Asymptotically Stable Gait Generation and Instantaneous Walkability Determination for Planar Almost Linear Biped with Knees.

Ning Lei

Fumihiko Asano Ning Lei Taiki Sedoguchi Asymptotically Stable Gait Generation and Instantaneous Walkability Determination for Planar Almost Linear Biped with Knees. 2026 April abs/2604.12274 CoRR https://doi.org/10.48550/arXiv.2604.12274 db/journals/corr/corr2604.html#abs-2604-12274 streams/journals/corr

Ning Lei Xiaoxiong Xiong Kevin A. Twedt Sherry Li Tiejun Chang Qiaozhen Mu Amit Angal Early Mission Calibration Performance of NOAA-21 VIIRS Reflective Solar Bands. 3557 2024 October 16 Remote. Sens. 19 https://doi.org/10.3390/rs16193557 db/journals/remotesensing/remotesensing16.html#LeiXTLCMA24 streams/journals/remotesensing

Xiaoxiong Xiong Amit Angal Ning Lei Kwofu Chiang Kevin A. Twedt Hongda Chen 0003 NOAA-21 VIIRS on-Orbit Calibration Performance: Year 1. 6176-6179 2024 IGARSS https://doi.org/10.1109/IGARSS53475.2024.10640649 conf/igarss/2024 db/conf/igarss/igarss2024.html#XiongALCTC24 streams/conf/igarss Xiaoxiong Xiong Amit Angal Junqiang Sun Ning Lei Kevin A. Twedt Kwo-Fu Chiang Early Results from NOAA-21 (JPSS-2) VIIRS on-Orbit Calibration. 4459-4462 2023 IGARSS https://doi.org/10.1109/IGARSS52108.2023.10281510 conf/igarss/2023 db/conf/igarss/igarss2023.html#XiongASLTC23

Ning Lei Xiaoxiong Xiong Deconvolution of SNPP VIIRS Solar Diffuser Bidirectional Reflectance Distribution Function On-Orbit Change Factor. 1-9 2022 60 IEEE Trans. Geosci. Remote. Sens. https://doi.org/10.1109/TGRS.2021.3092682 db/journals/tgrs/tgrs60.html#LeiX22

Kevin A. Twedt Ning Lei Xiaoxiong Xiong Amit Angal Sherry Li Tiejun Chang Junqiang Sun On-Orbit Calibration and Performance of NOAA-20 VIIRS Reflective Solar Bands. 1-13 2022 60 IEEE Trans. Geosci. Remote. Sens. https://doi.org/10.1109/TGRS.2021.3108970 db/journals/tgrs/tgrs60.html#TwedtLXALCS22

Han Zhang 0027 Xu Sun 0002 Cheng Yao Yanhui Zhang Qingfeng Wang 0002 Ning Lei Design with Caregivers: Enhancing Social Interaction for Children with Down Syndrome. 442-452 2022 HCI (8) https://doi.org/10.1007/978-3-031-05039-8_32 conf/hci/2022-8 db/conf/hci/hci2022-8.html#ZhangSYZWL22

Zhijun Yang Yang Wang Jianhou Gan Hang Li Ning Lei Design and Research of Intelligent Question-Answering(Q&A) System Based on High School Course Knowledge Graph. 1884-1890 2021 26 Mob. Networks Appl. 5 https://doi.org/10.1007/s11036-020-01726-w db/journals/monet/monet26.html#YangWGLL21

Junqiang Sun Xiaoxiong Xiong Ning Lei Sherry Li Kevin A. Twedt Amit Angal Ten Years of SNPP VIIRS Reflective Solar Bands On-Orbit Calibration and Performance. 2944 2021 13 Remote. Sens. 15 https://doi.org/10.3390/rs13152944 db/journals/remotesensing/remotesensing13.html#SunXLLTA21

Ning Lei Kevin A. Twedt Xiaoxiong Xiong Amit Angal Performance of NOAA-20 VIIRS Solar Diffuser and Solar Diffuser Stability Monitor. 7180-7188 2021 59 IEEE Trans. Geosci. Remote. Sens. 9 https://doi.org/10.1109/TGRS.2020.3032068 db/journals/tgrs/tgrs59.html#LeiTXA21

