Temperature Coefficient of Frequency Modeling for CMOS ...

    The resonance frequency of a mechanical resonator shifts due changes in material properties and temperature. As will be shown later, temperature change leads directly to change in material properties. As shown in Fig. 3, a metal-based plate is used as an example. At room temper-ature, the resonant frequency of a purely metal resonator [Fig. 3(a ...

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    Ring on the Resonance! - Scientific American

    Oct 20, 2016 · Ring on the Resonance! ... The biggest ring still has the lowest resonant frequency but you might have noticed that it was a little harder to get the smallest ring to move compared with when you ...

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    Simple Harmonic Motion Frequency - HyperPhysics Concepts

    Collecting terms gives B=mg/k, which is just the stretch of the spring by the weight, and the expression for the resonant vibrational frequency: This kind of motion is called simple harmonic motion and the system a simple harmonic oscillator.

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    RESONANT DRIVE FOR STABILIZING PARALLEL-PLATE .

    amplification at its electrical resonance frequency fres_el, the resonant drive circuit uses an oscillator loop for resonating the RLC tank, Fig. 2. Using only a simple AC signal generator, Fig. 1, makes the operation at resonance a complicated problem due to stability issues, some of which are explained in [4]. By operating at the

    • Published in: international conference on solid state sensors actuators and microsystems · 2005Authors: Baris Cagdaser · Bernhard E BoserAffiliation: University of California BerkeleyAbout: Resonance · Oscillation · Q factor · RLC circuit · High voltage · Voltage[PDF]
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    Nuclear Magnetic Resonance | AACC

    Jun 01, 2019 · The principle underlying this approach is that radio waves excite intramolecular magnetic fields around atomic nuclei, resulting in chemical shifts and changes in resonance frequency. These changes in resonance are akin to how potassium or sodium give off different wavelengths of light when heated in flame emission photometry.

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    RESONANT DRIVE FOR STABILIZING PARALLEL-PLATE .

    amplification at its electrical resonance frequency fres_el, the resonant drive circuit uses an oscillator loop for resonating the RLC tank, Fig. 2. Using only a simple AC signal generator, Fig. 1, makes the operation at resonance a complicated problem due to stability issues, some of which are explained in [4]. By operating at the

    • Published in: international conference on solid state sensors actuators and microsystems · 2005Authors: Baris Cagdaser · Bernhard E BoserAffiliation: University of California BerkeleyAbout: Resonance · Oscillation · Q factor · RLC circuit · High voltage · Voltage
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    Determining Resonance Frequency - International

    Determining Resonance Frequency When exposed to an AC electric field, a piezoelectric ceramic element changes dimensions cyclically, at the cycling frequency of the field. The frequency at which the ceramic element vibrates most readily, and most efficiently converts the electrical energy input into mechanical energy, is the resonance frequency.

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    Resonant frequency - IEEE Conferences, Publications, and ...

    Resonant frequency Information on IEEE's Technology Navigator. Start your Research Here! Resonant frequency-related Conferences, Publications, and Organizations.

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    Resonant Acoustic Frequency Shifts Associated with ... - NIST

    Resonant ultrasound spectroscopy (RUS) was used in this study to measure shifts in resonant frequency that arise from the presence of cracks in barium-titanate-based multi-layer ceramic capacitors (MLCCs). This work was motivated by an industrial need for a nondestructive quality-control technique ...

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    Series Resonance in a Series RLC Resonant Circuit

    The point at which this occurs is called the Resonant Frequency point, ( ƒ r ) of the circuit, and as we are analysing a series RLC circuit this resonance frequency produces a Series Resonance. Series Resonance circuits are one of the most important circuits used electrical and electronic circuits. They can be found in various forms such as in ...

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    SHAPE, VOLUME, AND RESONANCE FREQUENCY OF

    SHAPE, VOLUME, AND RESONANCE FREQUENCY OF THE SWIMBLADDER OF YELLOWFIN TUNA ( THUNNUS ALBACARES ) Kurt M. Schaefer Inter-American Tropical Tuna Commission 8604 La Jolla Shores Drive La Jolla, California 92037-1508 Charles W. Oliver Southwest Fisheries Science Center National Marine Fisheries Service, NOAA P.O. Box 271, La Jolla, California ...

