Understanding the Ulcer Index: A Guide to Measuring Downside Risk

Learn how the Ulcer Index measures downside risk through depth and duration of declines. Discover its calculation and ...
IEEE

Low-Profile Inductor Design for High-Current Vertical Power Delivery Voltage Regulators

Abstract: In high-current applications, vertical power delivery (VPD) architectures require highly compact inductors to maintain power integrity. However, the nonlinear relationship between magnetic ...
IEEE

Microstrip Vertical Transition Design With Ultra-Broadband Passband

Abstract: Two broadband microstrip-to-microstrip vertical transitions are presented in this letter. The basic structure of the two proposed microstrip vertical transitions is based on the broadside ...
AeroTime

Vertical Aerospace: how airlines helped shape the design of new Valo eVTOL

Vertical Aerospace has unveiled its new electric vehicle and takeoff (eVTOL) aircraft Valo at an exclusive high-profile event in London’s Canary Wharf. Among the speakers on December 10, 2025, were ...