IEEE

A Method of Array Gain and Phase Error Calibration and Direction of Arrival Estimation for Uniform Linear Array

Abstract: In this paper, we consider the problem of array gain-phase error self-calibration and direction of arrival (DOA) estimation for uniform linear arrays. We ...
marktechpost

Sea AI Lab Researchers Introduce Dr. GRPO: A Bias-Free Reinforcement Learning Method that Enhances Math Reasoning Accuracy in Large Language Models Without Inflating Responses

A critical advancement in recent times has been exploring reinforcement learning (RL) techniques to improve LLMs beyond traditional supervised fine-tuning methods. RL allows models to learn optimal ...
IEEE

Large Array DOA Estimation Method Based on VMD-NGOELM

Abstract: In addressing the severe interference caused by noise issues in complex environments and the high-dimensional covariance matrix problem arising from large arrays during target azimuth ...
BBC

How to visualise multiplication with an array

The array method only works when one of the numbers being multiplied is bigger than 10. Look at both numbers and, where necessary, split into tens and ones. Draw out a rectangle. Label the top of the ...
BBC

Operations/calculations

Learn about multiplication and division with BBC Bitesize Key Stage 3 Maths. WATCH: How to visualise multiplication with an array An array is a way of visualising a calculation. See how to use one to ...