نتایج جستجو برای: wave analysis
تعداد نتایج: 2999360 فیلتر نتایج به سال:
Two approaches are used to assess the distribution assumptions. One is by implementing numerically convoluted, theoretical Goodness of Fit (GoF) tests such as the Chi Square, Anderson Darling or Kolmogorov-Smirnov. Their lengthy calculations often require the use of specialized software, not always readily available. On the other hand, there exist practical procedures that are easy to understan...
In the past, different works based on numerical simulations have been presented to explain magnetic fields (MFs) in the large scale structure and within galaxy clusters. In this review, I will summarize the main findings obtained by different authors and even if many details are still unclear I will try to construct a consistent picture of our interpretation of largescale magnetic fields based ...
Based on 7.8 million J/ψ events collected at BEPC, the events for J/ψ → pp̄π and pp̄η have been selected and reconstructed. Clear peaks are observed around 1480 MeV in pπ(p̄π) invariant mass spectrum and near the threshold for η production in pη(p̄η) invariant mass spectrum. A partial wave analysis of J/ψ → pp̄η data has been performed. Two J = 1 2 − resonances are observed with mass and width (M, Γ...
We present a partial-wave analysis of the polarization data for the reaction ~ p~ p → ppπ◦, based solely on the recent measurements at IUCF for this channel. The fit leads to a χ2 per degree of freedom of 1.7. Methods for an improved analysis are discussed. We compare the extracted values to those from a meson exchange model.
The mechanics of dispersion transverse to the direction of fluid flow was studied faoth analytically and experimentally. A discussion of the overall mechanism is presented and the analytical expressions obtained are compared with experimental data. Correlation between experimental and theoretical results for the spread of a tracer is fair. However, from the data available an initial approximati...
The diffraction of obliquely incident surface waves by an asymmetric trench is investigated using linearized potential theory. A numerical solution is constructed by matching particular solutions for each subregion of constant depth along vertical boundaries ; the resulting matrix equation is solved numerically. Several cases where the trench-parallel wavenumber component in the incident-wave r...
Recent results on the inner disk oscillations found in GRS 1915+105 are reviewed. QPOs during the low state are used as a marker for such oscillations and the physical picture emerging from a combined X-ray spectral and timing analysis is examined. The relationship between inner disk oscillations and synchrotron radio emission is critically evaluated.
We present a detailed analysis of a scalar conformal four-point function obtained from AdS/CFT correspondence. We study the scalar exchange graphs on AdSd+1 and discuss their analytic properties. Using methods of conformal partial wave analysis, we present a general procedure to study conformal four-point functions in terms of exchanges of scalar and tensor fields. The logarithmic terms in the ...
BACKGROUND Detection of characteristic waves, such as QRS complex, P wave and T wave, is one of the essential tasks in the cardiovascular arrhythmia recognition from Electrocardiogram (ECG). METHODS A multiscale morphological derivative (MMD) transform-based singularity detector, is developed for the detection of fiducial points in ECG signal, where these points are related to the characteris...
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