CHAPTER 1 1.0 INTRODUCTION Students’ Industrial Work Experience Scheme (SIWES) is a skill development program designed to prepare students of Universities‚ Polytechnics/monotechnics and colleges of education for transition from the college environment to work (Akerejola 2008). Oyedele (1990) state that work experience is an educational program in which students participate in work activities while attending school. 1.1 brief histories of SIWES The Students’ Industrial Work Experience Scheme (SIWES)
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4035‚ Communications IV Lecture Notes Prof. Derek Abbott Dr. Mark McDonnell‚ A/Prof. Bruce R. Davis School of Electrical and Electronic Engineering © The University of Adelaide. 4035 - Communications IV‚ Notes School of Electrical & Electronic Engineering School of Electrical & Electronic Engineering Lectures 4035 Communications IV Lectures: 18 Tutorials: 4 Lecturer: Prof. Derek Abbott‚ Rm N237 • Slides - These contain the salient points‚ but are not a complete coverage of topics
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Frequency Modulation Design of FM Broadcast Systems ECE 211L Broadcast Engineering Laboratory A system of modulation where the instantaneous frequency of the carrier and its rate of change varies in proportion to the instantaneous amplitude of the modulating signal. The FM Broadcast Band That portion of the radio frequency spectrum from 88 MHz to 108 MHz. The band is divided into 100 channels‚ starting at 88.1 MHz up to 107.9 MHz. Each channel is 200 kHz wide‚ designated by its carrier
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FM (Frequency Modulation) Radio Frequency modulation‚ FM is widely used for a variety of radio communications applications. FM broadcasts on the VHF bands still provide exceptionally high quality audio‚ and FM is also used for a variety of forms of two way radio communications‚ and it is especially useful for mobile radio communications‚ being used in taxis‚ and many other forms of vehicle.in view of its widespread use‚ frequency modulation‚ FM‚ is an important form of modulation‚ despite many forms
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Senior Science Research Project Aaron Aherne-Williams Fibre-Optic Telecommunications Systems: Fibre-optic telecommunications is simply a method of transmitting information from one place to another extremely fast. This is done by shooting pulses of light through an optical fibre. Creating the optical signal involving the use of a transmitter‚ relaying the signal along the fiber‚ ensuring that the signal does not become too distorted or weak‚ receiving the optical signal‚ and converting it
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A CASE STUDY ON REDIFFUSION RADIO Rediffusion Radio: Rise and fall Two years after the Second World War‚ at a time where radio relied on Amplitude Modulation (AM) to broadcast‚ the inception of Rediffusion gave Singaporeans a whole new experience of listening to music. Through cable transmission‚ Rediffusion’s broadcasts were crystal clear and interference-free (Remember Singapore ‚ 2012). Even though its monthly subscription was priced at $5‚ a considerable high amount in the 1950s‚ Rediffusion
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transistors. Continuous tuning is achieved with a variable capacitor. The designed tuning range was 88MHz to 108MHz. The transmitter can transmit audio signal on a 91.7MHz carrier over a distance of 300meters in open air. INTRODUCTION Frequency modulation (FM) is a technique for wireless transmission of information where the frequency of a high frequency carrier is changed in proportion to message
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Am radio wasn’t invented until the 1900’s by Lee Deforest. Lee Deforest was the first to use the term radio. Am means amplified modulation and was and is used for long distances. Am was the first system utilized to broadcast human voices and talk shows. Another aspect of radio was later invented by Edwin Howard Armstrong. This was referred to as frequency modulation which was a series of wave frequencies that were sent at a low amplification and when these frequencies arrived at the radio they
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Research Journal of Applied Sciences‚ Engineering and Technology Research Article Digital Simulation of Space Vector Modulation Based Induction Motor Drive K.Vijaya Bhaskar Reddy* ‚ Research Scholar‚ Andhra University‚ waltair‚ A.P‚ India vijayabhaskarareddy.k@bvrit.ac.in‚ G.V. Siva Krishna Rao‚ Professor‚ Dept. of Electrical Engineering‚ Andhra University waltair‚ A.P‚ India‚ gvskrishna_rao@yahoo.com T.S.Surendra ‚Principal‚Dept of Electrical and Electronics Engineering‚BVRIT‚Narsapur‚Medak
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diode. Amplitude Modulation - The encoding of a carrier wave by variation of its amplitude in accordance with an input signal. A broadcast system that uses amplitude modulation. Analog Transmission - is a transmission method of conveying voice‚ data‚ image‚ signal or video information using a continuous signal which varies in amplitude‚ phase‚ or some other property in proportion to that of a variable. It could be the transfer of an analog source signal‚ using an analog modulation method such as
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