[HTML][HTML] Initial assessment of the COSMIC-2/FORMOSAT-7 neutral atmosphere data quality in NESDIS/STAR using in situ and satellite data

SP Ho, X Zhou, X Shao, B Zhang, L Adhikari, S Kireev… - Remote Sensing, 2020 - mdpi.com
A COSMIC-1/FORMOSAT-3 (Constellation Observing System for Meteorology, Ionosphere,
and Climate-1 and Formosa Satellite Mission 3) follow-on mission, COSMIC-2/FORMOSAT-7…

Dual-regression retrieval algorithm for real-time processing of satellite ultraspectral radiances

WL Smith Sr, E Weisz, SV Kireev… - Journal of applied …, 2012 - journals.ametsoc.org
A fast physically based dual-regression (DR) method is developed to produce, in real time,
accurate profile and surface- and cloud-property retrievals from satellite ultraspectral …

[HTML][HTML] Processing and validation of the STAR COSMIC-2 temperature and water vapor profiles in the neutral atmosphere

S Ho, S Kireev, X Shao, X Zhou, X Jing - Remote Sensing, 2022 - mdpi.com
The global navigation satellite system (GNSS) radio occultation (RO) is becoming an essential
component of National Oceanic and Atmospheric Administration (NOAA) observation …

Comparison of COSMIC-2 radio occultation retrievals with RS41 and RS92 radiosonde humidity and temperature measurements

X Shao, SP Ho, B Zhang, X Zhou, S Kireev, Y Chen… - 2021 - repository.library.noaa.gov
Understanding the bias and uncertainty between radio occultation (RO) retrievals and
radiosonde observations (RAOBs) impacts climate studies and numerical weather predictions. In …

A new methodology on noise equivalent differential temperature calculation for on-orbit advanced microwave sounding unit-A instrument

B Yan, SV Kireev - IEEE Transactions on Geoscience and …, 2021 - ieeexplore.ieee.org
A few deficiencies remain in the current National Oceanic and Atmospheric Administration (NOAA)
Integrated Calibration/Validation System (ICVS) noise calculation method for …

Recent developments on airborne forward looking interferometer for the detection of wake vortices

T Daniels, W Smith, S Kireev - 4th AIAA Atmospheric and Space …, 2012 - arc.aiaa.org
A goal of these studies was development of the measurement methods and algorithms
necessary to detect wake vortex hazards in real time from either an aircraft or ground-based …

COSMIC-2 soundings impacts on a RO-based NOAA microwave satellite data quality monitoring system

R Iacovazzi, Q Liu, X Zhou, S Kireev, N Sun… - … Atmospheric and Oceanic …, 2022 - Springer
… A brief description of the 1D-Var algorithm applied for COSMIC-2 wetPrf sounding retrieval
is provided in a poster by Kireev et al. (2020). It is important to note that the CDAAC 1D-Var …

Variations of refraction angles from observations of the Moon from space

SV Kireev, SV Sokolovskiy - Applied optics, 1994 - opg.optica.org
We present the results of measurements of optical refraction angles from photographs of the
Moon taken from the orbital station Mir. We made estimations of rms fluctuations of refraction …

Simulation of Airborne Radiometric Detection of Wake Vortices

T Daniels, WL Smith, S Kireev - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
This paper describes an analysis of the potential of using an airborne Fourier transform
spectrometer (FTS) or radiometer to detect wake vortices. The goal was to determine the …

Applications of a Forward-Looking Interferometer for the on-board detection of aviation weather hazards

L West, G Gimmestad, W Smith, S Kireev, LB Cornman… - 2008 - ntrs.nasa.gov
The Forward-Looking Interferometer (FLI) is a new instrument concept for obtaining
measurements of potential weather hazards to alert flight crews. The FLI concept is based on high-…