... absence does not unambiguously assess whether individuals are homozygotes or heterozygotes with another unidentified S-haplotype. Because ... S-haplotypes are expected to occur frequently as homozygotes i...

Some biophysical effects of microwaves on different human body tissues were studied. Accurate estimation of heat radiation action depends on significance of experimental electric constants of body tissues. Non-linear effects in microwaves propagation in tissues explain molecular activity of this frequency range. PMID:17563983

Permeability and resonance frequency of Permalloy microparticles dispersed in an insulating host depend on particle size. Maxwell-Garnett theory is not accurate to interpret experimental results. Bruggeman theory is modified in order to take into account ...

Acoustic waves propagate in thin plates as guided or Lamb modes. The velocities of these modes are dispersive in that they depend not only on the material elastic properties and density, but also on the frequency. Accurate characterization of Lamb wave di...

Several studies have shown that the performance of different chemical processes can be improved by means of periodic operation. An accurate modeling and simulation of these processes requires accounting for the dependence of the system parameters with the operating frequency. This work uses the method of volume averaging to study the ...

... MAGNITUDE OF THE BROAD MAXIMA EXHIBITED A FREQUENCY DEPENDENCE. MEASUREMENTS AT SIX DIFFERENT FREQUENCIES IN ...

... Abstract : The frequency dependence of the electrolytic conductivity was studied for ... values of the impedance at various frequencies were used to ...

... Accession Number : ADD200835. Title : An Accurate Prediction of Natural Frequencies of Laminated Plates by a Higher Order Theory. ...

Polarization phenomena in ferroelectric materials are frequency-dependent, and the present article describes the use of a fractional derivative for the understanding of these phenomena as well as modeling them as functions of frequency and electric field amplitude. The focus was first directed toward the definition and validation of the proposed model ...

The multiple signal classification method (MUSIC) for frequency estimation is used to compute the frequency dispersion curves of a diatomic chain from the time-dependent structure factor. In this paper, the authors demonstrate that MUSIC can accurately determine the frequencies from very short ...

An approximate first-order expression for modeling frequency-dependent friction of unsteady pipe flow with high-viscosity fluid has been deveoped with the method of nonlinear square integral optimum in the frequency domain. This simple expression of first-order lag elements is more accurate and efficient than others in both the ...

The generation of cw-THz radiation by photomixing is particularly suited to the high resolution spectroscopy of gases; nevertheless, until recently, it has suffered from a lack of frequency metrology. Frequency combs are a powerful tool that can transfer microwave frequency standards to optical frequencies and a ...

... for an Antenna with Frequency Dependent Beam Firing ... sequence of agile frequency selections which ... the nominal sequence of agile frequencies. ...

A mathematical model of the auditory analysis of periodicity of sound and its envelope is proposed. The model consists of a sequence of mathematical transformations that describe the signal processing stages. The following parameters and properties of the auditory system are taken into account: the crude analysis of the input acoustic signal accurate to the width of the aural ...

Current rectification, i.e., induction of dc current by oscillating electromagnetic fields, is demonstrated in molecular junctions at an optical frequency. The magnitude of rectification is used to accurately determine the effective oscillating potentials in the junctions induced by the irradiating laser. Since the gap size of the junctions used in this ...

Comprehensive characterization of optoacoustic transducers is achieved through the analysis of their frequency response using a procedure of measuring angular dependence of the transducer sensitivity to the ultrawide-band delta pulse. The testing was performed under standard repeatable operating conditions. Back-illumination of a blackened, acoustically ...

Diodes have been used for years as rectifiers, but due to forward voltage drop, accuracy is poor. Three methods of computing rectifier error based upon exponential models of the PN junction current-voltage characteristics are presented. An iterative hand analysis provides accurate prediction of rectifier performance at midband frequencies. To include ...

We describe a method of {sup 3}He polarimetry relying on the polarization-dependent frequency shift of the Rb Zeeman resonance. Our method is ideally suited for on-line measurements of the {sup 3}He polarization produced by spin-exchange optical pumping. To calibrate the frequency shift we performed an accurate ...

We model density inversion in vertically shaken granular layers using a proposed set of three-dimensional, time-dependent granular hydrodynamics equations. For a range of shaking amplitudes and frequencies, we numerically solve time-dependent equations derived to Navier-Stokes order for mono-disperse, frictionless, nearly elastic ...

