Abstract: Dictionary learning is widely used in fault diagnosis due to its strong representational capability. However, weak high-speed bearing fault signals are dense in the time domain and sparse in ...

That innocent photo might expose where you live.

When you use DPReview links to buy products, the site may earn a commission. Updated March 5th, 2026 Well over a decade after Panasonic introduced the first mirrorless camera, they now dominate the ...

Learn camera basics for beginners, including ISO, aperture, shutter speed, focus modes, composition tips, and common mistakes ...

The national champion Indiana Hoosiers just keep making history. Less than two months after winning their first national ...

Abstract: Motor vehicles typically exhibit a “speed-varying range” (SVR) characteristic. For battery-powered electric vehicles (BEVs), the range diminishes at higher speed. This characteristic greatly ...