 2, 2017 · pp. 7–11 Read article
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Compact Circular Slotted Microstrip Antenna for Wireless Communication Systems
Abstract: In this paper, compact broadband microstrip patch antenna with circular slot has beendesigned for various wireless applications suitable in the ranges ofDCS1800/PCS1900/UMTS2100. The designed antenna has been printed on dielectricsubstrate glass epoxy. The Zeland IE3D software is used for the simulation. The return lossbandwidth is of 89.07% covering the frequency range of 1.02 to 2.65 GHz. The experimentalresults are in good agreement with the simulated results and have maximum radiationefficiency …
Published in Journal of Microwave Engineering and Technologies · Vol. 2, Issue 1, 2015 · pp. 9–13 Read article
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Signaling Techniques in Telecommunication Network
Abstract: The importance of wearable products such as wearable textile antenna is increasing day by day because of the recent miniaturization of wireless devices. In the last few years it has received a vast amount of attention due to utilization in smart clothing and future consumer-centric communication technologies. The main challenges for designing textile antennas are low weight, low profile and low cost. The fabrication technique and the use of materials …
Published in Recent Trends in Electronics Communication Systems · Vol. 3, Issue 1, 2016 · pp. 48–55 Read article
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Design and Performance Analysis of Different UWB Modified Circular and Ring-shaped Microstrip Patch Antennas
Abstract: The importance of wearable products such as wearable textile antenna is increasing day by day because of the recent miniaturization of wireless devices. In the last few years it has received a vast amount of attention due to utilization in smart clothing and future consumer-centric communication technologies. The main challenges for designing textile antennas are low weight, low profile and low cost. The fabrication technique and the use of materials …
Published in Recent Trends in Electronics Communication Systems · Vol. 3, Issue 1, 2016 · pp. 9–28 Read article
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Design of Low Noise Transimpedance Amplifier using Multiple Feedback filter Topology
Abstract: This study presents the highly linear and low noise transimpedance amplifier (TIA) based on CMOS inverter as an amplifier within multiple feedback (MPFB) filter topology. Absence of complex analog circuitry and compatibility with widespread digital CMOS processes highlight this TIA topology asthe best choice in signal conditioning chains approaching analog-to-digital converters (ADCs). Special attention has been given to the TIA stability and compensation networks. Using dedicated low-dropout (LDO) regulator, the …
Published in Journal of Electronic Design Technology · Vol. 13, Issue 1, 2022 · pp. 25–30 Read article
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Reduction of Harmonics for Isolated Diesel Generation System with DSTATCOM Using Fuzzy
Abstract: This paper presents the compensation of reactive power, harmonics, and unbalanced load current of diesel generator set for an isolated system by controlling voltage source convertor (VSC) which is working as distribution static synchronous compensator (DSTATCOM). Here least mean square based adaptive linear element (ADALINE) is use to extract balanced positive sequence real fundamental frequency component of the load current for converter and used to control DSTATCOM. For fast dynamic …
Published in Journal of Automobile Engineering and Applications · Vol. 2, Issue 3, 2015 · pp. 12–22 Read article
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Design of Linear Quadratic Optimal Regulator for Nanopositioning System
Abstract: One of the most important requirement of nanotechnology is precision control and manipulation of devices and materials at nanoscale i.e., nanopositioning. In this paper, open loop characteristics of the non minimum phase nanopositioning system such as poles and zeros location, controllability, observability are investigated. To improve the system characteristics feedback controllers are used. The key of the controller is to design a system with good time response characteristics as well …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 2, Issue 2, 2012 · pp. 12–27 Read article
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Recognition of Unconstrained Handwritten Digits Using Feedforward MLP and Projection Profile
Abstract: AbstractThis paper presents a new approach to off-line handwritten numeral recognition using feedforward MLP and projection profile. Different writers have variations in their handwriting since each writer possesses own writing speed, own styles, sizes or positions for numeral or text. Recognition of handwritten numerals poses serious problems because of high variability in numeral shapes written by individuals. The performance of character recognition system depends heavily on what kind of features …
Published in Journal of Communication Engineering & Systems · Vol. 5, Issue 2, 2015 · pp. 15–20 Read article
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Smart Crop Recommendation Using IoT Sensor for Precision Agriculture
Abstract: This study addresses precision agriculture, which leverages modern technologies to enhance farming efficiency and sustainability. This study proposes a Smart Crop Recommendation System using IoT sensors to optimize crop selection based on real-time environmental conditions. The system integrates multiple sensors, including a temperature sensor, flame sensor, soil sensor, moisture sensor, and LDR sensor, to monitor crucial parameters such as temperature, soil moisture, light intensity, and fire hazards. An Arduino microcontroller …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 13, Issue 3, 2025 · pp. 29–41 Read article
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Underground Cable Fault Detector and Locator Using Arduino
Abstract: AbstractIn urban areas, electrical cables run underground instead of running over, because it does not get affected by any adverse effect of weather such as storm, snow, ice, heavy rainfall as well as pollution. While a fault occurs within the underground cable, it is difficult to detect the exact location of the fault for the repair process of the particular cable. This system can find the point of the exact …
Published in Journal of Multimedia Technology & Recent Advancements · Vol. 6, Issue 1, 2019 · pp. 19–27 Read article
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Model Reference Adaptive Controller for Non-Linear Processes
Abstract: This paper presents the application of adaptive controller for three different non-linear processes and analysing the effect of the controller for three systems which are having different levels of non-linearities. The controller chosen is a direct model reference adaptive controller (DMRAC) for adjusting the feed forward gain using MIT rule. The non-linear systems considered are cylindrical tank, conical tank and spherical tank. The model reference adaptive controller is designed and …
Published in Journal of Control & Instrumentation · Vol. 3, Issue 1-3, 2012 · pp. 58–65 Read article