Micromotion frequency is one of the key features to distinguish space targets from decoys. The radar echoes scattered from multiple space targets overlapped in the time and frequency domain, which ...

Abstract: The challenge of mitigating interference in Space-Air-Ground Integrated Networks (SAGINs) is exacerbated by the inherent channel uncertainty, which arises due to dynamic weather conditions, ...

NASA’s Space Communications and Navigation (SCaN) Program and the Johns Hopkins Applied Physics Laboratory in Laurel, Maryland, have successfully tested wideband technology that allows spacecraft to ...

As NASA and the US look toward a new era of private space stations, startup Max Space is developing expandable orbital modules. This week, Dec. 17, the company announced new plans to build its own ...

The interstellar comet will pass safely by Earth, giving astronomers their best chance to study it up close. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Section 1. Purpose. Superiority in space is a measure of national vision and willpower, and the technologies Americans develop to achieve it contribute substantially to the Nation’s strength, security ...

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Congress wants to know why the Space Force needs a special operations component command, and wants answers before any taxpayer money is spent on creating it. The then-head of U.S. Special Operations ...

A few weeks ago, technicians inside a cavernous clean room in Maryland made the final connection to complete assembly of NASA’s Nancy Grace Roman Space Telescope. Parts of this new observatory, named ...

After downloading the WSIs, please use the CLAM repository to pre-process the WSIs and extract the features. The features should be put into the ./data directory. Then, use the h5toPyG.ipynb notebook ...