Abstract: Photoplethysmography (PPG) monitoring can provide vital signs like heart rate (HR), heart rate variability (HRV), and blood oxygen saturation $\left(\mathrm{SpO}_{2}\right)$ non-invasively.

Abstract: A comparison between two-phase and three-phase interlaced DC converter with parallel MOSFET is presented. PWM is evaluated using a two-way DC-DC converter to charge and discharge a battery.

Statement 1: A rational function has a vertical asymptote where the denominator is zero. The denominator x - 2 = 0 when x = 2 ...

Predicting Values: Once you have a linear equation that represents a relationship, you can use it to predict values. For ...

U.S. Immigration and Customs Enforcement is considering hiring private bounty hunters to locate immigrants across the country, according to a procurement document reviewed by The Intercept. Under the ...