Abstract: Noise of hyperspectral images is inevitable due to the factors of hyperspectral imaging systems, damage sensors, and physical environments. However, the existing hyperpansharpening methods ...

Frequency Electronics, Inc., together with its subsidiaries, engages in the design, development, manufacture, marketing, and sale of precision time and frequency control products and components for ...

Frequency combs are light sources with a spectrum that comprises a series of sharp, equally spaced lines. The frequencies of these lines are known to a very high degree of accuracy, which makes ...