The electromagnetic field strength present within the focal volume of a pulsed laser is routinely high enough to produce reasonably efficient nonlinear summing and mixing of optical frequencies. The polarization-dependence of the outgoing beam is a sensitive function of the polarization state(s) of the incident beam(s) and the structure, orientation, and ...

ackaaaaa Abstract�Controllers of industrial furnaces may operate differently in different temperature ranges. The controller has different parameter sets for each of these ranges. The operation of controllers is switched according to the temperature. It is desirable to change the parameters continuously following the temperature. The continuous change of parameters instead of mode switching may ...

The C6 coefficients of van der Waals interactions have been evaluated by the dynamic polarizabilities at imaginary frequencies computed by time-dependent density-functional theory using the optimized effective potentials. The C6 coefficients thus obtained agree accurately with those from the exact-exchange counterpart in ab initio ...

... Title : THE FREQUENCY DEPENDENCE OF THE DIELECTRIC CONSTANT AND CONDUCTIVITY OF ROCK AND ITS RELATION TO ...

... Title : TEMPERATURE DEPENDENCE OF THE FREQUENCY OF RUBY LASER EMISSION with a phthalocyanin shutter,. ...

... Accession Number : ADD879749. Title : REALIZATION OF FREQUENCY DEPENDENT NEGATIVE RESISTANCE. Corporate Author : ...

... Title : ON THE FREQUENCY DEPENDENCE OF THE ELECTRIC PARAMETERS OF ROCK, PROPAGATION OF VLF WAVES. ...

... Title : FREQUENCY-DEPENDENT ELASTIC PROPERTIES OF RUBBERLIKE MATERIALS WITH A RANDOM DISTRIBUTION OF VOIDS. ...

... Title : FREQUENCY DEPENDENT INTERACTION OF ULTRASONIC WAVES WITH SURFACE-BREAKING CRACKS. Corporate Author : ...

... Title : FREQUENCY DEPENDENT ELECTROMAGNETIC SENSING: LIFE MONITORING - INTELLIGENT MATERIALS. Corporate Author : ...

... Title : FREQUENCY DEPENDENCE OF ULTRASONIC ATTENUATION AND VELOCITY ON PLASTIC DEFORMATION. Corporate Author : ...

... Title : FREQUENCY DEPENDENCE OF THE FIELD STRENGTH COMPONENTS OF A DIPOLE EMBEDDED IN A CONDUCTING MEDIUM,. ...

... Accession Number : AD0616709. Title : FREQUENCY DEPENDENCE OF IONOSPHERIC ABSORPTION. Descriptive Note : Master's thesis. ...

... Title : FREQUENCY DEPENDENCE OF INTERNAL ENERGY DISSIPATION IN CERTAIN POLYMERIC MATERIALS,. Corporate ...

... Frequency-dependent relaxation properties are detected with ... slope of the frequency-temperature plot ... ultrasonic experiments at similar frequencies. ...

In this paper an interferometric setup called 'thermoelastic microscopy' has been used to measure the vibration response of the semiconductor cantilevers under modulated laser thermal source. The small vibration amplitude has been detected well below 10 pm magnitude in accurate adjustment conditions. The results showed that experimental responses have a good ...

... attenuation measured in the cores demonstrates an approximately linear frequency dependence at all four measurement frequencies (Figure 5b). ...

... Abstract : The predicted dependence of sound transmission on the ... over the sea, for frequencies to 1000 Hz ... as a function of frequency is presented ...

... Title : Frequency Dependence of Dielectric Loss in Condensed Matter. ... response of condensed matter below microwave frequencies has been ...

... Title : Frequency Dependence of Dielectric Loss in Condensed Matter. ... response of condensed matter below microwave frequencies has been ...

... a particular direction is dependent upon the frequency of the source. The APATS system requires simultaneous reception of two frequencies per re ...

... The frequency dependent ray diagrams can be used to explain the behav- ior of ... gation loss curves at this depth for both frequencies, computed by ...

The recursive-convolution solution for anisotropic and dispersive media was seen to yield accurate results for reflection from ferrite slabs up to a frequency limit set by the sampling interval. Depending on the application, the results shown might be considered usable up to about 300 GHz, which corresponds to about 13 cells per ...

Shock wave speed and attenuation in a non-linear discrete media are investigated. The goal of the study is to identify parameters that control shock wave or impulsive wave speed and energy dissipation in the discrete non homogeneous binary media. Material properties of solid constituents and the elastic behavior of contact points are shown to depend on the wave ...

