All articles
126 articles
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Design Technique of FIR Digital Filter Using Various Window Function
Abstract: This paper presents a design approach of finite impulse response (FIR) digital low pass, high pass, band pass and stop band filter using window method. In this work FDA tool has been used for design of FIR digital filter with hamming, hanning and Kaiser window function because better frequency response has been achieved by these window for design of all digital FIR filter but specially for band pass and stop …
Published in International Journal of Microwave Engineering and Technology · Vol. 3, Issue 1, 2017 · pp. 23–28 Read article
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TRANSMISSION PARAMETERS OF TWO PORT CIRCUITS USING SPICE SIMULATION
Abstract: Models for linear two port analysis are given. The ABCD parameter determination using SPICE2/Pspice is carried out. While the first procedure and files are for the calculation of ABCD parameters where the circuit is purely resistive and dependent sources, the second is for general two port network using linear elements and small signal models of active devices. In the second method the frequency description of analog behavioral modeling options of …
Published in International Journal of Microwave Engineering and Technology · Vol. 3, Issue 1, 2017 · pp. 11–17 Read article
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DESIGN OF HIGH PERFORMANCE WIDE BAND COMPACT BRANCH LINE COUPLER USING PCB TECHNOLOGY
Abstract: This paper comprises designing of a wide band Branch Line Coupler by using PCB technology. The size is greatly reduced by using only patch on substrate without ground. The proposed designed coupler is working for 0-3 GHz frequency. The main concern of this paper to design and fabricate a compact branch line coupler with high performance and measured values well matched with simulation. The simulation can be achieved by using …
Published in International Journal of Microwave Engineering and Technology · Vol. 3, Issue 1, 2017 · pp. 6–10 Read article
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Compact Slot Multiband Antenna With Modified Ground Plane For Wireless Applications
Abstract: A miniaturized microstrip-fed multiband antenna is presented. Slots inside the rectangular patch with a modified ground plane are utilized to generate multiple frequency bands. The proposed antenna has a substrate size of 30*30 mm2, fed by a 50 Ω microstrip feed line and covers four frequency bands with resonant frequencies 2.5 GHz, 3.3 GHz, 5.3 GHz and 5.8 GHz respectively. Various parametric studies allowed and the results in terms of …
Published in International Journal of Microwave Engineering and Technology · Vol. 3, Issue 1, 2017 · pp. 1–5 Read article
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Reduced the size of RectangularMicrostrip patch Antenna by Using Double Sided Metamaterial
Abstract: This paper, present the design of double sided metamaterial which reduces the size of Rectangular Microstrip patch antenna. First of all, design the Rectangular Microstrip patch antenna(RMPA) then simulate it with and without metameterial. Without Metamaterial, Rectangular Microstrip patch antenna, is resonate at 5.54 Ghz and its gain is 1.79db , directivity is 4.81dBi and its total efficiency is 30% and with Metamaterial RMPA is resonate at frequency is 2.24 …
Published in International Journal of Microwave Engineering and Technology · Vol. 2, Issue 2, 2016 · pp. 28–34 Read article
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A Partial Defected Ground Microstrip Array Antenna for Energy Harvesting at GSM Band with enhanced Bandwidth and Gain
Abstract: An array of 2×1 microstrip patch antenna array is designed having a defected ground partial ground plane. This array covers the entire GSM band defined by IEEE standards i.e. 890-960 MHz. It is a Wide Band microstrip patch array with enhanced gain and directivity compared to conventional single microstrip patch antenna. Partial ground plane increases the bandwidth of the antenna, thus by creating a partial ground plane of right dimension …
Published in International Journal of Microwave Engineering and Technology · Vol. 2, Issue 2, 2016 · pp. 12–17 Read article
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Efficient Tracking of Mobile Objects in Wireless Sensor Network Using BFOA
Abstract: Wireless Sensor Network has the probability to interface the physical world with the virtual world by framing a system of sensor hubs. Energy effective object tracking is one of the fundamental plan issues for wireless sensor systems. Vitality proficiency is required as the entire WSN is reliant on the force of batteries and the object tracking is required for checking the shifting rate of target, target exactness and missing target …
