Singular value decomposition (SVD) theory ... signal of mechanical equipment, so as to achieve the effective extraction of fault features. Due to the unique properties of SVD, it has been widely ...

At the time, only specialized analog type equipment was available in the industry, and this would result in huge costs to replace signal controller hardware, with limited opportunity to introduce ...

A 17-year-old girl was killed and six teenagers were injured in a shooting at a party in Signal Hill on Saturday night when several gunman opened fire into the crowd. The Signal Hill Police ...