Surface-wave group-velocity tomography is an efficient way to obtain images of the group velocity over a test area. Because Rayleigh-wave group velocity depends on frequency, there are separate images for each frequency. Thus, at each point in these images the group velocities define a dispersion curve, a curve that relates group ...

We present temperature-dependent measurements of the EPR frequency shifts for Na, K, and Rb interacting with polarized {sup 3}He. K and Na frequency shifts were measured via comparison with Rb frequency shifts (well known at low temperatures) in Na-Rb-{sup 3}He and K-Rb-{sup 3}He spin-exchange cells. The lowered Rb ...

This paper summarizes evidence of a nonlinear frequency dependence of attenuation for compressional waves in shallow-water waveguides with sandy sediment bottoms. Sediment attenuation is found consistent with alpha(f) = alpha(f(o)) x (f/f(o))n, n approximately 1.8 +/- 0.2 at frequencies less than 1 kHz in agreement with the theoretical ...

A frequency synthesizer is provided that is capable of supplying a plurality of accurate frequencies. The frequency synthesizer comprises a resonator matrix including a plurality of resonators embedded in a single monolithic piece of piezoelectric crystal...

Echolocating bats are auditory specialists, with exquisite hearing that spans several octaves. In the ultrasonic range, bat audiograms typically show highest sensitivity in the spectral region of their species-specific echolocation calls. Well-developed hearing in the audible range has been commonly attributed to a need to detect sounds produced by prey. However, bat pups often emit isolation ...

The capacitance characteristics of light emitting diodes (LEDs) are accurately measured using a method based on an alternating-current small signal, together with direct current I-V plot. All measured LEDs display negative capacitance (NC) at large forward bias. By analyzing the dependence of capacitance on both forward bias and ...

This paper introduces a way of modeling electromagnetic propagation in conductive materials, termed the method of finite sections. It addresses the issues of modeling frequency-dependent impedances and frequency-dependent coupling of conductors. Its use is demonstrated by application to transient modeling of a multi-mode coaxial cable system in the ...

Approximate analytic expressions are presented for evaluation of the frequency and angular dependence of synchrotron emissivity from mildly relativistic particles with arbitrary energy spectrum and pitch angle distribution in a given magnetic field. Results agree with previous expressions for a nonrelativistic Maxwellian particle distribution, and when ...

Dense granular media, fluidized by a vibrating wall, is studied in the high-vibrating frequency limit, where the plate vibration frequency is much greater than the collision frequency, and the plate acceleration is much greater than gravity. Using kinetic theory, it is shown that, regardless of the fluid density, external field, or ...

HVDC converter stations generate radio frequency (RF) electromagnetic (EM) noise which could interfere with adjacent communication and computer equipment, and carrier system operations. In order to calculate and predict the RF EM noise produced by the valve ignition of a converter station, it is essential to develop accurate models of station equipment ...

A new low-cost superheterodyne configuration, without acousto-optic modulator, is applied to the two-wavelength interferometry for absolute distance measurement. The principle relies on a synchronized frequency sweep of two optical signals, but with different frequency excursions. The frequency difference between the two optical waves ...

Previous studies show that phonation onset occurs as two eigenmodes of the vocal folds are synchronized by the interaction between the vocal folds and the glottal flow. This study examines the influence of the geometrical and biomechanical properties of the vocal folds on this eigenmode-synchronization process, with a focus on phonation threshold pressure and frequency. The ...

... The frequency of vibration was measured with a Frahm vibrating- reed tachometer, accurate to 0.5 percent of the frequency reading and with a ...

During the past decade, the plasma frequency probe (PFP) has evolved into an accurate, proven method

... The laser radar was able to accurately measure a target's vibrational frequency and amplitude for amplitudes greater than 40 nim The theoretical ...

For transition metals at temperatures to melting, the electronic entropy is calculated from linear muffin-tin orbital electronic densities of states (using both the atomic-sphere approximation as well as a full potential), the quasiharmonic entropy is calculated from neutron-scattering data, and the anharmonic entropy is then extracted from the measured entropy. The electronic entropy is large, ...

... Thus, the frequency dependence of clutter, of the signal-to ... indicate that an operating frequency of 1000 ... ln fact, operation at frequencies closer to the ...

... have been to determine frequency dependent source scaling ... significantly over narrow frequency bands defined ... P and S wave corner frequencies. ...

Spinal ligaments provide stability and contribute to spinal motion patterns. These hydrated tissues exhibit time-dependent behavior during both static and dynamic loading regimes. Therefore, accurate viscoelastic characterization of these ligaments is requisite for development of computational analogues that model and predict ...

