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Perched atop a high plateau in Chile’s Atacama Desert, a long-awaited observatory is beginning to take shape: the largest suite of ground-based telescopes
Physicist Jun Ye has a knack for making every second count—literally. At JILA, a joint research institute of the University of Colorado and the National
A groundbreaking new image taken by the Atacama Cosmology Telescope (ACT) in Chile reveals the most detailed map ever taken of the distribution of dark matter
NIST’s Material Measurement Laboratory and Communications Technology Laboratory are developing a new spectroscopy for intermolecular interactions. The team is
Imaging in the terahertz frequency range enables the detection of concealed weapons and other contraband (e.g., explosives under clothing) without the use of
The Noise Thermometry Project is applying quantum-based voltage waveform synthesis to a precision measurement of Boltzmann's constant k B by developing a
Emergency response , l aw enforcement and military personnel must face threats and dangerous situations as part of their jobs. These threats can vary from
Chiehping Lai, Jelena Senic, Camillo Gentile, Nada T. Golmie
Accurate channel propagation modeling of foliage is critical to the design and deployment of wireless networks, given its pervasive nature in rural, suburban
Ameya Ramadurgakar, Kate Remley, Dylan Williams, Jake Rezac, MELINDA PIKET-MAY, Rob Horansky
Standard formulations of error vector magnitude compare a wireless device's symbol constellation to an ideal reference constellation. In this work, we utilize
After a five-year renovation of the National Institute of Standards and Technology (NIST) Boulder, CO, antenna measurement facility, the Antenna On-Axis Gain
Anmol Bhardwaj, Jack Chuang, Camillo Gentile, Chiehping Lai
A wireless channel is wide-sense stationary (WSS) when the mean and autocorrelation of its small-scale fading are displacement invariant. This occurs when the
NIST Microwave Uncertainty Framework (Beta version) The NIST Microwave Uncertainty Framework provides a "drag-and-drop" toolkit for managing the calculation of
The Large Aperture Scanner (LAS) scans a radar transceiver over a 5 meter by 20 meter aperture. Image reconstruction techniques enable a three-dimensional