Abstract: To enhance antenna optimization efficiency, a common method involves constructing a surrogate model for the antenna. This model establishes a rapid mapping relationship between the antenna’s ...

The 2024 Summer Olympics have officially concluded, as athletes from more than 200 countries attended the closing ceremony in Paris on Sunday. Back To Top ...

A Social Security card is shown in Tigard, Ore., Oct. 12, 2021. (AP Photo/Jenny Kane, FIle) (Jenny Kane, Copyright 2021 The Associated Press. All rights reserved ...