Evolutionary Testing of Unstructured Programs in the Presence of Flag Problems. - Xiyang Liu; Ning Lei; Hehui Liu; Bin Wang 090 (APSEC, 2005)

SUOMI NPP VIIRS reflective solar band radiometric calibration. - Kameron Rausch; Frank De Luccia; David Moyer; Jason Cardema; Ning Lei; Jon Fulbright; Chengbo Sun; Vincent Kwofu Chiang (IGARSS, 2012)

Research on Digital Campus Landscape Modeling of East China Jiaotong University. - Cuiyu Sun; Feihu Ma; Ning Lei (GRMSE (1), 2013)

VIIRS on-orbit calibration activities and performance. - Xiaoxiong Xiong; Hassan Oudrari; Kwo-Fu Chiang; Jeffrey McIntire; Jon Fulbright; Ning Lei; Junqiang Sun; Boryana Efremova; Zhipeng Wang 001; James J. Butler 001 (IGARSS, 2013)

Determination of the SNPP VIIRS SDSM screen transmittance from both yaw maneuver and regular on-orbit data. - Ning Lei; Xuexia Chen; Xiaoxiong Xiong (Earth Observing Systems, 2014)

Examination of the angular dependence of the SNPP VIIRS solar diffuser BRDF degradation factor. - Ning Lei; Kwo-Fu Chiang; Xiaoxiong Xiong (Earth Observing Systems, 2014)

VIIRS on-orbit calibration and performance update. - Xiaoxiong Xiong; James J. Butler 001; Kwo-Fu Chiang; Boryana Efremova; Jon Fulbright; Ning Lei; Jeffrey McIntire; Zhipeng Wang 001 (IGARSS, 2014)

Validation of S-NPP VIIRS Day-Night band and M bands performance using ground reference targets of Libya 4 and Dome C. - Xuexia Chen; Aisheng Wu; Xiaoxiong Xiong; Ning Lei; Zhipeng Wang 001; Kwo-Fu Chiang (Earth Observing Systems, 2015)

Estimation of the accuracy of the SNPP VIIRS SD BRDF degradation factor determined by the solar diffuser stability monitor. - Ning Lei; Xiaoxiong Xiong (Earth Observing Systems, 2015)

Determination of the SNPP VIIRS solar diffuser BRDF degradation factor over wavelengths longer than 1μm. - Ning Lei; Xiaoxiong Xiong (Earth Observing Systems, 2015)

Impact of the angular dependence of the SNPP VIIRS solar diffuser BRDF degradation factor on the radiometric calibration of the reflective solar bands. - Ning Lei; Xiaoxiong Xiong (Earth Observing Systems, 2015)

Calibration improvements for MODIS and VIIRS SWIR spectral bands. - Xiaoxiong Xiong; Amit Angal; Jon Fulbright; Ning Lei; Qiaozhen Mu; Zhipeng Wang 001; Aisheng Wu (Earth Observing Systems, 2015)

Absolute calibration of HY-2, Jason-2 and Saral/AltiKa from China in-situ calibration site: Qian Li Yan. - Xinghua Zhou; Lei Yang 047; Mingsen Lin; Ning Lei; Qiuhua Tang; Bo Mu (IGARSS, 2015)

On-Orbit Radiometric Calibration of Suomi NPP VIIRS Reflective Solar Bands Through Observations of a Sunlit Solar Diffuser Panel. - Ning Lei; Zhipeng Wang 001; Xiaoxiong Xiong (IEEE Trans. Geosci. Remote. Sens., 2015)

Modeling the Detector Radiometric Gains of the Suomi NPP VIIRS Reflective Solar Bands. - Ning Lei; Xiaoxiong Xiong; Bruce Guenther (IEEE Trans. Geosci. Remote. Sens., 2015)

Prelaunch Radiometric Characterization and Calibration of the S-NPP VIIRS Sensor. - Hassan Oudrari; Jeffrey McIntire; Xiaoxiong Xiong; James J. Butler 001; Shihyan Lee; Ning Lei; Thomas Schwarting; Junqiang Sun (IEEE Trans. Geosci. Remote. Sens., 2015)

