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Efficacy of zero echo time pulmonary MRI for RECIST 1.1 response classification in lung cancer: a prospective study. [PDF]

open access: yesQuant Imaging Med Surg
Li Z   +9 more
europepmc   +1 more source

On the Group of Zero-Sequence

open access: yesOn the Group of Zero-Sequence
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Optimization of zero-sequence voltage compensation for zero-sequence directional elements

Electric Power Systems Research, 2021
Abstract Compensating zero-sequence voltage measured is an effective measure to improve the sensitivity of zero-sequence directional overcurrent protections. However, when applied to double circuit power supply system, it may lead to misjudgment of zero-sequence directional elements.
Hao Xu   +6 more
exaly   +2 more sources

New Sequences with Zero Autocorrelation

Problems of Information Transmission, 2002
The authors give a new construction method for unimodular delta-correlated sequences of length \(p\) (a prime). This method uses so-called Gauss periods. In the case \(p=3f+1\) it is shown that the elements are defined by roots of a polynomial of degree 12 over \(\mathbb{Z}\) (the integers) for one family and by roots of a polynomial of degree 6 for ...
Ernst M. Gabidulin, Vitaly V. Shorin
openaire   +1 more source

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