International Journal of Advanced Technology & Engineering Research (IJATER) DESIGN AND ANALYSIS OF RECTANGULAR MICROSTRIP PATCH ANTENNA USING METAMATERIAL FOR BETTER EFFICIENCY Gourav Singh Rajput‚ Department of Electronics‚ Madhav Institute of Technology and Science Gwalior‚ (M.P); EMAIL- gouravrajput23@gmail.com Abstract In this present work‚ “Design and analysis of patch antenna using metamaterial (MTM) structure” is proposed for better improvement in the impedance bandwidth and reduction
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interest in convenient communication has heightened the need for digital communication development. This report would introduce an ambulance service system. As an emergency system‚ it should be quick response; in addition‚ the quality of the signal transmission is also very important. Then it is necessary to choose the appropriate components. Graph 1 [1] 1. Digital source Generally speaking‚ the graph shows above is a general block diagram of a digital communication system
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Circuit/Packet | Packet | The existing 3G W-CDMA standard will be replaced in 4G by VSF-OFCDM and VSF-CDMA. VSF-OFCDM allows extremely high downlink connections‚ both indoors and outdoors. VSF-CDMA provides high-efficiency‚ high-speed packet transmissions for the uplink. The 4G adoption of concatenated FEC (Forward Error Correction) will allow much larger data packets to be transmitted and at the same time reduce the bit error rate. This will increase the overall data through-put. One of the
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1 What are two reasons for physical layer protocols to use frame encoding techniques? (Choose two.) to identify where the frame starts and ends* to distinguish data bits from control bits* to reduce the number of collisions on the media to increase the media throughput to provide better media error correction 2 Which statement is correct about multimode fiber? Multimode fiber commonly uses a laser as a light source. Multimode fiber cables carry signals from multiple connected sending
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CHAPTER - 1 INTRODUCTION In this busy and competition world we cannot monitoring our elders (aged people) and patients continuously even though we have so much of love on them .By using advancements in present technologies we are developing this project to save time and user friendly system . The user has to press the respective button to get his service‚ and then the predefined message will be played through speaker. In general‚ most of the patients forget to take the appropriate medical course
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Joshua Feliciano – 110445 Mr. Basile IB ITGS – 11 4.27.2010 Digital Communication in the 21st century Digital communication can be defined as an electronic transmission of information that has been encoded digitally. This specifically means that digital communication is data communication of information that is converted from text to code digitally. Digital communication can also be effective communication dealing with web‚ multimedia‚ video or graphics‚ and digital media. Some forms
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·7· Boxster | The Boxster concept The pleasure of a roadster. The excitement of a Porsche. The Boxster models. Gear changes take place in milliseconds without any interruption in the flow of power. The advantage over a fully manual transmission is the considerably faster rate of acceleration for the same increases the agility of the Boxster but also enhances driving pleasure. As you would expect‚ the chassis setup ensures a supremely sporty ride. A wider track and generously dimensioned
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system and components. MICROWAVE SYSTEM: A Microwave system normally consists of Transmitter subsystems including a microwave oscillator wave guide and a terminating antenna and a receiver subsystem that includes a receiving antenna transmission line or wave guides‚ A microwave amplifier and a receiver . MICROWAVE SYSTEM: MICROWAVE COMPONENTS: WAVE GUIDE TEES: Wave guide Tees may consists of the E-Plane Tee‚ H-Plane Tee‚ magic Tee‚ Hybrid rings
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reflections from a normalised complex load impedance z = r + jx; [4 marks] [2marks] [2marks] (b) Consider the transmission line circuit below (Figure 1). Use the Smith Chart to find SWR on the line‚ the return loss‚ the reflection coefficient at the load‚ the load admittance‚ the input impedance to the line‚ the distance to the first voltage minimum‚ the distance
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3D EM problems are quickly and accurate obtained. BACKGROUND A microstrip patch antenna is very simple in the construction using a conventional microstrip fabrication technique[1].The most two models of the rectangular patch antenna are transmission line model and the cavity model. Antenna shape Keywords-Microstrip patch antenna‚ Frequency‚ Gain‚ Beamwidth‚HFSS‚Wireless communication. 1. INTRODUCTION In recent years there is a need for more compact antennas due to rapid decrease
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