The amplitude of a bottom simulating reflection (BSR), which occurs near the phase boundary between gas hydrate-bearing sediments and underlying gas-filled sediments, strongly depends on the frequency content of a seismic signal, as well as the impedance contrast across the phase boundary. A strong-amplitude BSR, detectable in a conventional seismic ...

An experimental apparatus and data acquisition system was constructed to acquire frequency dependent streaming potential coupling coefficient information. The purpose of the experiments was to validate the frequency dependent theories of Pride and Packard...

Frequency and core voltage dependence of single-event upsets in registers is discussed ... clock frequency dependence of the SEU of microprocessors. In Ref. ...

We study the low temperature dynamics of the classical Heisenberg antiferromagnet with nearest neighbor interaction on the frustrated pyrochlore lattice. We present extensive results for the wave vector and frequency dependence of the dynamical structure factor, obtained from simulations of the precessional dynamics. We also construct a solvable stochastic ...

The design of future high energy coolers relies heavily on extending the results of cooling force measurements into new regimes by using simulation codes. In order to carefully benchmark these codes we have accurately measured the longitudinal friction force in CELSIUS by recording the phase shift between the beam and the RF voltage while varying the RF ...

The combined availability of atomic clocks and of instrumented planetoids traveling in their own solar orbits will offer the possibility of determining their distance from us, and hence interplanetary distances, in terms of the wavelength of the radiation of atomic frequency standards. It can be anticipated that the accuracy of these measurements will be very high and will not ...

Applying a radio-frequency electric field to an expanding ultracold neutral plasma leads to the observation of as many as six peaks in the emission of electrons from the plasma. These are identified as collective modes of the plasma and are in qualitative agreement with a model of Tonks-Dattner resonances, electron sound waves propagating in a finite-sized, inhomogeneous ...

Despite numerous applications of time-domain reflectometry (TDR), serious difficulties exist in estimating accurate soil water contents under field conditions remain, especially in fine-textured soils. We developed a physically-based calibration model to predict the frequency and temperature depende...

Nondestructive evaluation (NDE) techniques are important for rapid on-site verification and monitoring of chemical munitions, such as artillery shells and bulk containers. Present NDE techniques provide only limited characterizations of such munitions. This paper describes the development of a novel noninvasive technique, swept-frequency acoustic interferometry (SFAI), that ...

Accurate determination of electronic transport properties of semiconductor wafers with modulated free carrier absorption (MFCA) and multiparameter fitting requires the total elimination of instrumental response from the MFCA signals. In this paper, an approach to eliminate the effect of instrumental response on the frequency dependence ...

The type of conductor, its property, and if a metal, its type and cross-sectional area can be obtained from measurements made at different frequencies for the amount of unbalance created in a previously balanced stable coil detection system. The true resistive component is accurately measured and thus reflects only the voltage loss attributable to eddy ...

We investigate torsional Alfven oscillations of relativistic stars with a global dipole magnetic field, via 2D numerical simulations. We find that a) there exist two families of quasi-periodic oscillations (QPOs) with harmonics at integer multiples of the fundamental frequency, b) the QPOs are long-lived, c) for the chosen form of dipolar magnetic field, the ...

We perform accurate calculations of the dependence of transition frequencies in two-valence-electron atoms and ions on a variation of the fine-structure constant, {alpha}=e{sup 2}/({Dirac_h}/2{pi})c. The relativistic Hartree-Fock method is used with many-body perturbation theory and configuration interaction methods to calculate ...

Results of precise measurements on the variation of drift cyclotron loss cone frequency and perpendicular wavenumber as a function of ion density are reported. Careful quantitative comparisons to theory are made. In particular, it was found that a local linear slab model accurately predicted the unstable mode frequencies, even under ...

This paper describes the design and initial testing of a coaxial cavity for microwave surface resistance (Rs) measurement. The cavity design is optimized so as to produce the maximum number of harmonic measurements using TEM modes, in order for accurate measurements of Rs versus frequency to be made. Results for Rs using 17 harmonics in the ...

Recent observations of new fast ion beam driven instabilities in MHz frequency range in National Spherical Torus experiments (NSTX) are suggested to be Compressional Alfvin Eigenmodes (CAEs). A new theory of CAEs applicable to low aspect ratio toroidal plasmas is developed based on the ballooning representation for the poloidal dependence of the perturbed ...

