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This paper demonstrates a polyimide based optical rectangular patch antenna capable of operating at THz frequencies. The proposed antenna’s performance has been analysed in terms of various antenna characteristics such as impedance bandwidth (GHz), directivity (dBi), gain (dB), return loss (dB) and VSWR. The Polyimide substrate having thickness of 20μm and lower dielectric constant, εr of 3.5 has...
In this paper, a rectangular shaped Terahertz (THz) microstrip patch antenna with a slotted ground has been proposed. The Flame Retardant (FR-4) having a dielectric constant (∊r) of 4.4. The copper having a resistivity of 1.68 × 10−8 Ωm has been employed in the designing of the proposed antenna. A slot of rectangular shape has been made in the ground for enhancing the various antenna parameters. The...
The proposed paper presents two I-shaped substrate slotted flexible microstrip patch antennas with reduced ground for radiolocation and military applications. The proposed antennas employ cellulose acetate having dielectric constant (∊r) of 4.2 as the substrate. The copper having conductivity of 5.95 × 108 Siemens m−1 has been used for designing of patch and ground. The substrate, patch slot and ground...
This paper proposes terahertz antenna for the detection of Biotin. The propounded antenna has been designed using FR-4 (Flame Retardant-4) substrate having thickness 1.62μm and dielectric constant, ∊r is 4.4. The ground and radiating patch are made of copper having thickness 0.1μm and conductivity 5.57×107 Siemens/m. The feedline of width 5.8μm has been used to match the impedance of proposed antenna...
This paper proposes rectangular shaped terahertz microstrip patch antenna employing FR4 substrate for biomedical applications. The antenna has been devised using FR4 (Flame Retardent-4) substrate having dielectric constant ∊r=4.4 and loss tangent tan δ=0.02 whereas copper of conductivity 5.96 × 107 Siemens/m has been employed as patch as well as ground. Microstrip feeding technique has been used to...
The paper represents Terahertz microstrip antenna employing FR4 material as a substrate with permittivity of 4.4 and thickness of 1.62 μm. The slotted substrate and stacked ground plane has been used in antenna design. The ground, patch and feedline are made up of copper. The proposed terahertz microstrip patch antenna has an impedance bandwidth of 0.077 THz with resonant frequency of 4.11THz, thus...
In this paper, a solar energy driven wearable autonomous smart cap for pedestrian safety has been proposed. A flexible solar panel capable of providing 10.2V and 120mA has been used as means of powering up wearable smart cap. The objective is to introduce cost-effective, autonomous and user-friendly device for avoiding pedestrian accidents on roads due to the use of mobile phones as the usage of mobile...
This paper demonstrates the design and analysis of Microstrip patch antenna design employing Mylar as substrate material, having thickness of 0.1 mm and dielectric constant (ετ) of 3.4. The patch and ground are made up of Copper material and substrate of thickness 0.5mm has been stacked below the ground to improve the antenna parameters such as return loss, directivity and bandwidth. The ground has...
The smart fire management requires significant surveillance systems to detect and control the fire and fire causing agents automatically. This requirement has been accomplished in this proposed system by employing fire detection system and fire controlling system using Raspberry pi. The fire detection system entails flame detectors along with temperature sensors which reduces the false fire detection...
In this paper, a slotted rook shaped novel wide band microstrip patch antenna suitable to be employed for C-Band satellite downlink, Radio Altimeter, IMT, WiMAX applications has been proposed. The proposed antenna is resonant at 4.3 GHz with an impedance bandwidth of 1.419 GHz (3.181 GHz to 4.6 GHz) and a return loss of −53.94dB. The Teflon is used as substrate for designing the proposed antenna having...
The paper emphasizes on the design and performance analysis of high directivity FR4 substrate slotted defected ground microstrip patch antenna for X-Band applications. The antenna has been fed by microstrip feedline via impedance transformer to match the impedance of proposed antenna with the 50Ω impedance of co-axial connector used for feeding power to the antenna. The propounded antenna has been...
In this paper, an autonomous Compact Inert Cell Extracted Urine Powered Cell (ICE-UPC) for harvesting energy from exhausted cells has been proposed. In the proposed system, ICE-UPC consists of 6 Inert (dead) cells connected in series and the energy from the ICE-UPC is obtained by employing a suitable electrode combination of C-Zn. The ICE-UPC comprises of 120 grams of manganese (extracted from dead...
This paper proposed a rectangular microstrip patch antenna employing textile substrate material suitable for satellite downlink applications has been demonstrated and analyzed. The paper presents a compact and low profile microstrip fed textile patch antenna employing rectangular patch as a radiating element and Denim as substrate with relative permittivity (dielectric constant) εr= 1.6 and dimensions...
This paper emphasizes on the design, analysis, fabrication and testing of honeycomb shaped ground slotted microstrip patch antenna suitable to be employed for Ku-Band Broadcasting Fixed Satellite, Mobile Satellite and Downlink Frequency applications. The proposed antenna has been designed and fabricated using flame retardant-4 (FR-4) as substrate having dielectric constant (εr) of 4.4. A flame retardant-4...
The motive behind this research is to design, implement and analyze the flexible FR-4 (Flame Retardant 4) based novel wide band microstrip patch antenna operating at resonant frequency of 790 MHz for buried landmines detection applications. The proposed microstrip patch antenna has been designed using flexible FR-4 having dielectric constant (Єr) of 4.4 and thickness of 1.5mm with slotted patch on...
In this paper, the Dead Cell Extracted-Urine Powered Battery (DCE-UPB) Energy Harvesting system has been proposed. In DCE-UPB, energy is extracted by utilising trash primary cell and human liquid waste-urine. The DCE-UPB design consists of series-parallel combination of dead cell extracted- urine power single chambers. The single chamber cell consists of manganese as substrate along with the urine...
This paper propounds a flexible microstrip patch antenna design using flexible FR4 as substrate has been proposed. The antenna design employs a step notched copper patch of thickness 0.017mm on the top of dielectric substrate FR4 of thickness 1.57mm and reduced copper ground plane of thickness 0.05mm on the other side of the substrate. The proposed flexible patch antenna is capable of operating in...
Few hundred species of mosquitoes cause disease like malaria, dengue etc. In order to eradicate these malaises, people have resorted to many remedies like chemical repellents which causes nervous breakdown, increase blood pressure and also ravage crops in the fields. In order to overcome these plight, solar energy driven autonomous smart ultrasonic mosquito repeller system has been proposed. The proposed...
This paper exhibits the aptness of flexible Teflon material having dielectric constant £r=2.1 to be employed as substrate in the Microstrip patch antenna design. This paper presents two flexible Teflon substrates of thickness 0.5 mm and 1 mm, respectively. The antenna designs employ a Trident shaped copper patch on the top surface of dielectric Teflon substrate and a defected ground plane on the other...
This paper emphasizes on the design and performance analysis of dual resonant air gap antenna design. The proposed antenna has been designed using Flame Retardant 4 (ΓΚ4) substrate of dielectric constant, εr=4.4 sandwiched between copper patch and ground plane. The design o f antenna has been made to ensure the compact size of the designed antenna and operating bandwidth of 1.007 GHz (7.281 GHz-8...
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