Abstract: A calibration method based on orbital angular momentum (OAM) is proposed for gain-phase errors in uniform circular array (UCA). The idea of the method is to construct an objective function ...

The German economy shrank by 0.3% quarter-on-quarter from April to June, according to figures released by the Federal Statistical Office on Friday. That’s worse than the initial estimate of -0.1% and ...

Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi’an 710069, China ...