Sound is a vibration that spreads across a medium (i.e.‚ air or water) as a mechanical longitudinal wave formed by pressure. A Mechanical longitudinal wave can also be called compression wave as it generates compressions and rarefaction when traveling through a medium. (Sound Is a Pressure Wave - Physics Classroom) The amplitude of a sound wave is the difference between the pressure of the undisturbed air and the maximum pressure caused by the wave. The Speed of sound deviates with the temperature
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Technical Specification Sheet For UV-Spectrophotometer | | Wavelength range | 190 to 1‚100 nm | Spectral bandwidth | 1 nm (190 to 1‚100 nm)/ variable Low stray light < 0.12%T (220 nm‚ NaI 340nm‚ NaNO2>2.0 Abs) | Wavelength accuracy | ± 0.1 nm at D2 peak 656.1 nm‚ | | ± 0.3 nm for entire range | Reproducibility | ±0.1 nm | Resolution | 1 nm more than 6 wave lengths | Photometric system | Double beam optics | Photometric range | Absorbance: -4 to 4 Abs | | Transmittance:
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CHAPTER-15 Question 15.1: * Answer (b) Answer: 10 MHz For beyond-the-horizon communication‚ it is necessary for the signal waves to travel a large distance. 10 KHz signals cannot be radiated efficiently because of the antenna size. The high energy signal waves (1GHz − 1000 GHz) penetrate the ionosphere. 10 MHz frequencies get reflected easily from the ionosphere. Hence‚ signal waves of such frequencies are suitable for beyond-the-horizon communication. Question 15.2: * Answer
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A Fast CRC Implementation on FPGA Using a Pipelined Architecture for the Polynomial Division Fabrice MONTEIRO‚ Abbas DANDACHE‚ Amine M’SIR‚Bernard LEPLEY LICM‚ University of Metz‚ SUPELEC‚ Rue Edouard Belin‚ 57078 Metz Cedex phone: +33(0)3875473 11‚ fax: +33(0)387547301‚ email: fabrice.monteiro@ieee.org ABSTRACT The CRC error detection is a very common function on telecommunication applications. The evolution towards increasing data rates requires more and more sofisticated implementations.
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Fuzzy Automatic Guitar Tuner Kourosh Rahnamai‚ Brian Cox‚ Kevin Gorman Department of Electrical Engineering Western New England College Springfield‚ MA 01119‚ USA {krahnama‚bcox0‚kgorman}@wnec.edu receive of the other PC’s serial connection and visa versa. This allows the controller to be downloaded to the target PC and provides a two-way communications between the host and target PCs. Abstract – An automatic guitar tuner was successfully designed and developed using a fuzzy logic controller
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Touchable Holography ∗ Takayuki Hoshi‚ Masafumi Takahashi† ‚ Kei Nakatsuma‡ ‚ Hiroyuki Shinoda§ The University of Tokyo 1 Introduction Mid-air displays which project floating images in free space have been seen in SF movies for several decades [Rakkolainen 2007]. Recently‚ they are attracting a lot of attention as promising technologies in the field of digital signage and home TV‚ and many types of holographic displays are proposed and developed. You can see a virtual object
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Laboratory Report Cover Sheet DeVry University College of Engineering and Information Sciences Course Number: ECET100 Professor: Laboratory Number: Laboratory Title: Introduction to Laboratory Test Equipment Submittal Date: Objectives: Results: Conclusions: Team: Name Program Signature Name Program Signature Name Program Signature Observations/Measurements: III
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So‚ you think you’ve mastered your drone. You’ve practiced‚ flown your weight in LiPo batteries and you can yaw and roll with the best of them. Well‚ we’ve got some news. This may come as a shock‚ so we suggest taking a seat — line-of-sight drone flight is only a stepping stone! The real challenge is about to begin. Your drone is a nimble‚ split-second-decision-making‚ turn-on-a-dime‚ incredible-feats-a-plenty‚ flying machine! Shouldn’t you be in the cockpit along with it? It’s time to experience
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NETW310 Week 1 Lab Report Answer each of the question listed below on page 2. Create your report using the template starting on page 2 and submit it to the Week 1 Dropbox by the due date. Lamont Reed NETW310‚ Lori Farr 7/14/13 Lab #1‚ Examine the Physical Layer Lab Report Each answer is worth seven points. Use a red colored font for you answers. Place the answers below the questions. 1. There are three patterns outlined on the screen which one of these is identifying the
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In the most simple form‚ FM digital synthesis consists of two sine waves. One is called the modulating wave and the other is called the carrier wave. The carrier wave is the only waveform that is audible. The modulating wave does just as it sounds‚ it modulates the amplitude of the carrier wave‚ and acts as a control value. The frequency of the modulating frequency controls the rate of change in the carrier wave; it controls how fast the modulation occurs in the carrier wave. And the amplitude of
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