نتایج جستجو برای: systematic errors

تعداد نتایج: 421012  

2015
Frank Vignola

Rotating Shadowband Pyranometers (RSPs) have been deployed to measure global, beam, and diffuse irradiance because they do not require manual adjustment of trackers. However, a RSP requires the use of solar cell based pyranometers which underestimate diffuse irradiance by 20-30% under clear sky conditions. Algorithms were derived to address many of the systematic errors in solar cell based meas...

Journal: :Journal of magnetic resonance 1998
M Zweckstetter T A Holak

Application of AFP (adiabatic fast passage) pulses for removal of systematic errors associated with multiple spin-echo sequences is demonstrated. The adiabatic fast passage pulses facilitate minimization of cumulative pulse errors for all three components of magnetization. It is also shown that off-resonance effects present in conventional CPMG sequences which degrade image quality in magnetic ...

Error is an inevitable part of life and cannot be completely eliminated, but it can be minimized. A root cause analysis is a technique for understanding the systematic error causes that is involved beyond a person or people to implement an errors and including field and environmental causes of errors when occur in this situation too. An important factor of an error occurrence is a root cause (c...

Journal: :Journal of neurophysiology 1999
C J Ploner S Rivaud-Péchoux B M Gaymard Y Agid C Pierrot-Deseilligny

Behavioral studies in monkeys and humans suggest that systematic and variable errors of memory-guided saccades reflect distinct neuronal computations in primate spatial memory. We recorded memory-guided saccades with a 2-s delay in three patients with unilateral ischemic lesions of the frontal eye field and in three patients with unilateral ischemic lesions of the frontal eye field and the dors...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2004
Giovanni Ossola Alan D Sokal

We show that linear congruential pseudo-random-number generators can cause systematic errors in Monte Carlo simulations using the Swendsen-Wang algorithm, if the lattice size is a multiple of a very large power of 2 and one random number is used per bond. These systematic errors arise from correlations within a single bond-update half-sweep. The errors can be eliminated (or at least radically r...

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