IEEE

Array Calibration and Digital Predistortion Training Using Embedded Near-Field Feedback Probes and Orthogonal Coding for Enhancing the Performance of Millimeter-Wave ...

Abstract: This letter proposes an active array calibration and digital predistortion (DPD) training method that relies on a series of measurement data captured using near-field (NF) probes embedded ...
Hosted on MSN

How to verify an identity using double angle formulas

👉 Learn how to evaluate the double angle of sine. The value of the sine of double a given angle can be obtained given the value of the sine of the angle. The value of the sine of double a given angle ...
IEEE

Target Elevation Estimation for Passive Radar Based on Double-Layer Uniform Circular Array

Abstract: This article investigates the target elevation estimation problem for passive radar based on a double-layer uniform circular array (DUCA). First, we propose a calibration method for the DUCA ...
The Guardian

Schools are using AI counselors to track students’ mental health. Is it safe?

As hundreds of schools implement an automated monitoring tool, educators say that students can find talking to a chatbot ‘more natural’ than confiding in a human Produced in partnership with EdSurge ...