Ning Lei Xiaoxiong Xiong Qiaozhen Mu Sherry Li Tiejun Chang Positional Dependence of SNPP VIIRS Solar Diffuser BRDF Change Factor: An Empirical Approach. 8056-8061 2021 59 IEEE Trans. Geosci. Remote. Sens. 10 https://doi.org/10.1109/TGRS.2021.3050623 db/journals/tgrs/tgrs59.html#LeiXMLC21

Xiaoxiong Xiong Amit Angal Tiejun Chang Kwo-Fu Chiang Ning Lei Yonghong Li Junqiang Sun Kevin A. Twedt Aisheng Wu MODIS and VIIRS Calibration and Characterization in Support of Producing Long-Term High-Quality Data Products. 3167 2020 12 Remote. Sens. 19 https://doi.org/10.3390/rs12193167 db/journals/remotesensing/remotesensing12.html#XiongACCLLSTW20

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 Wenhui Wang 0002 NOAA-20 VIIRS on-Orbit Calibration Improvements. 6117-6120 2020 IGARSS https://doi.org/10.1109/IGARSS39084.2020.9324409 conf/igarss/2020 db/conf/igarss/igarss2020.html#XiongCABCCGLLST20 Xiaoxiong Xiong Amit Angal James J. Butler 0001 Kwofu Chiang Ning Lei Yonghong Li Kevin A. Twedt NOAA-20 VIIRS On-Orbit Calibration and Performance Update. 9018-9021 2019 IGARSS https://doi.org/10.1109/IGARSS.2019.8898463 conf/igarss/2019 db/conf/igarss/igarss2019.html#XiongABCLLT19 Xuexia Chen Ning Lei Xiaoxiong Xiong Suomi NPP VIIRS DNB and RSB M bands detector-to-detector and HAM side calibration differences assessment using a homogenous ground target. 107640X 2018 Earth Observing Systems https://doi.org/10.1117/12.2322153 conf/eos/2018 db/conf/eos/eos2018.html#ChenLX18 Amit Angal Xiaoxiong Xiong Ning Lei Kevin A. Twedt Comparison of the MODIS and VIIRS on-board SD and SDSM performance. 107641V 2018 Earth Observing Systems https://doi.org/10.1117/12.2324477 conf/eos/2018 db/conf/eos/eos2018.html#AngalXLT18 Chengbo Sun Xuexia Chen Ning Lei Kwo-Fu Chiang Xiaoxiong Xiong Analysis of S-NPP VIIRS RSB bands detector saturation status and its change with time. 107641F 2018 Earth Observing Systems https://doi.org/10.1117/12.2321341 conf/eos/2018 db/conf/eos/eos2018.html#SunCLCX18 Xiaoxiong Xiong Changyong Cao Ning Lei Kwofu Chiang Amit Angal Yonghong Li Slawomir Blonski Wenhui Wang 0002 Taeyoung Choi Early Results from NOAA-20 (JPSS-1) VIIRS On-ORBIT Calibration and Characterization. 1112-1115 2018 IGARSS https://doi.org/10.1109/IGARSS.2018.8519258 conf/igarss/2018 db/conf/igarss/igarss2018.html#XiongCLCALB0C18

Ning Lei Xiaoxiong Xiong Impacts of the Angular Dependence of the Solar Diffuser BRDF Degradation Factor on the SNPP VIIRS Reflective Solar Band On-Orbit Radiometric Calibration. 1537-1543 2017 55 IEEE Trans. Geosci. Remote. Sens. 3 https://doi.org/10.1109/TGRS.2016.2626963 db/journals/tgrs/tgrs55.html#LeiX17a

Ning Lei Xiaoxiong Xiong Products of the SNPP VIIRS SD Screen Transmittance and the SD BRDFs From Both Yaw Maneuver and Regular On-Orbit Data. 1975-1987 2017 55 IEEE Trans. Geosci. Remote. Sens. 4 https://doi.org/10.1109/TGRS.2016.2633967 db/journals/tgrs/tgrs55.html#LeiX17

