In this paper, we propose a modified millimeter wave band RIS-assisted end-to-end MIMO channel model, in which the transmission line model is adopted to analyze the RIS element with microdamage.

Facing the complex environment of surface and underwater, unmanned surface system cluster is the key research direction of future military unmanned system equipment. In this paper, simulation modeling ...

Windows 10 KB5063159 (June 16) is an out-of-band update to replace the existing KB5060533 (June 10 2025, Patch Tuesday release).

Microsoft has released an out-of-band update to deal with a Surface Hub problem introduced with June's Patch Tuesday fixes. The problem arrived in KB5060533 for Windows 10 21H2 and 22H2 and left ...

The issue does not affect the Surface Hub 2S and 3, but afflicted Surface Hub v1 devices would fail to start and show the error: "Secure Boot Violation: Invalid signature detected. Check Secure Boot ...

Microsoft added that a "limited number of Surface Hub v1 devices" no longer start because of this known issue, and it will soon provide the steps needed to recover.

The issue triggered a “Secure Boot Violation: Invalid signature detected” message, effectively bricking affected units. Surface Hub 2S and 3 weren’t impacted, but Microsoft quickly flagged the problem ...

Check Secure Boot Policy in Setup Surface Hub 2S and 3 should not be affected. On June 11, Microsoft claims to have already taken countermeasures to protect other Surface Hub v1s from this fate.

Microsoft says that "Surface Hub v1 devices might fail to start with the following error: 'Secure Boot Violation. Invalid signature detected. Check Secure Boot Policy in Setup." ...

The Indian Army is likely to get the indigenous Quick Reaction Surface-to-Air Missile (QRSAM) system in a deal estimated at ₹30,000 crore, strengthening India's short-range air defence capabilities.

Functionally, it’s a very well-built game. In a minimalist world, you are a tiny being attempting to chart various giant Nintendo Switch 2 accessories – the console, Joy-Con 2s, the racing wheel, the ...

The Indian Army may soon get a new indigenous surface-to-air missile system. The Defence Ministry is likely to take up the proposal for buying three regiments of the indigenous Quick Reaction ...