Dr. Nianzeng Che Profile

Dr. Nianzeng Che

Senior Instrument Scientist at Hexagon US Federal

SPIE Involvement:

Author

Publications (28)

Proceedings Article | 4 November 2010 Paper

Results and lessons from a decade of Terra MODIS on-orbit spectral characterization

Xiaoxiong Xiong, Taeyoung Choi, Nianzeng Che, Zhipeng Wang, Jennifer Dodd, Yong Xie, William Barnes

Proceedings Volume 7862, 78620M (2010) https://doi.org/10.1117/12.868930

KEYWORDS: MODIS, Calibration, Sensors, Spectral calibration, Near infrared, Lamps, Mirrors, Long wavelength infrared, Sensor performance

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Proceedings Article | 14 October 2010 Paper

Terra MODIS band 2 electronic crosstalk: cause, impact, and mitigation

J. Sun, X. Xiong, N. Che, A. Angal

Proceedings Volume 7826, 78261Y (2010) https://doi.org/10.1117/12.864738

KEYWORDS: Sensors, MODIS, Calibration, Contamination, Near infrared, Algorithm development, Detection and tracking algorithms, Silicon, Imaging systems, Space operations

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Proceedings Article | 20 August 2008 Paper

MODIS along-scan direction Line Spread Function (LSF) modeling and verification using the Integration and Alignment Collimator (IAC)

N. Che, T. Choi, X. Xiong, D. Moyer

Proceedings Volume 7081, 708109 (2008) https://doi.org/10.1117/12.793388

KEYWORDS: Sensors, Modulation transfer functions, MODIS, Fourier transforms, Convolution, Collimators, Zemax, Point spread functions, Integrated optics, Calibration

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Proceedings Article | 20 August 2008 Paper

Long term MODIS spatial characterization using ground target approach

Yong Xie, Xiaoxiong Xiong, John Qu, Nianzeng Che

Proceedings Volume 7081, 70810E (2008) https://doi.org/10.1117/12.794364

KEYWORDS: MODIS, Sensors, Staring arrays, Long wavelength infrared, Near infrared, Target detection, Spatial resolution, Space operations, Clouds, Ozone

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Proceedings Article | 20 August 2008 Paper

On-orbit aqua MODIS modulation transfer function trending in along-scan from the Spectro-Radiometric Calibration Assembly

Taeyoung Choi, Nianzeng Che, Xiaoxiong Xiong

Proceedings Volume 7081, 70810A (2008) https://doi.org/10.1117/12.793844

KEYWORDS: Modulation transfer functions, MODIS, Near infrared, Sensors, Staring arrays, Calibration, Signal to noise ratio, Collimators, Mirrors, Point spread functions

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Proceedings Article | 26 October 2007 Paper

An overview of Aqua MODIS after five-year on-orbit operation and calibration

W. Barnes, X. Xiong, B. Wenny, X. Xie, A. Wu, N. Che, J. Sun, V. Salomonson

Proceedings Volume 6744, 67441G (2007) https://doi.org/10.1117/12.736788

KEYWORDS: MODIS, Calibration, Sensors, Mirrors, Staring arrays, Long wavelength infrared, Diffusers, Black bodies, Infrared radiation, Reflectivity

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Proceedings Article | 9 October 2007 Paper

Sensitivity analysis of MODIS band-to-band registration characterization and its impact on the science data products

Yong Xie, Xiaoxiong Xiong, John Qu, Nianzeng Che, Lingli Wang

Proceedings Volume 6679, 667908 (2007) https://doi.org/10.1117/12.735398

KEYWORDS: MODIS, Sensors, Remote sensing, Staring arrays, Reflectivity, Earth sciences, Long wavelength infrared, Calibration, Spatial resolution, Near infrared

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Proceedings Article | 5 October 2007 Paper