Kevin A. Twedt Ning Lei Xiaoxiong Xiong On-orbit noise characterization of SNPP VIIRS reflective solar bands. 104021X 2017 Earth Observing Systems https://doi.org/10.1117/12.2274025 conf/eos/2017 db/conf/eos/eos2017.html#TwedtLX17 Xinghua Zhou Lei Yang 0047 Ning Lei Qiuhua Tang Lin Zhu Calibration results of multiple satellite altimetry missions from QianliYan permanent CAL/VAL facilities. 2082-2084 2017 IGARSS https://doi.org/10.1109/IGARSS.2017.8127392 conf/igarss/2017 db/conf/igarss/igarss2017.html#ZhouYLTZ17 Hongda Chen 0003 Ning Lei Chengbo Sun Xiaoxiong Xiong Calibration uncertainty of retrieved toa radiance for Suomi-NPP VIIRS day-night band. 5398-5401 2017 IGARSS https://doi.org/10.1109/IGARSS.2017.8128224 conf/igarss/2017 db/conf/igarss/igarss2017.html#0003LSX17 Ning Lei Kevin A. Twedt Jeffrey McIntire Xiaoxiong Xiong SNPP VIIRS RSB earth view reflectance uncertainty. 5916-5919 2017 IGARSS https://doi.org/10.1109/IGARSS.2017.8128355 conf/igarss/2017 db/conf/igarss/igarss2017.html#LeiTMX17

Xiaoxiong Xiong James J. Butler 0001 Kwo-Fu Chiang Boryana Efremova Jon Fulbright Ning Lei Jeffrey McIntire Hassan Oudrari Zhipeng Wang 0001 Aisheng Wu Assessment of S-NPP VIIRS On-Orbit Radiometric Calibration and Performance. 84 2016 8 Remote. Sens. 2 https://doi.org/10.3390/rs8020084 https://www.wikidata.org/entity/Q98577905 db/journals/remotesensing/remotesensing8.html#XiongBCEFLMOWW16

Xuexia Chen Aisheng Wu Xiaoxiong Xiong Ning Lei Zhipeng Wang 0001 Kwo-Fu Chiang Using Ground Targets to Validate S-NPP VIIRS Day-Night Band Calibration. 984 2016 8 Remote. Sens. 12 https://doi.org/10.3390/rs8120984 db/journals/remotesensing/remotesensing8.html#ChenWXLWC16

Jon Fulbright Ning Lei Boryana Efremova Xiaoxiong Xiong Suomi-NPP VIIRS Solar Diffuser Stability Monitor Performance. 631-639 2016 54 IEEE Trans. Geosci. Remote. Sens. 2 https://doi.org/10.1109/TGRS.2015.2441558 db/journals/tgrs/tgrs54.html#FulbrightLEX16

Ning Lei Xuexia Chen Xiaoxiong Xiong Determination of the SNPP VIIRS SDSM Screen Relative Transmittance From Both Yaw Maneuver and Regular On-Orbit Data. 1390-1398 2016 54 IEEE Trans. Geosci. Remote. Sens. 3 https://doi.org/10.1109/TGRS.2015.2480039 db/journals/tgrs/tgrs54.html#LeiCX16

Ning Lei Xiaoxiong Xiong Suomi NPP VIIRS Solar Diffuser BRDF Degradation Factor at Short-Wave Infrared Band Wavelengths. 6212-6216 2016 54 IEEE Trans. Geosci. Remote. Sens. 10 https://doi.org/10.1109/TGRS.2016.2583220 db/journals/tgrs/tgrs54.html#LeiX16

