Dynamic Signal Analyzer for dSPACE K. A. Lilienkamp‚ and D. L. Trumper Precision Motion Control Lab‚ MIT‚ Rm 35-030‚ 77 Mass. Ave‚ Cambridge‚ MA 02139 We have developed MATLAB software and a Simulink subsystem block which work in tandem to extract the transfer function (amplitude and phase) of a system using ‘swept sine’ excitation. The resulting dynamic signal analyzer provides a convenient tool for obtaining empirical Bode plots of system and controller dynamics within the dSPACE environment.
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T. 34. Refraction is a bending that occurs when a wave moves from one medium to another at an angle and changes speed. _________________________ F. 40. A wave bending as it passes a point of land is an example of refraction. ___diffraction______________________ 43. The __amplitude__________________ of a mechanical wave is a direct measure of its energy. Short Answer Use the diagram to answer each question. 61. What does the person transfer to the rope by pulling it up and down at point
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Dowding CH (1996) Construction Vibrations. Prentice Hall‚ Upper Saddle River‚ NJ‚ USA. Goble GC‚ Rausche F and Likinis GE (1980) The analysis of pile driving: a state-of-the-art. Proceedings of the 1st International Seminar on the Application of Stress-Wave Theory on Piles‚ Stockholm‚ Sweden‚ pp. 131–161. Hibbitt D‚ Karlsson B and Sorensen P (2010) Abaqus User’s Manual‚ version 6.10. Hibbitt‚ Karlsson & Sorensen Inc.‚ Providence‚ RI‚ USA Kulhawy F (1991) Drilled shaft foundations. In Foundation Engineering
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Electricity Electromagnetic Oscillations and Waves Diffraction and polarization of microwaves 4.5.06-00 What you can learn about … Diffraction Focal point Linearity Circularly and elliptically polarized waves Transverse waves Polarizer and Analyzer Constructive and destructive interference Principle: The equivalence between visible light and microwaves as special cases of the total spectrum of electromagnetic waves can be demonstrated using diffraction and polarization of
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Theory Lissajous figures are patterns generated by the junction of a pair of sinusoidal waves with axes that are perpendicular to one another. Jules-Antione Lissajous studied these figures by producing sounds of different frequencies which were used to vibrate a mirror. A beam of light was then reflected from the mirror to produce trace patterns which were dependent on the frequencies. This setup used by Lissajous is similar to what is used today to project laser light shows. Today‚ Lissajous figures
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analysislsynthesis technique that is characterized by the the underlying sine waves are estimated using Kalman filamplitudes‚frequencies‚ andphases of thecomponentsine waves. tering techniques‚ and each sine-wave phase is defined to These parameters are estimated from the short-time Fourier transform be the integral of the associated instantaneous frequency. using a simple peak-picking algorithm. Rapid changes in the highly Another sine-wave-based speech compression system is resolved spectral components are
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Module 2 Data Communication Fundamentals Version 2 CSE IIT‚ Kharagpur Lesson 1 Data and Signal Version 2 CSE IIT‚ Kharagpur Specific Instructional Objectives At the end of this lesson the students will be able to: • • • • • • • • • Explain what is data Distinguish between Analog and Digital signal Explain the difference between time and Frequency domain representation of signal Specify the bandwidth of a signal Specify the Sources of impairment Explain Attenuation and Unit of Attenuation
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Chapter 4 DC to AC Conversion (INVERTER) • General concept • Basic principles/concepts • Single-phase inverter – Square wave – Notching – PWM • Harmonics • Modulation • Three-phase inverter DC to AC Converter (Inverter) • DEFINITION: Converts DC to AC power by switching the DC input voltage (or current) in a pre-determined sequence so as to generate AC voltage (or current) output. • TYPICAL APPLICATIONS: – Un-interruptible power supply (UPS)‚ Industrial (induction motor) drives‚ Traction
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and snorkeled in the Pacific Ocean‚ I did give a fleeting thought to tsunamis. In the last activity‚ I mentioned that the characteristics and behaviors of waves that you learned from the video could be applied to other waves. As you complete this activity‚ I want you to think about the similarities between the rogue tsunamis and the common waves we have studied.Materials:none Procedure: 1. Answer the question based on your exploration on the tsunami website. 2. Submit the assignment according
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From the reading‚ Should trees have standing‚ written by professor Christopher Stone in USC‚ analyzing and challenging the legal premise of nature should be treat as objects in the eyes under the law of rights. In the reading‚ the author argue the fundamental basis need to be rewritten for the destruction of nature. In the beginning of the reading‚ the author used the history of law to suggest a parallel development that there never was a pure state of nature. No “right” existed except in
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