MODIS pre-launch reflective solar band response vs. scan angle

Chunhui Pan, Jack Xiong, Nianzeng Che

Proceedings Volume 6677, 66770R (2007) https://doi.org/10.1117/12.730573

KEYWORDS: MODIS, Sensors, Calibration, Mirrors, Reflectivity, Near infrared, Short wave infrared radiation, Remote sensing, Solids, Spherical lenses

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SPIE Journal Paper | 1 August 2007

Impact assessment of Aqua MODIS band-to-band misregistration on snow index

Lingli Wang, Xiaoxiong Xiong, John Qu, Yong Xie, Xianjun Hao, Nianzeng Che

JARS, Vol. 1, Issue 01, 013531, (August 2007) https://doi.org/10.1117/12.10.1117/1.2786934

KEYWORDS: MODIS, Calibration, Satellites, Short wave infrared radiation, Staring arrays, Reflectivity, Long wavelength infrared, Sensors, Remote sensing, Near infrared

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Proceedings Article | 3 October 2006 Paper

Status of Aqua MODIS spatial characterization and performance

Xiaoxiong Xiong, Nianzeng Che, William Barnes, Yong Xie, Lingli Wang, John Qu

Proceedings Volume 6361, 63610T (2006) https://doi.org/10.1117/12.687162

KEYWORDS: MODIS, Modulation transfer functions, Sensors, Staring arrays, Lamps, Long wavelength infrared, Reticles, Calibration, Near infrared, Spectral calibration

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Proceedings Article | 3 October 2006 Paper

Four-years of on-orbit spectral characterization results for Aqua MODIS reflective solar bands

X. Xiong, N. Che, Y. Xie, D. Moyer, W. Barnes, B. Guenther, V. Salomonson

Proceedings Volume 6361, 63610S (2006) https://doi.org/10.1117/12.687163

KEYWORDS: MODIS, Calibration, Sensors, Lamps, Spectral calibration, Reflectivity, Monochromators, Space operations, Short wave infrared radiation

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Proceedings Article | 27 September 2006 Paper

A preliminary study of Aqua/MODIS snow coverage continuity with simulated band 6

Lingli Wang, John Qu, Jack Xiong, Xianjun Hao, Yong Xie, Nianzeng Che

Proceedings Volume 6298, 62981A (2006) https://doi.org/10.1117/12.680953

KEYWORDS: MODIS, Reflectivity, Snow cover, Algorithm development, Short wave infrared radiation, Computer simulations, Clouds, Sensors, Detection and tracking algorithms, Remote sensing

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Proceedings Article | 7 September 2006 Paper

MODIS on-orbit spatial characterization results using ground measurements

Yong Xie, Xiaoxiong Xiong, John Qu, Nianzeng Che, Lingli Wang

Proceedings Volume 6296, 62961L (2006) https://doi.org/10.1117/12.680787

KEYWORDS: MODIS, Spatial resolution, Staring arrays, Reflectivity, Calibration, Sensors, Near infrared, Long wavelength infrared, Imaging systems, Short wave infrared radiation

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Proceedings Article | 7 September 2006 Paper

Uncertainty analysis of Terra MODIS on-orbit spectral characterization

Yong Xie, Xiaoxiong Xiong, John Qu, Nianzeng Che

Proceedings Volume 6296, 62961K (2006) https://doi.org/10.1117/12.680766

KEYWORDS: MODIS, Calibration, Sensors, Space operations, Temperature metrology, Signal detection, Monochromators, Lamps, Remote sensing

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Proceedings Article | 7 September 2006 Paper

Results and lessons from MODIS reflective solar bands calibration: pre-launch to on-orbit

X. Xiong, N. Che, C. Pan, X. Xie, J. Sun, W. Barnes, B. Guenther

Proceedings Volume 6296, 629607 (2006) https://doi.org/10.1117/12.679144

KEYWORDS: Calibration, MODIS, Sensors, Reflectivity, Diffusers, Signal to noise ratio, Electronics, Mirrors, Space operations, Staring arrays

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Proceedings Article | 22 August 2005 Paper

