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153 articles for “Ku-band”
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Design and Simulation of Triple Band Microstrip Patch Antenna for Ku-band, K-band and Ka-band Applications
Abstract: AbstractThis paper represents a microstrip patch antenna for future 5G-communication technology. The proposed antenna designs are simulated and their performances are analyzed for different parameters like lower return losses, higher gain, voltage standing wave ratio (VSWR), current distribution, far field radiation and wide bandwidth performance for the tri-frequency band operation in Ku band (12–18 GHz),K-band (18–27 GHz) and Ka-band (27–40 GHz) as per the specified IEEE standard. The proposed antenna …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 7, Issue 1, 2020 · pp. 26–33 Read article
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A Compact Umbrella Shaped Patch Antenna using DGS for Dual/Triple/Quad Band Applications
Abstract: In this paper, a compact Umbrella shaped microstrip patch antenna for Quad band applications specially for X band, Ku band and K band applications is presented. The antenna is simulated using the Ansys soft HFSS simulator. The size of the antenna is 25 mm×25 mm ×1 mm and printed on an FR4 substrate. Defected ground structure in the form of concentric circular rings is used to increase the bandwidth of …
Published in Journal of Microwave Engineering and Technologies · Vol. 2, Issue 3, 2015 · pp. 36–44 Read article
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Synthesis, Characterization, and Reactivity of Bivalent Tin(II) with 4-Tert-butylphenol
Abstract: Bivalent tin(II)-4-tert. butylphenoxide of composition Sn(OC6H4X-4)2(I), where X = But, has been synthesized by the reaction of stannous chloride (SnCl2) with bimolar amounts of 4-tert. butyl phenol (HOC6H4But-4) in the presence of the base, diethyl amine, in tetrahydrofuran (THF) solvent. The resulting complex was characterized by elemental analysis, molecular weight determination, molar conductance measurement, IR, and 1H NMR spectral studies. The reactivity of the newly synthesized complex (I) with HgCl2 …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 2, Issue 1, 2024 · pp. 14–19 Read article
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Synthesis and Spectral Characterization of Complexes Tin(II) With 4-Nitrophenol
Abstract: Tin(II)4-nitrophenoxide complexes with the formulas SnCl(OC₆H₄NO₂-4) and Sn(OC₆H₄NO₂-4)₂ were prepared through the reaction of stannous chloride (SnCl₂) with 4-nitrophenol (HOC₆H₄NO₂-4) in 1:1 and 1:2 molar ratios, respectively. The reaction was performed in tetrahydrofuran (THF) with diethylamine serving as the base. The resulting compounds were characterized through elemental analysis, determination of molecular weight, molar conductance measurements, and spectroscopic methods including IR and ¹H NMR spectroscopy. Current investigations are directed toward assessing …
Published in International Journal of Advance in Molecular Engineering · Vol. 4, Issue 1, 2026 · pp. 22–26 Read article
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Critical Analysis Of Brahmacharya In The Context Of Yoga For Spiritual Upliftment: A Perspective Review
Abstract: INTRODUCTION Brahmacharya, often translated as celibacy or sexual abstinence, is one of the fundamental tenets in traditional yogic philosophy. In the context of Yoga for spiritual upliftment, this review critically analyzes the concept of brahmacharya. It delves into various interpretations and practices associated with brahmacharya, acknowledging that it extends beyond mere sexual abstinence to encompass the control and moderation of all senses and desires. It also discusses the modern-day interpretations …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 12, Issue 3, 2023 · pp. 1–5 Read article
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Theoretical and Experimental Investigation of Non-linear Vibration Response of an IPMC Actuator Subjected to Alternating Electric Potentialf
Abstract: The precise predication of stable and unstable zone for an applied excitation voltage and frequency is of importance in many micromechanical systems utilizing ionic polymer metal composite (IPMC) as the actuator. A linear dynamic model thus will no longer be valid for IPMC actuator having low thickness and thus more flexible. In this article, non-linear vibration characteristics of a silver (Ag) based IPMC actuator is studied under alternating electric potential …
Published in Journal of Mechatronics and Automation · Vol. 1, Issue 1, 2014 · pp. 11–26 Read article
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The Design and Analysis of a High Bandwidth Patch Antenna Loaded with Double-L shaped Parasitic and Super-Strate Components
