low and mid frequency
Vibroacoustics of the piano soundboard : (Non)linearity and modal properties in the low- and mid-frequency ranges
... sound and therefore, its vibrations are of primary importance for the sound characteristics of the ...loudspeaker) and to measure ...Sound and Vibration 325 (4–5) (2009) ...this frequency ...
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Weak Trefftz Discontinuous Galerkin method: an approach to resolve low and mid frequency mixed vibration problems
... VTCR, low and mid frequency 1 Introductions The standard Galerkin Finite Element method FEM [1] is a well developed computer-aided enginee- ring tool commonly used for the analysis of ...
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Entrainment phenomenon in a mid-infrared QCL with external optical feedback and low frequency modulation
... Entrainment phenomenon in a mid-infrared QCL with external optical feedback and low frequency modulation O. Spitz, 1,2,3,+ J. Wu, 3,4 M. Carras, 2 C. W. Wong, 3 F. Grillot 1,3,5 1 LTCI ...
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Transformer Modeling for Low-And Mid-Frequency Electromagnetic Transients Simulation
... 4) and (Robertson and Terry, ...transformer and in a shell-type transformer, as shown in ...widths, and that the yokes extended to infinity and that their permeability was ...finite, ...
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Chaotic optical power dropouts driven by low frequency bias forcing in a mid-infrared quantum cascade laser
... a frequency varying between ...MHz and 3.5 MHz. It is relevant to notice that the low noise source has a modulation bandwidth of 3 MHz and that the measurements carried above this value lead ...
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Low frequency fluctuations and optical bursts induced by external optical feedback and low frequency modulation in a quantum cascade laser at 9 µm
... the mid-infrared range, especially between 8 and 11 µm where lies a transparency window of the ...background and the lack of sensitive detectors prevent the use of quantum communications over long ...
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A Local Wave Tracking Strategy for Efficiently Solving Mid- and High-Frequency Helmholtz Problems
... waves and/or drastically re ning the ...a low number of plane-waves typically used to calculate elds propagating in the low frequency regime, to calculate elds at higher ...rigid, and ...
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Low-frequency fluctuations of a mid-infrared quantum cascade laser operating at cryogenic temperatures
... a low-frequency cutoff below 100 kHz and therefore, part of the square signal harmonics are ...appear and hence the QCL is likely operating in a limit cycle with oscillation frequency ...
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Low-frequency impact sound transmission through floor systems
... systems and type and thickness of sound absorber were constructed in the IRC Acoustics Laboratory during a project lasting about 3 ...I-joists, and steel joists. Glass, rock and cellulose ...
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Toward an adjustable nonlinear low frequency acoustic absorber
... the frequency response of the primary system on the mass ratio γ: (a) γ = ...cap and voice coil), the elastic and dis- sipative behaviors are determined by the diaphragm surround (peripherical ...
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High-field mid-infrared pulses derived from frequency domain optical parametric amplification
... of mid-infrared laser pulses with few-cycle duration and carrier-to-envelope phase ...Using frequency domain optical parametric amplification (FOPA), selective amplification is performed on two ...
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Sharp low frequency resolvent estimates on asymptotically conical manifolds
... and K(z) = R(z)(1 − φ1)( ˆ P ) + (1 − φ2)( ˆ P )R(z)ϕφ1( ˆ P ...2 and of wǫ, we can choose first φ1(λ) = Φ(λ/ε1) such that, by using ...Aǫ,1 and Aǫ,2 are uniformly bounded on L 2 (M) similarly to ...
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Regional low-flow frequency analysis using single and ensemble artificial neural networks.
... of low-flow quantile estimation at ungauged sites, an ANN model is used to approximate the functional relationship between the physiographical varia- bles and the hydrologic variables which act as the input ...
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Laboratory methods for measuring low-frequency sound emission
... Access and use of this website and the material on it are subject to the Terms and Conditions set forth at Laboratory methods for measuring low-frequency sound ...
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Low-frequency vibrations in a near-critical fluid
... lines, and, because of their inhomogeneity along the longitudinal wall, the additional ki- netic energy variations also make the longitudinal velocity inhomogeneous outside the dynamic boundary layer ...
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Low frequency impact sound transmission through floor systems
... individual frequency bands, none of these single number ratings correlate well with the walker ...[6] and here called BIC (Bodlund impact class), and a straight-line rating as proposed by Fasold ...
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Low temperature mid-infrared cross-sections for peroxyacetyl nitrate (PAN) vapour
... (1984) and were tested for purity (found to be greater than 99%) by gas ...pressure and sample stability considerations. A summary of the sample and measurement parameters is given in Table 1, with ...
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Low frequency noise controls on-off intermittency of bifurcating systems
... Pomeau and Manneville [1]: a limit cycle is weakly unstable but from time to time a reinjection mechanism forces the system to return close to this limit ...[2] and also identified in a system of ...
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Review: Inertial sensors for low-frequency seismic vibration measurement
... support and a modification of the orientation with respect to the gravitational ...mass and a measure of the tilt of the support below the ...π=2 and is known as tilt-to-horizontal coupling ( ...
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PIEZOELECTRIC TRANSDUCER FOR LOW FREQUENCY SOUND GENERATION ON SURFACE LOUDSPEAKERS
... (left) and prototype speaker with housing ...a low voltage piezoelectric ceramics ...stack and protects it from tensile ...conditions and provide relatively high force and large ...
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