Published in International Journal of Microwave Engineering and Technology · Vol. 2, Issue 2, 2016 · pp. 22–27 Read article
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A Next Generation Wireless Power Transmission- A Review
Abstract: Presently, we display the idea of transmitting force without utilizing wires i.e., transmitting power as Beneficial too require based cutting edge control transmission system. Wireless power transmission Transfer the power starting with one place then onto the next is to diminish the transmission and circulation misfortunes. We likewise have talked about the innovative improvements in Wireless Power Transmission (WPT). The favorable circumstances, weaknesses, natural effects and uses of WPT are …
Published in International Journal of Microwave Engineering and Technology · Vol. 2, Issue 2, 2016 · pp. 7–11 Read article
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A Review Paper on Smart Antenna
Abstract: In the recent years, progression in media transmission innovations and the expanding interest of information rate has propelled the upgraded utilization of frequency range. One procedure for the proficient use of recurrence is Smart Antenna system. They give a keen answer for the issue of correspondence movement over-burden i.e. they increment the activity limit. Smart Antenna advancements will change the financial matters of 3G radio systems. They give either a …
Published in International Journal of Microwave Engineering and Technology · Vol. 2, Issue 2, 2016 · pp. 18–21 Read article
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Simulation of Pyramidal Structures Of Coco Peat and Coconut Shell Activated Carbon as Radar Absorbing Material
Abstract: Shape is the main parameters that affect the performance of the pyramidal microwave absorber. The pyramidal shape is mostly installed in the anechoic chamber. But the shapes of these pyramidal structures are very large. The aim is to design a structure of pyramidal absorber with different materials and with low height to achieve maximum absorption. In this paper, we have investigated the different structures of the pyramidal absorber and simulate …
Published in International Journal of Microwave Engineering and Technology · Vol. 2, Issue 2, 2016 · pp. 1–6 Read article
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Design A Kaiser Window Based Digital Filter by Using GRNN
Abstract: In this paper, we have designed the digital filter based on Kaiser Window function using ANN. Firstly we have designed the 10th order digital filter based on Kaiser Window function then calculate the coefficient of designed filter. Similarly this process is repeated for the 15th and 20th order. We have normalized the frequency and designed filter at frequency ranges 0.05 to 0.95 Hz. Then we calculated the coefficients of filter …
Published in International Journal of Microwave Engineering and Technology · Vol. 2, Issue 1, 2016 · pp. 39–44 Read article
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Observations On Performance And Challenges Of Implantable Antennas In Biotelemetry Application
Abstract: People are moving in a very fast developing environment to achieve new technology for medical purpose. Latest development in the field of implantable medical device gives hope in the field of biotelemetry hence Implantable antennas are in great demand. In this paper, the main focus is on the performance of Implantable antenna and the challenges as miniaturization, patient safety, compatibility and many more. The return loss and the radiation pattern …
Published in International Journal of Microwave Engineering and Technology · Vol. 2, Issue 1, 2016 · pp. 26–30 Read article
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Broadbanding of Circular Patch Antenna Using Stub Loaded Stacked Configuration
Abstract: This paper proposes a stub loaded stacked configuration of a circular patch antenna using FR-4 material as a substrate with dielectric constant of 4.2 for resonant frequency of 2 GHz. This configuration is a hybrid of two broadbanding technique, the stub loading technique and stacking technique. The radius of the patch is calculated to be 18.88 mm and the air gap is 1 mm between the lower and upper layer. …
Published in International Journal of Microwave Engineering and Technology · Vol. 2, Issue 1, 2016 · pp. 20–25 Read article
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Rectangular Microstrip Antenna Design and Analysis for Exposure System at 900 MHz with Different Feeding Mechanism