Functional form of the radiometric equation for the SNPP VIIRS reflective solar bands. - Ning Lei; Xiaoxiong Xiong (Earth Observing Systems, 2016)

Product of the SNPP VIIRS SD screen transmittance and the SD BRDF from both yaw maneuver and regular on-orbit data. - Ning Lei; Xiaoxiong Xiong (Earth Observing Systems, 2016)

S-NPP VIIRS calibration and performance update. - Xiaoxiong Xiong; Changyong Cao; Zhipeng Wang 001; Ning Lei; Kwo-Fu Chiang; Slawomir Blonski; James J. Butler 001 (IGARSS, 2016)

Using Ground Targets to Validate S-NPP VIIRS Day-Night Band Calibration. - Xuexia Chen; Aisheng Wu; Xiaoxiong Xiong; Ning Lei; Zhipeng Wang 001; Kwo-Fu Chiang (Remote. Sens., 2016)

Assessment of S-NPP VIIRS On-Orbit Radiometric Calibration and Performance. - Xiaoxiong Xiong; James J. Butler 001; Kwo-Fu Chiang; Boryana Efremova; Jon Fulbright; Ning Lei; Jeffrey McIntire; Hassan Oudrari; Zhipeng Wang 001; Aisheng Wu (Remote. Sens., 2016)

Suomi-NPP VIIRS Solar Diffuser Stability Monitor Performance. - Jon Fulbright; Ning Lei; Boryana Efremova; Xiaoxiong Xiong (IEEE Trans. Geosci. Remote. Sens., 2016)

Determination of the SNPP VIIRS SDSM Screen Relative Transmittance From Both Yaw Maneuver and Regular On-Orbit Data. - Ning Lei; Xuexia Chen; Xiaoxiong Xiong (IEEE Trans. Geosci. Remote. Sens., 2016)

Suomi NPP VIIRS Solar Diffuser BRDF Degradation Factor at Short-Wave Infrared Band Wavelengths. - Ning Lei; Xiaoxiong Xiong (IEEE Trans. Geosci. Remote. Sens., 2016)

On-orbit noise characterization of SNPP VIIRS reflective solar bands. - Kevin A. Twedt; Ning Lei; Xiaoxiong Xiong (Earth Observing Systems, 2017)

Calibration uncertainty of retrieved toa radiance for Suomi-NPP VIIRS day-night band. - Hongda Chen 003; Ning Lei; Chengbo Sun; Xiaoxiong Xiong (IGARSS, 2017)

SNPP VIIRS RSB earth view reflectance uncertainty. - Ning Lei; Kevin A. Twedt; Jeffrey McIntire; Xiaoxiong Xiong (IGARSS, 2017)

Calibration results of multiple satellite altimetry missions from QianliYan permanent CAL/VAL facilities. - Xinghua Zhou; Lei Yang 047; Ning Lei; Qiuhua Tang; Lin Zhu (IGARSS, 2017)

Products of the SNPP VIIRS SD Screen Transmittance and the SD BRDFs From Both Yaw Maneuver and Regular On-Orbit Data. - Ning Lei; Xiaoxiong Xiong (IEEE Trans. Geosci. Remote. Sens., 2017)

Impacts of the Angular Dependence of the Solar Diffuser BRDF Degradation Factor on the SNPP VIIRS Reflective Solar Band On-Orbit Radiometric Calibration. - Ning Lei; Xiaoxiong Xiong (IEEE Trans. Geosci. Remote. Sens., 2017)

Comparison of the MODIS and VIIRS on-board SD and SDSM performance. - Amit Angal; Xiaoxiong Xiong; Ning Lei; Kevin A. Twedt (Earth Observing Systems, 2018)

Suomi NPP VIIRS DNB and RSB M bands detector-to-detector and HAM side calibration differences assessment using a homogenous ground target. - Xuexia Chen; Ning Lei; Xiaoxiong Xiong (Earth Observing Systems, 2018)

Analysis of S-NPP VIIRS RSB bands detector saturation status and its change with time. - Chengbo Sun; Xuexia Chen; Ning Lei; Kwo-Fu Chiang; Xiaoxiong Xiong (Earth Observing Systems, 2018)

