During femtosecond laser fabrication, photons are mainly absorbed by electrons, and the subsequent energy transfer from electrons to ions is of picosecond order. Hence, lattice motion is negligible ...

First-order derivatives: n additional function calls are needed. Second-order derivatives based on gradient calls, when the "grd" module is specified (Dennis and Schnabel 1983): n additional gradient ...

Global growth is projected at –4.9 percent in 2020, 1.9 percentage points below the April 2020 World Economic Outlook (WEO) forecast. The COVID-19 pandemic has had a more negative impact on activity ...

Abstract: Josephson traveling-wave parametric amplifiers (JTWPAs) are critical for superconducting quantum computers in enabling simultaneous high-fidelity measurements of many qubits. Despite their ...

The full moon names for each month, why they're named so and what we can expect from these lunar events. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Abstract: In recent years, deep learning techniques support hyperspectral anomaly detection (HAD). However, existing methods based on background reconstruction and anomaly suppression overlook a ...