Abstract: Accurate parameter estimation of linear frequency modulation (LFM) pulses is important for passive radar detection. However, due to the increasingly complex electromagnetic environment, the ...

The Oort Cloud is a massive, invisible shell of icy objects that surrounds our entire solar system. It starts thousands of times farther away than Pluto and stretches nearly a light-year into space.

Abstract: Taking human-robot collaborative assembly as an example, the methods based on contact forces can improve the assembly efficiency of industrial robots with large components in industrial ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what you’ll need to catch a glimpse. Interstellar comet 3I/ATLAS streaks across ...

We’re halfway through December, and there still isn’t enough snow in the mountains for Stevens Pass to open. Many are wondering: Can I get a refund for my lift tickets or season pass? The answer ...