Abstract: A patch antenna having parasitic components in the shape of a double-L. It is shown how to make a directional slot antenna using a parasitic patch and a windowed superstrate. The recommended antenna may readily obtain high-gain properties due to its composition. The suggested antenna's impedance bandwidth has been measured. Internet of Things (IoT) apps to make their data more accessible, wireless communication technology integration is required. This work proposes …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 10, Issue 2, 2023 · pp. 1–13 Read article
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Design and Analysis of Multi Band Patch with Enhanced Bandwidth
Abstract: In this article, a novel lower edge defected multi-band patch with modified ground structure (or Defected Ground Structure-DGS) with enhanced bandwidth has been presented. The bandwidth can be enhanced by defecting the partial ground and by arc truncation of lower edges of the patch. The antenna was converted into multi-band by defecting the lower corners. The antenna is resonating at multiple bands i.e. 3.7 GHz, 7.87 (~7.9) GHz, 12.19 (~12.2) …
Published in Journal of Microwave Engineering and Technologies · Vol. 7, Issue 3, 2020 · pp. 1–8 Read article
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Fitness and Aesthetics Hostel Gym Management
Abstract: Fitness & Aesthetics’ mission is to help people achieve their fitness objectives by offering training regimens and healthy living plans, as well as assistance with managing a club. By automating the current manual method with the use of digitized equipment and comprehensive computer software, it will provide the information of the Trainer, Gym, Facility, Workout Routines, and Time Slot and proceed into the administrative position, satisfying their requirements, in order …
Published in International Journal of Computer Science Languages · Vol. 1, Issue 1, 2023 · pp. 21–27 Read article
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Plus Slotted Circular Patch Antenna for WiMax/WLAN Applications
Abstract: A wideband compact circular patch microstrip antenna is presented for various wireless systems such as WLAN and WiMax applications. The proposed antenna has been fabricated and the return loss bandwidth is measured. The simulated and measured antenna such as return loss, bandwidth and gain are presented. The Experimental result shows that the proposed antenna presents a bandwidth of 78.81% with the maximum gain of 6.2 dBi.
Published in Journal of Microwave Engineering and Technologies · Vol. 1, Issue 3, 2014 · pp. 38–43 Read article
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Investigation of Square Monopole Antenna with Slotted Patch
Abstract: A novel antenna with slotted patch for L-Band applications is presented in this paper. The proposed antenna consists of a square patch with rectangular slot. By slotting of the patch the antenna shows enhancement of gain in allocated band. A rectangular slot in the patch and partial ground plane is used in this antenna to enhance return loss and bandwidth. The simulated results have shown that the designed antenna receives …
Published in Journal of Microwave Engineering and Technologies · Vol. 1, Issue 3, 2014 · pp. 21–25 Read article
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Bandwidth and Return Loss Enhancement in Patch Antenna by Meta Material using at 2.62 GHz
Abstract: In this work, a rectangular micro strip patch antenna (RMPA) loaded with “Symmetric square Shapes Four Segments with circular rings structure” metamaterial structure is designed at a height 3.2 mm from ground plane by using CST-MWS software. The resonance frequency of the designed antenna is 2.62 GHz. The 10 dB impedance bandwidth of proposed antenna is increased up to 78.3 MHz. The return loss of the proposed antenna reduced to …
Published in Journal of Microwave Engineering and Technologies · Vol. 1, Issue 3, 2014 · pp. 33–37 Read article
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Determinants of Current Smoking Behaviour among Third Year Nursing Students in India: Results from Global Health Professional Student Survey (India)
Abstract: Health professionals serve as role models to their patients and public at large. Smoking among health professional would have negative impact on community members. Global Health Professional Student Survey (GHPSS) indicates health professional students including nursing students do smoke. But the factors affecting smoking behaviour are yet to be explored. This study examined GHPSS (2007) to identify factors encouraging smoking among nursing students. Results suggest that male gender, higher age, …
Published in Journal of Nursing Science & Practice · Vol. 2, Issue 1, 2012 · pp. 36–41 Read article
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Open-Loop Resonator with Interdigital Capacitor Bandpass Filter For Wireless Application
