Coherence and Phase between vibrations and microphones
Broadband phase coherence between an ultrafast laser and an OPO using lock-to-zero CEO stabilization
... 17. M. Prevedelli, T. Freegarde, and T. W. Hänsch, “Phase locking of grating-tuned diode lasers,” Appl. Phys. B 60, S241–S248 (1995). 1. Introduction Coherent pulse synthesis takes as its objective the piecewise ...
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Emergence of coherence and the dynamics of quantum phase transitions
... the coherence length caused by the trap can be captured in a dephasing picture: The difference in chemi- cal potential leads to a phase difference between lattice sites that increases linearly with ...
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EEG COHERENCE AND PHASE DELAYS: COMPARISONS BETWEEN SINGLE REFERENCE, AVERAGE REFERENCE AND CURRENT SOURCE DENSITY
... direction between brain structures by a modified Directed Transfer Function method (dDTF) Journal of Neuroscience Methods 125, 195-207, 2003 It is easy to understand why coherence is invalid when using an ...
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4 Coherence Selection: Phase Cycling and Gradient Pulses
... with phase angle zero, whereas that starting along –y has a phase angle of – π ...differentiate between the cosine and sine modulated parts of the signals by using two detectors fed with reference ...
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5. MICROPHONES AND LOUDSPEAKERS
... NECESSITY OF BAFFLES: Baffles are used to correct two characteristics of a loud speaker. The first characteristic is Sound waves produced by front side of diaphragm are out of phase with sound waves produced by ...
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Investigation of correlation between characteristics of Raman spectra and parameters of data scattering obtained from phase coherence theory
... correlation between variations in peak position, peak intensity and width of Raman scattering spectra with a number of measurands (scatter closeness and scatter radii) of “Trace Miner” toolkit based on ...
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Phase and coherence analysis of VHF scintillation over Christmas Island
... 2.2 Coherence and phase of the cross-wavelet transform Coherence of a cross-wavelet transform is defined as the covariance between one or more signals in a 2D time– frequency ...
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A phase coherence approach to identifying co-located earthquakes and tremor
... a phase coherence approach to identify seismic signals that have similar path effects but different source time functions: co-located earthquakes and ...a phase coherence-based implementation ...
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Wavelet phase coherence analysis:application to skin temperature and blood flow
... wavelet phase coherence analysis is introduced and used to explore relationships between oscillations on blood flow and temperature in the skin of 10 healthy ...
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Phase-Variance Optical Coherence Tomography - A Technique for Noninvasive Angiography
... position between successive depth scans and uses this information to calculate the flow component parallel to the imaging direction (called axial ...changes between successive depth scans, as imaging speed ...
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Phase coherence theory for data mining and analysis: application studies in spectroscopy
... Phase coherence theory also explains scatter closeness, which gives the Euclidean distance between the two centroids of the unexchanged data in the test and reference ...new coherence theory ...
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Analysis of spatial resolution in phase sensitive compression optical coherence elastography
... A potential application of OCE is in tissue engineering and cell mechanics [47]. Contemporary developments in this area seek to mimic the mechanical complexity of the extracellular environment, moving towards complex, ...
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Optical coherence tomography angiography at the acute phase of optic disc edema
... differentiation between ischemic and inflammatory optic neuropathies is not easy, and requires further ophthalmo- logic and non-ophthalmologic ...early phase could be ...
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"Killing spillage": an algorithm to reduce microphone spillage and improve phase coherence.
... Since the earliest days of multi-microphone live recording, the problem of spillage has dogged the sound engineer. Numerous strategies have evolved including microphone placement, acoustic screening, gating and ...
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Determining phase coherence time of stored light in warm atomic vapor
... the phase of the retrieval field is identical to that of the coupling light for ...retrieval-light phase coherence corresponds to the phase of the coupling light for ...longitudinal ...
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Monitoring coherence between the macro and microcirculation in septic shock
... relevant phase of the presence or absence of hemodynamic coherence is the resusci- tation ...this phase may have significant effects on the adequacy of resuscitation as it may result in both ...
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LARGE DIAPHRAGM CONDENSER MICROPHONES PERCEPTION MICROPHONES STAGE MICROPHONES
... High frequency waveguide, Radiation Boundary Integrator™, two 2255H 15" Differential Drive® low frequency loudspeakers with neodymium magnets, four 2250H 8" midrange cone tran[r] ...
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Microphones
... coil microphones with cardioid characteristic Over the years, the design of moving coil directional microphones has be- come a special science – to a much greater extent than with other ...large ...
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Implantable microphones as an alternative to external microphones for cochlear implants
... ear microphones relies on patients having a reliable middle ear transfer ...repeatable between ears, however the authors pointed out that the device did not exactly replicate linkage between a middle ...
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PROFESSIONAL MICROPHONES
... be an ideal setting for capturing two artists singing a duet or laying down a background vocal track. Having the two artists face each other while performing can help capture the emotions that may other wise be missed if ...
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