    • Authors: Kurt M Schaefer · Charles W OliverAbout: Yellowfin tuna
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    Design of a Highly Efficient Bidirectional Isolated LLC ...

    resonance frequency of the resonant tank f r1 by the parameter k. Z 0 is the characteristic impedance of the resonant tank. To make (3) independent of the actual values of L p, L s and C s, the variables hand Qare introduced. P bat is the power that is transferred to the battery. The lower resonance frequency f r2 is the frequency, at which the ...

    • Published in: international power electronics and motion control conference · 2012Authors: Andre Hillers · D Christen · Juergen BielaAffiliation: Eth Zurich
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    AN INTRODUCTION TO FREQUENCY RESPONSE FUNCTIONS .

    A natural frequency is the frequency at which the structure would oscillate if it were disturbed from its rest position and then allowed to vibrate freely. All structures have at least one natural frequency. Nearly every structure has multiple natural frequencies. Resonance occurs when the applied force or base excitation frequency coincides with a

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    Building Resonance: Structural stability during ...

    Resonant frequency of any given system is the frequency at which the maximum-amplitude oscillation occurs. All buildings have a natural period, or resonance, which is the number of seconds it takes for the building to naturally vibrate back and forth.

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    What is anti-resonance? - ResearchGate

    What is anti-resonance? ... Related Publications. ... which is near the natural frequency, or mechanical resonance, of the device. This requires relatively low voltage but also high current.

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    Physics 11 IB Resonance of Air Columns - Rajesh Kumar

    Physics 11 IB Resonance of Air Columns Rajesh Swaminathan June 18, 2006 1 Aim To verify the linear relationship between the length and the resonant frequency of an air column in a closed tube and to determine the speed of sound in air. 2 Hypothesis Given the accepted value for the speed of sound in pure air at 20 to be 343m/s, I hypothesize

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    Resonance-Frequency Modulation for Rapid, Point-of-Care ...

    Recent outbreaks of Ebola-virus infections in several countries demand a rapid point-of-care (POC)-detection strategy. This paper reports on an innovative pathway founded on electronic-resonance-frequency modulation to detect Ebola glycoprotein (GP), on the basis of a carrier-injection–trapping–release–transfer mechanism and the standard antibody–antigen-interaction .

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    Design of a Highly Efficient Bidirectional Isolated LLC ...

    resonance frequency of the resonant tank f r1 by the parameter k. Z 0 is the characteristic impedance of the resonant tank. To make (3) independent of the actual values of L p, L s and C s, the variables hand Qare introduced. P bat is the power that is transferred to the battery. The lower resonance frequency f r2 is the frequency, at which the ...

    • Published in: international power electronics and motion control conference · 2012Authors: Andre Hillers · D Christen · Juergen BielaAffiliation: Eth Zurich
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    Publications | Jungwon Choi

    J. Choi, W. Liang, L. Raymond, J. M. Rivas, "A High frequency Resonant Converter Based on the Class Phi2 Inverter for Wireless Power Transfer," IEEE Vehicle Technology Conference (VTC spring), 2014

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    Resonance-Frequency Modulation for Rapid, Point-of-Care ...

    Recent outbreaks of Ebola-virus infections in several countries demand a rapid point-of-care (POC)-detection strategy. This paper reports on an innovative pathway founded on electronic-resonance-frequency modulation to detect Ebola glycoprotein (GP), on the basis of a carrier-injection–trapping–release–transfer mechanism and the standard antibody–antigen-interaction .

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    Automatic Resonance Frequency Tuning Method for Repeater ...

    / Automatic Resonance Frequency Tuning Method for Repeater in Resonant Inductive Coupling Wireless Power Transfer Systems. 2018 International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018. Institute of Electrical and Electronics Engineers Inc., 2018. pp. 1610-1616.

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