Excitation frequency
Analysis of a duffing oscillator that exhibits hysteresis with varying excitation frequency and amplitude
... Hysteresis, which is caused by multi-valued solutions, belongs to the class of severe nonlinear phenomena and commonly appears in the Duffing oscillator. Hysteresis can be initiated by either varying the amplitude or the ...
15
Determination of the study frequency band of a kenaf material from the evolution of the temperature and the heat flux density as a function of the excitation frequency
... Plusieurs matériaux sont proposés dans le domaine de l’isolation thermique, ces matériaux peuvent être d’origine synthétiques (polystyrène, polyuréthanne… etc) [1,2]ou nat[r] ...
6
Application of sensors in an experimental investigation of mode dampings
... 1 Accelerometer Impact Excitation Frequency Response of the Damaged Composite Beam with the Coherence Function - Frequency Response of the first three Modes Artificially Damped Second Re[r] ...
284
CAE Characterization and Optimization of Automotive Seat Rattle Noise
... The vehicle seat is one of the major components that have potential to be a source of annoying rattle noise. A possible analytical design method minimizes find-and-fix physical tests and provides an upfront solution for ...
11
Finite Element Analysis and Test of an Ultrasonic Compound Horn
... the excitation voltage amplitude was 7 V, the vibration of the end sur- face could be measured axially at two frequencies of 17,248 Hz and 21,646 Hz ...the excitation frequency was 21,646 Hz, the ...
7
Dynamic Response Analysis of Compressor Mounting Bracket of an Automobile Vehicle for Aluminum 6061T6
... natural frequency depends on stiffness of the material and the mass of the respective ...modal frequency response ...Modal frequency response analysis is done by considering an excitation ...
5
Dynamic Simulation of Moving Element for Dynamic Calibration Device of Eddy Current Sensor Based on ANSYS
... sinusoidal excitation, the heterogenerty of vibration of all points of sense element cannot be intuitively reflected from the whole ...the frequency point of 100Hz, 200Hz, 300Hz and 400Hz are shown in ...
7
Vibration Response Suppression of Space Structure using Two U-Shaped Water Container
... natural frequency of moving water in the tank is the same as the natural frequency of the first bending mode of the structure in x-z and y-z ...the excitation frequency is close to the natural ...
7
Effect of Excitation Signal Frequency on Synthesis of Vowel
... vowels. Frequency of excitation signal is an important factor in the synthesis ...of excitation frequency and vowels were synthesized at different ...While frequency is varied and other ...
5
Experimental study and modelling of a low pressure RF generated magnetoplasma
... the excitation frequency and varying the magnetic field profile or vice versa, they share the following common features: (a) When the excitation frequency is lower than the cyclotron ...
157
Analysis and Compensation of PEM Fuel Cell Instabilities in Low-Frequency EIS Measurements
... high- frequency component to the excitation signal can increase the overall perturbation peak-to-peak amplitude with no con- sequence for what concerns the linearity requirement, being the ...
8
Non parametric linear time invariant system identification by discrete wavelet transforms
... In the (continuous) time domain, the most straightforward technique from a theoretical perspective is to excite the SUT with a Dirac impulse, whereupon the output is the impulse response function h( )—hence its name. ...
17
Effect of the Frequency Content of Earthquake Excitation on Damage Detection in Steel Frames
... alteration in the frequency of the response signal. As a result of this alteration, there will be some visible disturbances in the wavelet transform results. Thus, the appearance of spikes in the wavelet details ...
17
Excitation of low frequency oscillations in a planetary magnetosheath by supersonic shear flow
... The shear of the velocity can cause the K.-H. instability. This instability is widely known. It was investigated analyti- cally and numerically in many publications (see, e.g., Chan- drasekhar, 1961; Southwood, 1968; ...
13
Evaluation Damping Performance for Hydrostatic Bearing Film by Damping Ratio Scaling
... fundamental frequency modal damping of oil film supporting worktable is ...The excitation spectrum response does not produce a fundamental resonance peak, so the half-power bandwidth method cannot be used ...
6
Speech Enhancement for Pathological Voice Using Time-Frequency Trajectory Excitation Modelling
... Considering the specific characteristics of pathological voice, several techniques have been developed. One of them is speech enhancement for dysarthria who has neurologic disability including Parkinson’s, Multiple ...
8
Optical sideband generation up to room temperature with mid-infrared quantum cascade lasers
... an AR thickness of 2 µm, with each period n-doped to 1.4 × 10 17 cm 3 . In order to achieve resonant frequency mixing it is important to consider both the waveguide modes of the MIR QCL emission and the external ...
9
Dynamic nonlinearity in Piezoelectric flexural ultrasonic transducers
... resonance frequency for a specific excitation ...resonance frequency for an increase in excitation amplitude for each transducer, suggesting that in addition to the membrane material and ...
11
II. LIRA NEURAL
... Neuron digital implementation with Altera Max plus II software includes an adder designing to operate with excitation inputs, ON neurons, and another one to operate with inhibition inputs, OFF neurons. The adders ...
5
Generation of a two-photon state from a quantum dot in a microcavity
... incoherent excitation used in both the theoretical proposal and its experimental realization, the quantum character of the two-photon emission is not directly demonstrated nor quantified ...
6