time-domain analysis
"Raman assisted Vector Brillouin Optical Time Domain Analysis"
... The request for long-range (> 50 km) distributed fiber optic sensors for civil structure monitoring is progressively increasing every day due to the availability of new infrastructures crossing large unmanned areas. ...
5
Ultra long range Brillouin Optical Time Domain Analysis
... Optical Time Domain Analysis. A BOTDA, proposed for the first time in 1989, has attracted great interest in the lasts decades among the academic and industrial sectors due to its benefits when ...
130
Non local effects in dual probe sideband Brillouin optical time domain analysis
... Optical Time Domain Analysis (BOTDA) systems should be essentially negligible whenever the probe power is below the Stimulated Brillouin Scattering (SBS) ...
12
Raman assisted Brillouin optical time domain analysis with sub meter resolution over 100 km
... Optical Time Domain Analysis (BOTDA) cannot be trivially achieved due to several issues including: resolution-uncertainty trade-offs, self-phase modulation, fiber attenuation, depletion, ...optical ...
8
Brillouin optical time domain analysis over a 240 km long fiber loop with no repeater
... In order to avoid pump depletion and nonlinear effects in the fiber, the power of the Raman pumps, Brillouin pump and probe signals were carefully adjusted. In particular, by knowing that the maximum Brillouin pump power ...
5
Brillouin optical time domain analysis assisted by second order Raman amplification
... Abstract: We propose and experimentally demonstrate a new method to extend the range of Brillouin optical time domain analysis (BOTDA) systems. It exploits the virtual transparency created by ...
12
Analysis of Financial Time Series, Wiley
... with analysis of high-frequency financial data and its application to market ...of time duration between trades and some econometric models for analyzing transactions ...multivariate time series anal- ...
638
Unified modelling of simplified musical instruments in time domain
... characteristic time intervals any more due to the infinite (and uncountable) number of “characteristic lengths” associated with the infinite number of straight paths going from the excitation point to the ...
6
Cardiac autonomic activity predicts dominance in verbal over spatial reasoning tasks : results from a preliminary study
... Participants were asked to perform the Bennett-Seashore-Wesman Differential Aptitude Test, with components of verbal and spatial abilities (Bennet G et al., 1999). Briefly, the test includes multiple choice questions ...
15
Optimized Long Range and High Resolution Brillouin Optical Time Domain Analyzers
... in 1996 [24], in which they overcome the problematic of suffering laser drifts (originating from the use of two different laser sources) by shaping both the pump and the probe from a unique and common master laser. Using ...
174
MODELING PRINCIPLES FOR TIME-DOMAIN SIMULATIONS OF WIND INSTRUMENTS IN PLAYING SITUATIONS
... simplified time-domain models can be included in this proposed modeling scheme and on the other hand that existing physical models can enrich and enhance wind instrument simulations and ...
6
TIME-DOMAIN SIMULATION OF REED WOODWINDS WITH APPLICATION TO MUSICAL SOUND SYNTHESIS
... For application in a musical context, the final physical model that is used for the simulation of woodwind tones should fulfil a certain set of criteria. Jaffe [1] has discussed a large set of criteria for sound ...
6
TítuloFractional order identification based on time domain methodology for hydraulic canal system
... A Pseudorandom binary signal (PRBS) finds appli- cations over many disciplines for system identifi- cation. The frequency spectrum of the PRBS is known as an approximation of the limited band- width of the white noise, ...
6
Multiscale entropy analysis of electroseismic time series
... the time-series length and is uniformly lower than expected for short series and, (b) it lacks relative consistency in the sense that if value of ApEn for a time-series is higher than that of another, it ...
6
TítuloNew methodological contributions in time series clustering
... Related to the above consideration and given the broad range of available dissimilarities, other major issue arises in a natural way, namely to decide which dissimilarity measure should be used in a particular problem. ...
212
TIME-DOMAIN SIMULATION OF A GUITAR
... One of the main difficulties results from the size of the problem. It is a three-dimensional problem in a domain of infinite size and with a complex geometry. The most efficient method would be to use use a ...
6
Aplicacin de Kernels ptimos para mejorar la deteccin de actividad ventricular tarda
... The tissue zone damaged by an infarct goes through a physiological process in a healing effort. In any event, the tissue makes a partial recupera- tion and its effects carry in many cases lethal con- sequences because ...
7
A Study on analysis of intracranial acoustic wave propagation by the finite difference time domain method
... As shown in Fig. 7, the heterogeneous head model [1] was consisted of seven tissues, bone, brain, muscle, eye, fat, skin and lens. The model of cell size was 2.5 mm and the number of lattice was 100 in length, 100 in ...
6
ANALYSIS OF A TIME-DOMAIN METHOD TO COMPUTE ULTRASONIC FIELD THROUGH INTERFACES
... The time-averaged discrete impulse response [5] is the applied computational solution used to calculate the velocity potential impulse responses at the interface and at the point P, respectively, equation (5) and ...
6
Sleep wake differences in heart rate variability during a 105 day simulated mission to Mars
... Subjects’ reports of waking and sleeping times and actigraphy records were not available for the pilot study. In general, visual inspection of the individual records showed a typical fall of heart rate during the night, ...
6