Ning Lei Xiaoxiong Xiong Product of the SNPP VIIRS SD screen transmittance and the SD BRDF from both yaw maneuver and regular on-orbit data. 99721D 2016 Earth Observing Systems https://doi.org/10.1117/12.2236943 conf/eos/2016 db/conf/eos/eos2016.html#LeiX16a Ning Lei Xiaoxiong Xiong Functional form of the radiometric equation for the SNPP VIIRS reflective solar bands. 997219 2016 Earth Observing Systems https://doi.org/10.1117/12.2236950 conf/eos/2016 db/conf/eos/eos2016.html#LeiX16 Xiaoxiong Xiong Changyong Cao Zhipeng Wang 0001 Ning Lei Kwo-Fu Chiang Slawomir Blonski James J. Butler 0001 S-NPP VIIRS calibration and performance update. 1976-1979 2016 IGARSS https://doi.org/10.1109/IGARSS.2016.7729509 conf/igarss/2016 db/conf/igarss/igarss2016.html#XiongCWLCBB16

Ning Lei Xiaoxiong Xiong Bruce Guenther Modeling the Detector Radiometric Gains of the Suomi NPP VIIRS Reflective Solar Bands. 1565-1573 2015 53 IEEE Trans. Geosci. Remote. Sens. 3 https://doi.org/10.1109/TGRS.2014.2345481 db/journals/tgrs/tgrs53.html#LeiXG15

Hassan Oudrari Jeffrey McIntire Xiaoxiong Xiong James J. Butler 0001 Shihyan Lee Ning Lei Thomas Schwarting Junqiang Sun Prelaunch Radiometric Characterization and Calibration of the S-NPP VIIRS Sensor. 2195-2210 2015 53 IEEE Trans. Geosci. Remote. Sens. 4 https://doi.org/10.1109/TGRS.2014.2357678 db/journals/tgrs/tgrs53.html#OudrariMXBLLSS15

Ning Lei Zhipeng Wang 0001 Xiaoxiong Xiong On-Orbit Radiometric Calibration of Suomi NPP VIIRS Reflective Solar Bands Through Observations of a Sunlit Solar Diffuser Panel. 5983-5990 2015 53 IEEE Trans. Geosci. Remote. Sens. 11 https://doi.org/10.1109/TGRS.2015.2430814 db/journals/tgrs/tgrs53.html#LeiWX15