The paper presents a methodology for the closed form calculation of electromagnetic transients in power system networks, resulting from sequential switching operations. The system is viewed from the terminals of the switch poles where a compensating voltage source is applied for closing and a compensating current source is applied for opening of a pole. The network, with ...

Experimental studies of granular solids have shown that significant scattering effects restrict the accurate determination of material absorption in the terahertz (THz) region. The present work investigates the grain size dependent scattering contribution on the extinction spectra of Ammonium Nitrate, flour and salt between 0.2 to 1.2 THz using THz ...

In order to capture MR lag damper behavior accurately in the context of helicopter rotor dynamic analyses, a physically motivated rate-dependent elasto-slide model was developed based on the Bingham plastic model. This time-domain model uses a rate-dependent slide and a parallel viscous damper to simulate the yield behavior of the MR ...

... FLAWS ACCURATELY WITH ULTRASONICS, IT IS NECESSARY TO HAVE SUFFICIENT RESOLUTION IN EITHER THE TIME OR FREQUENCY ...

Using a high resolution SQUID voltmeter, measurements were made of the spectrum of low frequency voltage fluctuations across a thin-film Josephson tunnel junction biased at a constant current I greater than the junction critical current I/sub c/. The frequency dependence of the voltage spectrum V$sup 2$(f) may be ...

Elastic wave speed is one of the essential rock properties, and it is important for locating earthquake sources and estimating Earth�s structure. Usual seismic records contain up to ~ 10 Hz, whereas elastic wave records from laboratory measurements with rock sample contain the frequency from ~ 100 kHz to ~ 2 MHz. It is unclear whether elastic wave speed is independent of ...

The development of several ways of accurately yet efficiently modeled behavior of closely spaced microstrip antenna elements is shown. The accuracy was verified by comparison with brute force numerical procedures, and thus suggests that wideband microstrip antennas should be designable with much less difficulty than previously believed. Further, both experimental and numerical ...

A robust control of an active magnetic suspension requires an accurate plant model and proper model uncertainties. Moreover, the selection of control design performance weighting functions is not straightforward. In this paper, the design of a centralized H? controller of an active magnetic suspension is considered. Two design approaches are examined: an H? loop-shaping ...

A precise vector voltmeter (Princeton Applied Research Model 129, operated in the two-phase lock-in amplifier mode) is used in a microwave power calibrating system to accurately measure the outputs of a network analyzer (Hewlett Packard Model 8410 with Model 8411A harmonic frequency converter and Model 8413A phase-gain indicator). The validity of the ...

... Unsteady or time-accurate CFD modeling Competent smart munitions that can more accurately hit a ... cubic k-& model, depending on grid fineness. ...

Autoionizing resonances that arise from the interaction of a bound single-excitation with the continuum can be accurately captured with the presently used approximations in time-dependent density functional theory (TDDFT), but those arising from a bound double excitation cannot. In the former case, we explain how an adiabatic kernel, which has no ...

To better study frequency related e�ects such as attenuation and tuning, we developed a frequency dependent seismic re�ection analysis. Comprehensive tests on full waveform synthetics and observations from the Teal South ocean bottom seismic (OBS) data set con�rmed that normal moveout (NMO) stretch could distort both ...

Frequency domain analysis of time domain reflectometry waveforms has been shown to be useful for more accurate water content determination, water content determination in saline soils, and determination of such difficult to measure soil properties as specific surface area and soil solution conductivity. Earlier frequency domain ...

Optical heterodyning, also know as photomixing is an attractive solution as a single device able to cover the entire frequency range from 300 GHz to 3 THz. As the THz frequency is extracted from the difference frequency of two lasers, the accuracy with which the generated frequency is known is directly determined ...

... Title : Time and Frequency Dependent Behavior of a Two Dimensional Electron Gas at Long Wavelengths. Descriptive Note : Technical rept.,. ...

... Title : The Frequency Dependence of Tropospheric Scatter Propagation and its Relation to Stratified Turbulence. Descriptive Note : Final rept.,. ...

... Accession Number : AD0847275. Title : The Frequency Dependence of Backscatter from Rough Surfaces. Descriptive Note : Technical rept.,. ...

... Title : Temperature and Frequency Dependence of the Dielectric Constant and Volume Conductivity of Perchloro-p-xylene and Octachloro-p-xylene ...

... Title : Temperature and Frequency Dependence of Nuclear Spin-Lattice Relaxation in Single Crystals of Cadmium Selenide. ...

