The Fund seeks a high level of income exempt from federal income tax by investing at least 80% of its net assets, plus any borrowings, in municipal bonds. The Fund invests, under normal market ...

Abstract: 3D object detection has garnered significant attention within the academic community, primarily due to its broad utility in domains such as autonomous driving and robotics. Prior research ...

Abstract: Wideband tightly coupled arrays (WTCAs) are essential components of modern advanced communication systems. However, the inevitable mutual coupling will lead to severe beam deterioration ...

College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, China Key Laboratory of Unconventional Natural Gas Evaluation and Development in Complex Tectonic Areas, ...