نتایج جستجو برای: phase sampling method

تعداد نتایج: 2278893  

2014
Lan Ma Dongjie Bi Houjun Wang

A new method for detection of parametric faults occurring in analog circuits based on relative amplitude and relative phase analysis of the Circuit Under Test (CUT) is proposed. The relative amplitude is the common power change of the signals and the relative phase presents the relative phase offset of the signals. In the proposed method, the value of each component of the CUT is varied within ...

Journal: :The journal of physical chemistry. B 2012
Qing Lu Jaegil Kim John E Straub

The generalized replica exchange method (gREM) is applied to simulate a solid-liquid phase change in an adapted Dzugutov model system. The idea of gREM is to incorporate the merit of sampling from a generalized ensemble into the replica exchange paradigm. The generalized ensemble weights are determined from effective temperatures tailored for this system, through an inverse mapping strategy. Th...

2007
Rong Liu Hao Zhang

Kernel related algorithms, including spectral techniques, have found their use in a variety of fields. However, the construction and eigendecomposition of the Gram matrix necessitate efforts to reduce the computational overhead. One particular interesting approach used for this purpose is Nyström method. In this paper, we study the sampling problem for Nyström method. To measure the quality of ...

2002
W. liu J. Chen J. S. Allen S. A. Wickline X. Yu

Characterization of myocardial deformation in genetically manipulated mouse models with MR tagging provides new opportunities for elucidating the molecular mechanisms of cardiac function. However, tagging on murine hearts presents additional challenge because of the requirement for high tagging and imaging resolution. The high heart rate of mice renders EPI or segmented k-space sampling impract...

2008
Vadim Zavalishin

The article describes a method for approximately preserving the shape of discrete-time LTI system amplitude and phase responses while changing the frequency scale. The typical application cases include cutoff or sampling rate changes. Two versions of the method are presented, a simple and a topologypreserving one.

2008
A. Sherstnev

In the note we consider an iterative generalisation of the rejection sampling method. In high energy physics, this sampling is frequently used for event generation, i.e. preparation of phase space points distributed according to a matrix element squared |M |2 for a scattering process. In many realistic cases |M |2 is a complicated multi-dimensional function, so, the standard von Neumann procedu...

Abbas Khorshidi Hamidreza Saeednia, Maryam Abadi

The current research has been conducted to provide a model for customer experience management in the mobile banking industry for customers of commercial banks in Dubai. An explorative mixed methods research (qualitative and quantitative) was used in the research. Data were gathered in both qualitative phase (based on grounded theory) and quantitative phase (based on cross-sectional survey metho...

Journal: :Journal of chromatographic science 2008
M Malm J Lindkvist Y Bergqvist

A bioanalytical method is developed and validated for determination of sulfadoxine (SD) and sulfamethoxazole (SM) in 100 microL capillary blood dried on sampling paper (Whatman 31ET Chr). SD and SM are extracted with 2000 microL perchloric acid and the liquid phase is loaded onto ENV+ solid-phase extraction columns. SD, SM, and the internal standard are separated on a Purospher STAR RP-18 liqui...

2013
Qianqiang Lin Zengping Chen Yue Zhang Jianzhi Lin

In order to eliminate the negative influence of the rotational phase component (RPC) of target prominent scattering centres on the performance of Doppler centroid tracking (DCT) method, a coherent phase compensation method is proposed. The coherence of echo pulses sampled directly in intermediate frequency (IF) is firstly analyzed and proved. Based on the coherence property, the proposed approa...

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