Early Results from NOAA-20 (JPSS-1) VIIRS On-ORBIT Calibration and Characterization. - Xiaoxiong Xiong; Changyong Cao; Ning Lei; Kwofu Chiang; Amit Angal; Yonghong Li; Slawomir Blonski; Wenhui Wang 002; Taeyoung Choi (IGARSS, 2018)

NOAA-20 VIIRS On-Orbit Calibration and Performance Update. - Xiaoxiong Xiong; Amit Angal; James J. Butler 001; Kwofu Chiang; Ning Lei; Yonghong Li; Kevin A. Twedt (IGARSS, 2019)

NOAA-20 VIIRS on-Orbit Calibration Improvements. - Xiaoxiong Xiong; Changyong Cao; Amit Angal; Slawomir Blonski; Kwofu Chiang; Taeyoung Choi; Yalong Gu; Ning Lei; Y. Li; Xi Shao; Kevin A. Twedt; Sirish Uprety; et al. (IGARSS, 2020)

MODIS and VIIRS Calibration and Characterization in Support of Producing Long-Term High-Quality Data Products. - Xiaoxiong Xiong; Amit Angal; Tiejun Chang; Kwo-Fu Chiang; Ning Lei; Yonghong Li; Junqiang Sun; Kevin A. Twedt; Aisheng Wu (Remote. Sens., 2020)

Design and Research of Intelligent Question-Answering(Q&A) System Based on High School Course Knowledge Graph. - Zhijun Yang; Yang Wang; Jianhou Gan; Hang Li; Ning Lei (Mob. Networks Appl., 2021)

Ten Years of SNPP VIIRS Reflective Solar Bands On-Orbit Calibration and Performance. - Junqiang Sun; Xiaoxiong Xiong; Ning Lei; Sherry Li; Kevin A. Twedt; Amit Angal (Remote. Sens., 2021)

Performance of NOAA-20 VIIRS Solar Diffuser and Solar Diffuser Stability Monitor. - Ning Lei; Kevin A. Twedt; Xiaoxiong Xiong; Amit Angal (IEEE Trans. Geosci. Remote. Sens., 2021)

Positional Dependence of SNPP VIIRS Solar Diffuser BRDF Change Factor: An Empirical Approach. - Ning Lei; Xiaoxiong Xiong; Qiaozhen Mu; Sherry Li; Tiejun Chang (IEEE Trans. Geosci. Remote. Sens., 2021)

Design with Caregivers: Enhancing Social Interaction for Children with Down Syndrome. - Han Zhang 027; Xu Sun 002; Cheng Yao; Yanhui Zhang; Qingfeng Wang 002; Ning Lei (HCI (8), 2022)

Deconvolution of SNPP VIIRS Solar Diffuser Bidirectional Reflectance Distribution Function On-Orbit Change Factor. - Ning Lei; Xiaoxiong Xiong (IEEE Trans. Geosci. Remote. Sens., 2022)

On-Orbit Calibration and Performance of NOAA-20 VIIRS Reflective Solar Bands. - Kevin A. Twedt; Ning Lei; Xiaoxiong Xiong; Amit Angal; Sherry Li; Tiejun Chang; Junqiang Sun (IEEE Trans. Geosci. Remote. Sens., 2022)

Early Results from NOAA-21 (JPSS-2) VIIRS on-Orbit Calibration. - Xiaoxiong Xiong; Amit Angal; Junqiang Sun; Ning Lei; Kevin A. Twedt; Kwo-Fu Chiang (IGARSS, 2023)

NOAA-21 VIIRS on-Orbit Calibration Performance: Year 1. - Xiaoxiong Xiong; Amit Angal; Ning Lei; Kwofu Chiang; Kevin A. Twedt; Hongda Chen 003 (IGARSS, 2024)

Early Mission Calibration Performance of NOAA-21 VIIRS Reflective Solar Bands. - Ning Lei; Xiaoxiong Xiong; Kevin A. Twedt; Sherry Li; Tiejun Chang; Qiaozhen Mu; Amit Angal (Remote. Sens., 2024)