Abstract: To combat the Doppler shift caused by high mobility, orthogonal time frequency space (OTFS) systems have been proposed to convert the timevarying channel into a nearly time-invariant channel ...

Abstract: For any linear and time-invariant system, its output is the linear convolution between the variable input sequence and the constant system impulse response. When the input is long and the ...

A new technique developed at the University of Helsinki uses fatty acids, hydrogen peroxide and visible light to dissolve and recover silver from waste, offering a safer alternative to conventional ...

Retired, Institute of Professional Geologists, San Antonio, USA. From the late 1960s through approximately 1991, the Nebraska Department of Environment and Energy (NDEE) and its predecessors, the ...

Expert DIYer April Wilkerson shares tips for making straight, accurate cuts with a circular saw. Tucker Carlson urges "civil disobedience" if Trump DOJ targets hate speech Trump Suffers Major Legal ...

In this video, learn to create a circular saw cutting guide. Ukraine reportedly agrees to U.S.-brokered peace proposal Volcano erupts for first time in 12,000 years: "Like a sudden bomb" Trump admin ...

To address the issues of low accuracy, high dependence on prior knowledge, and poor adaptability in fusing multi-channel features in existing plunger pump fault diagnosis methods, a new method based ...

The need to move on from dirty energy sources such as oil is well-established, but though it may not get as much attention, the need to move on from oil-based products is incredibly important as well.

A team of European researchers has developed a method to identify hazardous chemicals in two of the most dominant waste types: sewage sludge and electronic waste (WEEE). The new technique, based on ...

In a groundbreaking discovery, researchers from Florida Atlantic University’s Charles E. Schmidt College of Medicine have identified a never-before-seen mechanism that enables the human ...