Five-years of Terra MODIS spectral characterization

Xiaoxiong Xiong, Nianzeng Che, Bruce Guenther, W. Barnes, V. Salomonson

Proceedings Volume 5882, 58820R (2005) https://doi.org/10.1117/12.614090

KEYWORDS: MODIS, Calibration, Reflectivity, Copper, Space operations, Spatial resolution, Diffusers, Black bodies, Spectral calibration

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Proceedings Article | 22 August 2005 Paper

Five-year results of Terra MODIS on-orbit spatial characterization

Nianzeng Che, Xiaoxiong Xiong, Bruce Guenther, W. Barnes, V. Salomonson

Proceedings Volume 5882, 58821A (2005) https://doi.org/10.1117/12.615270

KEYWORDS: MODIS, Image registration, Near infrared, Long wavelength infrared, Spectral calibration, Calibration, Sensors, Visible radiation, Mid-IR, Infrared imaging

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Proceedings Article | 4 November 2004 Paper

Status of Aqua MODIS on-orbit calibration and characterization

Xiaoxiong Xiong, William Barnes, Kwofu Chiang, Hector Erives, Nianzeng Che, Junqiang Sun, Alice Isaacman, Vincent Salomonson

Proceedings Volume 5570, (2004) https://doi.org/10.1117/12.564940

KEYWORDS: MODIS, Calibration, Sensors, Mirrors, Reflectivity, Space operations, Detection and tracking algorithms, Electronics, Diffusers, Signal to noise ratio

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Proceedings Article | 26 October 2004 Paper

MODIS on-orbit calibration: key issues and approaches

Xiaoxiong Xiong, K. Chiang, Junqiang Sun, Nianzeng Che, William Barnes

Proceedings Volume 5542, (2004) https://doi.org/10.1117/12.558191

KEYWORDS: Calibration, MODIS, Sensors, Diffusers, Short wave infrared radiation, Reflectivity, Mirrors, Long wavelength infrared, Near infrared, Spectral calibration

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Proceedings Article | 2 February 2004 Paper

Aqua MODIS first year on-orbit calibration and performance

Xiaoxiong Xiong, Kwo-Fu Chiang, Junqiang Sun, Nianzeng Che, William Barnes

Proceedings Volume 5234, (2004) https://doi.org/10.1117/12.510580

KEYWORDS: MODIS, Calibration, Sensors, Mirrors, Reflectivity, Diffusers, Satellites, Space operations, Radiometry, Signal to noise ratio

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Proceedings Article | 10 November 2003 Paper

On-orbit spectral characterization results for Terra MODIS reflective solar bands

Nianzeng Che, Xiaoxiong Xiong, William Barnes

Proceedings Volume 5151, (2003) https://doi.org/10.1117/12.504811

KEYWORDS: MODIS, Calibration, Sensors, Reflectivity, Monochromators, Spectral calibration, Lamps, Mirrors, Radiometry, Diffusers

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Proceedings Article | 24 September 2002 Paper

On-orbit spatial characterizations for Terra MODIS

Xiaoxiong Xiong, Nianzeng Che, Farida Adimi, William Barnes

Proceedings Volume 4814, (2002) https://doi.org/10.1117/12.451974

KEYWORDS: Sensors, Modulation transfer functions, Staring arrays, MODIS, Long wavelength infrared, Near infrared, Signal detection, Calibration, Reticles, Remote sensing

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Proceedings Article | 24 September 2002 Paper

Xiaoxiong Xiong, Aisheng Wu, Joseph Esposito, Jun-Qiang Sun, Nianzeng Che, Bruce Guenther, William Barnes

Proceedings Volume 4814, (2002) https://doi.org/10.1117/12.451978

KEYWORDS: Calibration, Mirrors, MODIS, Sensors, Sun, Diffusers, Reflectivity, Space operations, Visible radiation, Spectral calibration

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Proceedings Article | 15 November 2000 Paper

Tracking MODIS gain change on-orbit by relating it to SRCA lamp parameters