https://archive.is/oEEO9

In the paper, Feng and his colleagues disclosed a novel antenna design that can resist strong electromagnetic radiation while receiving high-precision positioning signals from the BeiDou military frequency band.

They also provided detailed information on the special internal structure of the BeiDou signal receiver. During the launch of a shell, this receiver endures a force exceeding 25,000 times that of Earth’s gravity. Any flaw in its construction, such as the disconnection of wire interfaces, could lead the shell astray. Also, as the shell hurtles through the air, it generates intense heat due to friction. To counter this, the Chinese scientists used a cost-effective, mass-produced aerogel – a remarkable feat of engineering – as a thermal barrier.

The navigation software for the weapon posed another significant hurdle. Unlike the steady course a vehicle takes on a road, shells whirl and sway erratically during flight, especially when altering course in varying air densities. To mitigate this issue, the team devised a straightforward, yet potent, algorithm that ensures uninterrupted satellite communication throughout the shell’s trajectory.

Papers published by Chinese military scientists in open academic journals undergo rigorous security checks. It is unclear why China chose to disclose this progress at this time.

“Why would China open science instead of hiding tech like ?”