Abstract: In this paper, a low-cost K-band phased array antenna is designed for LEO satellite communication. The design reduces the number of T/R components by allowing multiple elements to share a ...

WASHINGTON — Maxar Intelligence announced an agreement with radar imaging startup Array Labs to secure capacity on its constellation set to launch in 2026. Array Labs, based in Palo Alto, California, ...

This is the initial release of GM-SEUS (version 1.0). All input datasets and solar panel-row delineation results are up-to-date through December 11th, 2024. The Zenodo repository for the data can be ...

Abstract: Simultaneous consideration of uniform degrees of freedom (uDOF) and mutual coupling is a key focus in sparse array design. To reduce mutual coupling and increase degrees of freedom (DOF), a ...

Second-generation beamforming refers to advanced designs using more sophisticated signal processing algorithms, larger antenna arrays, and the ability to generate higher quality, more focused beams ...

Given an array of positive integers nums, return the maximum possible sum of an ascending subarray in nums. A subarray is defined as a contiguous sequence of numbers in an array. A subarray [numsl, ...

WASHINGTON — Defense contractor Raytheon is partnering with satellite imaging startups Array Labs and Umbra Space to develop advanced three-dimensional Earth observation technologies for the ...

The AN/SPY-7(V)2 EDM, installed on a test tower at Lockheed Martin's Moorestown, New Jersey, facility, achieved a first live track in December 2024. (Lockheed Martin) The Lockheed Martin Rotary and ...

China has announced plans to build a giant solar power space station, which will be lifted into orbit piece by piece using the nation's brand-new heavy lift rockets. When you purchase through links on ...