number of pre-orders Apple had received in a single day for any device up to that time. By the end of the month‚ Apple had sold over 1.7 million iPhone 4s’. Not long after the release‚ customers began to report antenna issues with the phone. They said that if they touched the antenna located on the outside of the phone or gripped the phone too hard‚ they would lose reception and their phone calls would drop. With such high demand for the iPhone 4‚ one would think that Apple would have ensured their
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PROCESS ANALYSIS INTRODUCTION There are clearly more questions than answers right now about what has caused Apple’s iPhone 4 woes -in particular‚ the phone’s antenna design and the company’s struggle with supply and demand. Apple recently released the fourth generation iPhone with a design flaw in the antenna that substantially degrades the reception when held in the palm of your hand. This‚ in turn‚ has created the problems the company has had with meeting the needs of the consumer‚ as well
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Volleyball Court Dimensions Measurements‚ Centerline‚ Antenna Understanding volleyball court dimensions has big impact on how well you play the game of volleyball. The volleyball court specifications require the court to be 18 meters (60 feet)long and 9 meters (30 feet) wide. The volleyball court has acenterline that divides each teams side into a 9 by 9 meter area of court space. The volleyball net is one meter wide and is placed in the center of the court running sideline to sideline. For
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Hearing Aid 3 3.2 The Acquisition of a blood pressure signal 4 3.3 IIR filters to extract alpha activity from EEG signal 5 4.0 ADAPTIVE ARRAY IN SMART ANTENNA TECHNOLOGY 6 4.1 TYPES OF SMART ANTENNA 7 4.2 ADAPTIVE ARRAY SYSTEMS 8 4.3 BASIC WORKING MECHANISM 9 4.4 BENEFITS OF SMART ANTENNA TECHNOLOGY 10 5.0 DSP IN MOTOR CONTROL 5.1 MOTOR CONTROL TREND 11 5.2 BENEFITS OF THE DSP CONTROLLERS 12 6.0 DSP IN RADIO DETECTION & RANGING
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LIFE SAVING EMBEDDED SYSTEM EARTHQUAKE DETECTION Submitted by P.A.Sathishkumar P.Athimuthu IInd CSE Chandy college of Engineering LIFE SAVING EMBEDDED SYSTEM Authors Names:P.ASathishkumar line 1:Anna university Triunelveli -Computer Science and Engineering line 2: Chandy college of Engineering line 3: Tuticorin‚India line 4: e-mail: paskcse@gmail.com Authors Names:Athimuthu line 1 : Anna university Triunelveli -Computer Science and Engineering line 2: Chandy college of Engineering
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toes in the gritty sand and lift my face to the sky from where rain drops start to fall. We turn and dash into a T-Mobile store. My father checks out the deals and buys a hideous Nokia cellphone for my mother: a hard blue shell and a thumb-sized antenna. Ironically‚ this object that I have strongly disliked since it entered into my life twelve years ago represents me wholly. A fatal fall may damage any ordinary phone‚ but my mother’s has a protective shell which keeps it from breaking. I have
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CHAPTER I THE PROBLEM AND ITS SETTING INTRODUCTION The area of wireless power transmission is very interesting. The technology is in its infancy but the overall benefits from its maturation could be significant to society as a whole. World population is expected to continue to grow exponentially. Five sixths of the world’s population lives in developing nations. Most developing nations such as China‚ India‚ and Pakistan are rapidly improving their standard of living. All of these trends point
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CAMPUS AREA WIRELESS NETWORK PROPOSAL ( UITM MACHANG ) This proposal recommends the implementation of Project CAWN (Campus Area Wireless Network) at the University Teknologi Mara‚ Kelantan branch. The following information and recommendations are necessary for the university to stay on the cutting-edge of today’s campus technology 1.0 EXECUTIVE SUMMARY The Information Technology Department‚ UiTM Kelantan has indicated that wireless access improvements are important to students
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Digital • Controls • Solid State The AM Radio & The Telephone System The AM Radio • Understanding the AM radio requires knowledge of several EE subdisciplines: – Communications/signal processing (frequency domain analysis) – Electromagnetics (antennas‚ high-frequency circuits) – Power (batteries‚ power supplies) – Solid state (miniaturization‚ low-power electronics) The AM Radio “System” Transmitter Receiver Signal • The radio system can be understood in terms of its effect on signals. •
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Radiations of GSM Base Station Antenna And Its Health Consequences- A Research conducted in Nigeria In Nigeria 98% of Global System for Mobile (GSM) base stations (cell sites) are sited within 20 meters from residential‚ offices‚ schools‚ business buildings. Cell phone antennas emit microwave frequencies‚ which are non-ionizing radiation. A research was conducted by measuring field data of radiation from GSM base antennas in Nigeria for supporting evidence public health risks from gsm radiations
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