Vibration Sensors Introduction / Selection Characteristic Flat Frequency Response 20–1‚500 Hz 2–5‚000 Hz Phase Fidelity 2–5‚000Hz Reduced Noise at Higher Frequencies Linearity Mounting in Any Orientation Temperature Limitation EMI* Resistance Mechanical Durability Coil and Magnet Velocity Sensor Piezoelectric Velocity Sensor Yes No Yes Yes Acceptable Excellent No Good Sensor Dependent > +707°F (+375°C) Acceptable Good Yes Good Yes +248°F (+120°C)
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and ‘1’ are represented the shifting value between the two selected amplitude. 2) Frequency Shift Keying (FSK) FSK is a modulation technique that related with the frequency shifting or changes of carrier signal to transmit the digital information. In simple cases of FSK modulation‚ one of the two frequencies transmits the digital data which is one of the frequencies will transmit ‘0’ while the other frequency transmits ‘1’. There are several types of FSK modulation that
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the design of a dual-frequency antenna for GSM and UMTS/LAN/ISM system applications. A patch antenna with rectangular aperture is designed by using a thick substrate in order to increase the bandwidth. After this‚ we have extracted the reflection coefficient of the considered antenna excited by a probe feed and by optimizing the antenna dimensions and the aperture position. The simulation of this antenna has been made by advanced design system (ADS) in the band of frequency between 50 Hz and 3.2
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tune to any frequency band and received any modulation across a large frequency spectrum by means of little hard ware as possible and process it signals through soft ware. VLSI CHIP [pic] This paper introduces the basic design of SDR‚ use of VLSI chips in mobiles and their working principles. KEYWORDS:- 1. VLSI - Very large scale integration 2. SDR - Soft ware defined Radio 3. R.F - Radio Frequency 4. I.F -intermediate frequency INTRODUCTION
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Frequency and Volume of Sound Waves Exp 11.1 Physics Lab Partners: 1/28/12 Object: To see how wave length‚ speed‚ and temperature affect frequency Supplies: * 2 six inch pieces of copper pipe and 1 four inch piece * Freezer * Hot tap water * Bowl * Paper towels Procedure: 1. Hold one of the six inch pieces of pipe in hand and plug the bottom with finger 2. Blow into the pipe until you find the right angle to create a tone 3. Vary the force with which you
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look at several colorful lines 4. Record the colors of the lines and what element they were for on a sheet of paper 5. Repeat steps three and four for each element 6. Calculate the frequency and energy for each line Number Element Color Wavelength Frequency Energy 650 Hydrogen Red 650x10^10-9 4.6x10^14 3x10^-19 450 Hydrogen Blue 450x10^-9 6.7x10^14 4.4x10^-19 440 Hydrogen Teal
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Part F =6 ANSWER: Answer Requested Normal Modes and Resonance Frequencies Learning Goal: To understand the concept of normal modes of oscillation and to derive some properties of normal modes of waves on a string. A normal mode of a closed system is an oscillation of the system in which all parts oscillate at a single frequency. In general there are an infinite number of such modes‚ each one with a distinctive frequency and associated pattern of oscillation. Consider an example of a system
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Physics Waves Lab SL Introduction: This lab will investigate the properties of mechanical waves such as a longitudinal wave‚ focusing on the question: Does a change in the frequency of a wave result in a significant and convincing change in the speed of the wave? Hypothesis: Changing the frequency of the wave will not result in a change in speed because the wavelength will change proportionally as in theory. Student Designed Investigation Procedure/ Planning Procedure: 1. Three
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TC9400/9401/9402 Voltage-to-Frequency / Frequency-to-Voltage Converters Features: VOLTAGE-TO-FREQUENCY • Choice of Linearity: - TC9401: 0.01% - TC9400: 0.05% - TC9402: 0.25% • DC to 100 kHz (F/V) or 1 Hz to 100 kHz (V/F) • Low Power Dissipation: 27 mW (Typ.) • Single/Dual Supply Operation: - +8V to +15V or ±4V to ±7.5V • Gain Temperature Stability: ±25 ppm/°C (Typ.) • Programmable Scale Factor General Description: The TC9400/9401/9402 are low-cost Voltage-to-Frequency (V/F) converters‚ utilizing
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Institution Course: Instructor Date of Submission Resonance Tube Abstract The purpose of this lab was to determine the frequencies of the sound produced by a tuning fork. This was accomplished by inducing resonance using a tube of adjustable length. Theoretical Background In practice‚ sound is heard if a tuning fork is set to vibrate. Typically‚ the sound comprises one or more frequencies. Notably‚ resonance may occur between the surface and the tuning fork in case sound is reflected from the surface
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