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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TERRESTRIAL MICROWAVE COMMUNICATION SYSTEM DESIGN DESCRIPTION OF THE MICROWAVE BEAM: 1. The microwave beam behaves like a light beam and it tends to follow a straight line and azimuth. 2. The changes on temperature‚ pressure and relative humidity tends to refract the microwave beam. So it will follow on a slightly curved path. The radio horizon exists. 3. It is diffracted when grazing over an obstacle. A small shadow area created when some of the energy is redirected. 4. The beam
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message receipt. Third‚ protocols provide a basis for error checking and measuring network performance. This is done by comparing measured results against expectations. For example‚ performance measures pertaining to storage access times‚ data transmission rates and modulation frequencies are critical to control the network’s function. Thus‚ the identification and correction of errors depend on protocol standards that define acceptable performance. Fourth‚ protocols promote compatibility among
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Coursework 3: Research on a new area or new technology of computing: IEEE 802.11AC THE FIFTH GENERATION OF WI-FI Table of Contents TOC \o "1-3" \h \z \u 1. INTRODUCTION PAGEREF _Toc400884340 \h 22. DRIVERS FOR 802.11AC PAGEREF _Toc400884341 \h 43. NEW FEATURES IN 802.11AC PAGEREF _Toc400884342 \h 54. CONCLUSION PAGEREF _Toc400884343 \h 105. REFERENCES PAGEREF _Toc400884344 \h 11 INTRODUCTION Usually Wi-Fi was a means for users to stay connected at home or in the enterprise to the internet
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Manual or Automatic? Why is driving a manual transmission car so popular? Manual cars are harder to drive‚ and it requires great driving skill. Why not just get an automatic car instead‚ which makes driving easy‚ especially in very heavy traffic like in Chicago? If this is what you people think‚ then they need to read this essay before they buy a car. The overall message of this essay is to contrast manual cars with automatic cars. People who drive manual cars know the pros and cons of having the
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port connects to RxD pin of controller via MAX232. And similarly‚ RxD pin of serial port connects to the TxD pin of controller through MAX232. MAX232 has two sets of line drivers for transferring and receiving data. The line drivers used for transmission are called T1 and T2‚ where as the line drivers for receiver are designated as R1 and R2. The connection of MAX232 with computer and the controller is shown in the circuit diagram. An important parameter considered while interfacing serial
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