... Accession Number : AD0424878. Title : THE FREQUENCY-DEPENDENT ELECTRICAL CONDUCTIVITY OF POWDERS: NICKEL OXIDE,. ...

... Accession Number : AD0638901. Title : TEMPERATURE DEPENDENCE OF FREQUENCY AND EMISSION WIDTH OF THE R1 LINE OF RUBY. ...

... Title : Stress Dependence of the Raman Frequencies for Carbon Fibers and Residual Stresses in Metal Matrix Composites. ...

... Accession Number : AD0196502. Title : SOUND BEAM DIRECTIVITY: A FREQUENCY-DEPENDENT VARIABLE. Corporate Author : ...

... Title : REAL-TIME STUDY OF FREQUENCY DEPENDENCE OF ATTENUATION AND VELOCITY OF ULTRASONIC WAVES DURING THE ...

... Title : Models for the Frequency Dependence of Ultrasonic Scattering from Real Flaws. Corporate Author : TENNESSEE UNIV KNOXVILLE. ...

... Title : Measurement of the Frequency Dependence of the Sound Speed and Attenuation of Seafloor Sands From 1 to 400 kHz. ...

... Title : Frequency-Dependent Energy Absorption in the Body and Tail of the Rodent Carcass Exposed to Radiofrequency Radiation. ...

... Accession Number : ADD200473. Title : Frequency Dependent Fatigue Damage Modes in Composite Materials. Corporate Author : ...

... Accession Number : ADA329878. Title : Frequency Dependent Electrokinetic Studies of Rocks and Soils. Descriptive Note : Final rept. ...

... The authors report on the use of reflectivity measurements in the far infrared to obtain information on frequency and spatial dependence of the ...

... Title : Frequency Dependence of Ultrasonic Wave Velocity and Attenuation in Fiber Composites. Theory and Experiments,. Corporate Author : ...

... Title : Frequency Dependence of Ultrasonic Velocity and Attenuation in Two-Phase Composite Systems with Spherical Scatterers,. ...

... Title : Frequency Dependence of Two-Photon Resonances and Damping in Polymers. Descriptive Note : Technical rept.,. ...

... Title : Frequency Dependence of Radio Losses for Radar Systems in Forest Environments. Descriptive Note : Technical memo. ...

... Title : Frequency Dependence of Q in the Crust and Upper Mantle of China and Surrounding Regions, from Computations of Lg Q and the ...

... Title : Frequency Dependence of Effective Bottom Attenuation Due to Environmental Variability. Descriptive Note : Briefing charts. ...

... Accession Number : AD0191039. Title : FREQUENCY DEPENDENT EFFECTS IN ULTRASONIC RESONANCE TESTING. Corporate Author : ...

... Auditory Weighting Functions and Frequency-Dependent Effects of Sound in Bottlenose Dolphins (Tursiops truncatus) ...

Page 1. Auditory Weighting Functions and Frequency-Dependent Effects of Sound in Bottlenose Dolphins (Tursiops Truncatus) ...

... Title : Auditory Weighting Functions and Frequency-Dependent Effects of Sound in Bottlenose Dolphins (Tursiops truncatus). ...

... 35 The Frequency of Irregular Phonation: Dependence on Prosody 35 ... Chapter 4 The Frequency of Irregular Phonation: Dependence on Prosody ...

... Accession Number : AD0626157. Title : ANALYSIS OF THE FREQUENCY DEPENDENCE OF MAN-MADE RADIO NOISE,. ...

a frequency- and position-dependent complex magnetic permeability. The frequency - and position- dependent portion of the permeability is provided by a ...

... Title : A Frequency Dependent Ray Theory. Descriptive Note : Technical rept. ... Keywords: Ray theory; Acoustic propagation. ...

... The frequency dependence is investigated first. It is found that the magnetically induced velocity change is larger for lower frequencies, while the ...

High resolution frequency measurements of the 110 GHz gyrotron at TEXTOR and the 105 GHz mode of the two-frequency gyrotron (Odissey-1) at ASDEX Upgrade (AUG) have been made in support of fast ion collective Thomson scattering diagnostics. Measurements were done by harmonic heterodyne methods using both fast Fourier transform spectroscopy with digital ...

... Title : MEASUREMENTS OF THE ANGULAR AND FREQUENCY DEPENDENCE OF ACOUSTIC SURFACE WAVE SCATTERING FROM ...

The requirement on laser frequency noise in the Laser Interferometer Space Antenna (LISA) depends on