Abstract: In this article, a general method for implementing flexible filter design based on nested substrate integrated waveguide (SIW) circular cavity and cambered cavity is proposed. The unique ...

A GDAL readable raster of D8 flow directions. We use the ESRI/Arc D8 convention of representing directions with increasing powers of 2 (i.e., 1, 2, 4, 8 etc.) with sink pixels indicated by 0. We ...

Terms apply to American Express benefits and offers. Visit americanexpress.com to learn more. Any time you tap, swipe or dip a credit or debit card at checkout or enter your card number online, you ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Charlene Rhinehart is a CPA , CFE, chair of ...

Daniel Liberto is a journalist with over 10 years of experience working with publications such as the Financial Times, The Independent, and Investors Chronicle. Somer G. Anderson is CPA, doctor of ...

Statistical methods are mathematical formulas, models, and techniques that are used in statistical analysis of raw research data. The application of statistical methods extracts information from ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

ABSTRACT: Background: Malaria has been one of the major causes of death in Ghana, especially in children. Appropriate diagnosis is important in the treatment of malaria. Microscopy is the gold ...

Objectives To investigate vaccination coverage for influenza and COVID-19 in the SARS-CoV-2 immunity and reinfection evaluation (SIREN) study cohort of healthcare workers (HCWs) between 2020 and 2023 ...