Abstract: Microstrip antennas widely used in defence applications, in aircrafts and in applications where narrow bandwidth is required. In this work an antenna is designed with 3 different feeding mechanisms. The feeding mechanism is used to provide the path for the flow of current from the source. The three different feeds are Line feed, Quarter wave transformer feed and Inset feed. The rectangular microstrip patch antenna designed at 900 MHz and …
Published in International Journal of Microwave Engineering and Technology · Vol. 2, Issue 1, 2016 · pp. 7–19 Read article
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A Simple Method for Estimation of Surface Transfer Impedance of Coaxial Cables as Per MIL STD 1377 for EMC Qualification
Abstract: In recent years, electromagnetic compatibility (EMC) problems associated with high frequency and high speed inter connects are becoming of increasing concern. Coaxial cables are a popular form of inter connect between intra- and intersystems and subsystems. Transfer impedance is a measure for assessing the shielding effectiveness of outer shield of a coaxial cable. In this paper, we proposed an easy and inexpensive method for estimating the surface transfer impedance (STI) …
Published in International Journal of Microwave Engineering and Technology · Vol. 2, Issue 1, 2016 · pp. 31–38 Read article
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Design and Analysis of Rectangular Microstrip Patch Array Antenna for ISM Band Applications
Abstract: In this paper, we have achieved an efficient rectangular patch antenna with optimized parameters. Antennas are key components of any wireless system. A microstrip patch antenna (MPA) is a small size antenna used to process ultrahigh frequency signals. A microstrip antenna is commonly called as patch antenna and here we are using rectangular patch. The conducting patch can take any shape, but rectangular configurations are the most commonly used. The …
Published in International Journal of Microwave Engineering and Technology · Vol. 2, Issue 1, 2016 · pp. 1–6 Read article
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Radio Frequency Identification (RFID) Research: A Literature Review(1995-2005)
Abstract: Scholastic exploration into radio frequency identification (RFID) has multiplied fundamentally throughout the most recent couple of years, to the point where journals are delivering unique issues on the subject. In this paper, we display a literature survey of 85 academic journal papers that were distributed on the subject somewhere around 1995 and 2005. We sort out these studies into four primary classes: mechanical issues, applications problems, arrangement and security issues, …
Published in International Journal of Microwave Engineering and Technology · Vol. 1, Issue 2, 2015 · pp. 25–28 Read article
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A Novel Leaf Antenna Design for Ultra-Wideband Applications
Abstract: A novel printed leaf structured antenna for ultra-wideband (UWB) applications is designed in HFSS software, obtained results are presented. The radiating surface is cut like leaf shape over FR4 dielectric substrate backed finite ground plane and power is supplied with a 50 Ω microstrip line. The designed antenna operates over impedance bandwidth (2.9–11.6 GHz) for return loss S11 < 10 dB. The antenna also shows omni-directional radiation patterns and good …
Published in International Journal of Microwave Engineering and Technology · Vol. 1, Issue 2, 2015 · pp. 20–24 Read article
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Study on Polarization Reconfigurable Patch Antennas
Abstract: When we consider a microstrip patch antenna, the main important feature that is been emphasized in recent years is about polarization reconfigurability. These reconfigurable antennas are providing multiple degrees of freedom to the antenna designers because they are able to radiate in one or more polarization states. The detailed study made on polarization antennas are broadly classified into two types: simple feed structure and complex feed structure. Multiple polarizations reconfigurable …
Published in International Journal of Microwave Engineering and Technology · Vol. 1, Issue 2, 2015 · pp. 15–19 Read article
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Effect of Electromagnetic Interference and Different Counter Techniques -Electromagnetic Compatibility
Abstract: Electromagnetic Interference (EMI) refers to any electromagnetic (EM) disturbance that intrudes, hinders, degrades or bounds the actual performance of a piece of electrical/electronic equipment, transmission channel, or other susceptible systems. It can occur in any part of the EM spectrum from frequencies of 0 Hz (d.c.) to 20 GHz or higher, but though utmost predominant in the radio frequency (RF) region. The electromagnetic environment is the significant part of the …
Published in International Journal of Microwave Engineering and Technology · Vol. 1, Issue 2, 2015 · pp. 7–14 Read article