Abstract: In this paper bandpass filter have been designed and simulate using two open loop resonator with polygonal forms and to enlarge the bandwidth by using interdigital capacitor in between two open loop resonators. The overall filter dimensions are 8 x 16 mm² using Rogers Ro 3010 with thickness of 1.5 mm and relative permittivity 10.2 The centre frequency of 2.45 GHz and -3dB fractional bandwidth (FBW) of 12.3% with return …
Published in Recent Trends in Electronics Communication Systems · Vol. 6, Issue 2, 2019 · pp. 22–25 Read article
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Two Parabolic Shape Microstrip Patch Antenna for Single Band Application
Abstract: AbstractIn this article, a two parabolic shape Microstrip textile antenna has been simulated under CST Software using bending material i.e. Jeans. The dielectric constant of Jeans material is 1.7. For antenna to be wearable, Jeans substrate is used. The return loss of Two Parabolic shaped patch antenna is –43 dB at 7.618 GHz resonant frequency. It covers the bandwidth from 5.386 to 8.971 GHz. In this paper, simulated results like …
Published in Journal of Microwave Engineering and Technologies · Vol. 5, Issue 1, 2018 · pp. 33–36 Read article
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Split Ring Resonator Based Dual Frequency Microstrip Patch Antenna For Wireless Applications
Abstract: The objective of the work is to design a compact dual frequency microstrip antenna (MSA) at GSM 1800 MHz and ISM (2.4 GHz). The proposed MSA incorporates a rectangular patch with an inverted U slot printed on the top of RT duroid 5880 substrate with thickness of 0.8mm and dielectric constant of 2.2. The dimensions of the patch are optimized as 45x 54 mm2. It is fed by coaxial feeding. …
Published in Journal of Microwave Engineering and Technologies · Vol. 9, Issue 2, 2022 · pp. 1–14 Read article
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Advanced 4-Element UWB-MIMO Antenna Design: Achieving High Isolation and Multi-Band Rejection for Advanced Wireless Applications
Abstract: In this study, we present the design, fabrication, and analysis of a step-by-step Ultra-Wideband (UWB) Multi-Input Multi-Output (MIMO) antenna operating from 3 to 14 GHz. The antenna consists of four elements, each characterized by high isolation and equipped with four band-rejection features. These elements are implemented on a Rogers substrate with εr=3. Each antenna element is a modified rectangular patch, incorporating partial ground etching to achieve wider bandwidth. Two sets …
Published in Journal of Communication Engineering & Systems · Vol. 15, Issue 1, 2025 · pp. 40–62 Read article
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Thermo-Mechanical and Electrical Properties of Multi-Walled Carbon Nanotube-Enhanced Polyimide Composites for Aerospace Thermal Protection Systems
Abstract: Advanced aerospace thermal protection systems (TPS) require multifunctional materials that simultaneously provide high thermal stability, mechanical strength, and reliable electrical performance. Polyimide (PI) is widely used in aerospace structures due to its lightweight design and exceptional thermal durability, yet its low thermal conductivity and insulating behavior limit its effectiveness in heat dissipation and electromagnetic interference (EMI) shielding applications. This study addresses these limitations by developing multi-walled carbon nanotube (MWCNT)-reinforced polyimide …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 966–982 Read article
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Design of a Stacked Aperture Coupled Microstrip Antenna for UWB Applications
Abstract: The paper presents a stacked T-shaped Aperture coupled microstrip antenna designed for ultra-wide band wireless applications. The proposed UWB antenna covers two frequency bands as of 2.49 to 2.9 GHz and 6.85 to 20 GHz and used for the various applications like Bluetooth, Zig-Bee (2.4 GHz), C band (6 to 8 GHz), X band (8 to 12 GHz), Ku band (12 to 18 GHz) and Satellite communication. The stacked antenna …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 4, Issue 1, 2017 · pp. 12–16 Read article
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Determinants of Current Smoking Behaviour among Third Year Nursing Students in India: Results from Global Health Professional Student Survey (India)
Abstract: Health professionals serve as role models to their patients and public at large. Smoking among health professional would have negative impact on community members. Global Health Professional Student Survey (GHPSS) indicates health professional students including nursing students do smoke. But the factors affecting smoking behaviour are yet to be explored. This study examined GHPSS (2007) to identify factors encouraging smoking among nursing students. Results suggest that male gender, higher age, …
Published in Journal of Nursing Science & Practice · Vol. 2, Issue 1-3, 2012 · pp. 36–41 Read article