Xuexia Chen Aisheng Wu Xiaoxiong Xiong Ning Lei Zhipeng Wang 0001 Kwo-Fu Chiang Validation of S-NPP VIIRS Day-Night band and M bands performance using ground reference targets of Libya 4 and Dome C. 96070E 2015 Earth Observing Systems https://doi.org/10.1117/12.2187131 conf/eos/2015 db/conf/eos/eos2015.html#ChenWXLWC15 Ning Lei Xiaoxiong Xiong Estimation of the accuracy of the SNPP VIIRS SD BRDF degradation factor determined by the solar diffuser stability monitor. 96071V 2015 Earth Observing Systems https://doi.org/10.1117/12.2186636 conf/eos/2015 db/conf/eos/eos2015.html#LeiX15 Ning Lei Xiaoxiong Xiong Determination of the SNPP VIIRS solar diffuser BRDF degradation factor over wavelengths longer than 1μm. 96071W 2015 Earth Observing Systems https://doi.org/10.1117/12.2186633 conf/eos/2015 db/conf/eos/eos2015.html#LeiX15a Ning Lei Xiaoxiong Xiong Impact of the angular dependence of the SNPP VIIRS solar diffuser BRDF degradation factor on the radiometric calibration of the reflective solar bands. 96071Y 2015 Earth Observing Systems https://doi.org/10.1117/12.2186629 conf/eos/2015 db/conf/eos/eos2015.html#LeiX15b Xiaoxiong Xiong Amit Angal Jon Fulbright Ning Lei Qiaozhen Mu Zhipeng Wang 0001 Aisheng Wu Calibration improvements for MODIS and VIIRS SWIR spectral bands. 96071Z 2015 Earth Observing Systems https://doi.org/10.1117/12.2185818 conf/eos/2015 db/conf/eos/eos2015.html#XiongAFLMWW15 Xinghua Zhou Lei Yang 0047 Mingsen Lin Ning Lei Qiuhua Tang Bo Mu Absolute calibration of HY-2, Jason-2 and Saral/AltiKa from China in-situ calibration site: Qian Li Yan. 3659-3662 2015 IGARSS https://doi.org/10.1109/IGARSS.2015.7326616 conf/igarss/2015 db/conf/igarss/igarss2015.html#ZhouYLLTM15 Ning Lei Kwo-Fu Chiang Xiaoxiong Xiong Examination of the angular dependence of the SNPP VIIRS solar diffuser BRDF degradation factor. 92181N 2014 Earth Observing Systems https://doi.org/10.1117/12.2065511 conf/eos/2014 db/conf/eos/eos2014.html#LeiCX14a Ning Lei Xuexia Chen Xiaoxiong Xiong Determination of the SNPP VIIRS SDSM screen transmittance from both yaw maneuver and regular on-orbit data. 921803 2014 Earth Observing Systems https://doi.org/10.1117/12.2062303 conf/eos/2014 db/conf/eos/eos2014.html#LeiCX14 Xiaoxiong Xiong James J. Butler 0001 Kwo-Fu Chiang Boryana Efremova Jon Fulbright Ning Lei Jeffrey McIntire Zhipeng Wang 0001 VIIRS on-orbit calibration and performance update. 1389-1392 2014 IGARSS https://doi.org/10.1109/IGARSS.2014.6946694 conf/igarss/2014 db/conf/igarss/igarss2014.html#XiongBCEFLMW14 Cuiyu Sun Feihu Ma Ning Lei Research on Digital Campus Landscape Modeling of East China Jiaotong University. 95-99 2013 GRMSE (1) https://doi.org/10.1007/978-3-642-45025-9_11 conf/grmse/2013-1 db/conf/grmse/grmse2013-1.html#SunML13 Xiaoxiong Xiong Hassan Oudrari Kwo-Fu Chiang Jeffrey McIntire Jon Fulbright Ning Lei Junqiang Sun Boryana Efremova Zhipeng Wang 0001 James J. Butler 0001 VIIRS on-orbit calibration activities and performance. 520-523 2013 IGARSS https://doi.org/10.1109/IGARSS.2013.6721207 conf/igarss/2013 db/conf/igarss/igarss2013.html#XiongOCMFLSEWB13 Kameron Rausch Frank De Luccia David Moyer Jason Cardema Ning Lei Jon Fulbright Chengbo Sun Vincent Kwofu Chiang SUOMI NPP VIIRS reflective solar band radiometric calibration. 1050-1052 2012 IGARSS https://doi.org/10.1109/IGARSS.2012.6351371 conf/igarss/2012 db/conf/igarss/igarss2012.html#RauschLMCLFSC12 Xiyang Liu Ning Lei Hehui Liu Bin Wang 0090 Evolutionary Testing of Unstructured Programs in the Presence of Flag Problems. 525-533 2005 conf/apsec/2005 APSEC https://doi.org/10.1109/APSEC.2005.65 https://doi.ieeecomputersociety.org/10.1109/APSEC.2005.65 db/conf/apsec/apsec2005.html#LiuLLW05 Amit Angal Fumihiko Asano Slawomir Blonski James J. Butler 0001 Changyong Cao Jason Cardema Tiejun Chang Hongda Chen 0003 Xuexia Chen Kwo-Fu ChiangVincent Kwofu ChiangKwofu Chiang Taeyoung Choi Boryana Efremova Jon Fulbright Jianhou Gan Yalong Gu Bruce Guenther Shihyan Lee Hang Li Sherry Li Y. Li Yonghong Li Mingsen Lin Hehui Liu Xiyang Liu Frank De Luccia Feihu Ma Jeffrey McIntire David Moyer Bo Mu Qiaozhen Mu Hassan Oudrari Kameron Rausch Thomas Schwarting Taiki Sedoguchi Xi Shao Chengbo Sun Cuiyu Sun Junqiang Sun Xu Sun 0002 Qiuhua Tang Kevin A. Twedt Sirish Uprety Bin Wang 0090 Qingfeng Wang 0002 Wenhui Wang 0002 Yang Wang Zhipeng Wang 0001 Aisheng Wu Xiaoxiong Xiong Lei Yang 0047 Zhijun Yang Cheng Yao Han Zhang 0027 Yanhui Zhang Xinghua Zhou Lin Zhu