The Bond Buyer

With active security selection, airport bonds can add ballast as geopolitics rattle markets

Historically, the airport sector has provided reliable cash flow for municipal bond investors, while demonstrating unique credit resiliency, even during periods of crisis such as after 9/11 and during ...
The Independent

Baltimore cop wounded after burglary call turns into hostage situation near synagogue

The latest headlines from our reporters across the US sent straight to your inbox each weekday Your briefing on the latest headlines from across the US A police officer was injured and a suspect was ...
IEEE

On Compensation Function Observer-Based Active Disturbance Rejection Control for MIMO Uncertain Systems and Its Application to 2-DOF Helicopter System

Abstract: This article investigates the control problem for multiple-input multiple-output systems with nonlinear uncertainties. By introducing a prediction-correction mechanism, a new compensation ...
IEEE

A Unified Loss Function to Tackle Inter-Class and Intra-Class Data Imbalance in Sound Event Detection

Abstract: Data imbalance is an important issue in data-driven deep-learning methodologies. In sound event detection (SED), there are two types of data imbalance issues caused by the diverse time ...