نتایج جستجو برای: reconstructed phase space

تعداد نتایج: 1081890  

Journal: :European Physical Journal D 2021

We provide a brief review of how phase space techniques are explored within strong-field and attosecond science. This includes broad overview the existing landscape, with focus on ionisation rescattering, high-order harmonic generation, stabilisation free-electron lasers. Furthermore, using our work subject, which deals dynamics in atoms diatomic molecules as well generation inhomogeneous field...

Journal: :Materials Today 2008

Journal: :Physical Review Letters 2015

2003
W. H. Hsiao E. Ip R. P. Millane

The relative effects of spectral amplitude and phase errors on reconstructed images is studied in terms of the expected mean-square-error in the image. An appropriate mean-square-error appears to be that between reconstructed and original images that are scaled to have the same energy. Such an error metric appears to reflect the overall perceived quality of the images. Approximate relationships...

2007
Wenjing Zhou Yingjie Yu

Digital micro-holography technique, a combination of digital holography with microscopy, can be used to measure and analyse the micro-structure and status information of samples when the digital hologram registered is reconstructed numerically by some numerical methods based on the principle of scalar diffraction or coherent image. By summarizing the development of digital micro-holography, Fre...

Journal: :NMR in biomedicine 2015
Tamer A Basha Mehmet Akçakaya Beth Goddu Sophie Berg Reza Nezafat

The aim of this study was to implement and evaluate an accelerated three-dimensional (3D) cine phase contrast MRI sequence by combining a randomly sampled 3D k-space acquisition sequence with an echo planar imaging (EPI) readout. An accelerated 3D cine phase contrast MRI sequence was implemented by combining EPI readout with randomly undersampled 3D k-space data suitable for compressed sensing ...

2000
Y Yacoby R Clarke

We describe a new x-ray method for the direct measurement of structures which have two-dimensional (2D) periodicity, and are positionally correlated with an underlying substrate crystal. Examples include reconstructed crystal structures at interfaces, layered heterostructures, crystalline–amorphous interfaces, and self-assembled structures on crystalline substrates. The structure is obtained by...

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