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Study of cold sky calibration and geophysical parameters retrieval for HY-2A satellite scanning microwave radiometer

Zhou Wu,Lin Mingsen,Li Yanmin,Wang Zhenzhan and Huang Lei

Strategic Study of CAE 2013, Volume 15, Issue 7,   Pages 75-80

Abstract:

HY-2A scanning microwave radiometer cold shy calibration method and Geophysical parameters retrieval algorithm were studied. According to HY-2A satellite scanning microwave radiometer on observation and scanning design principle and observation geometry, the earth's signal into cold reflector based on the earth observation data of microwave radiometer was corrected, and cold sky reflector weight coefficient matrix by the ground observation brightness temperature to correction cold sky observation signal was established. Based on the sea surface temperature, sea surface wind speed, moisture content and cloud liquid content and microwave radiometer radiative transfer model, HY-2A scanning microwave radiometer model theory brightness temperature under different conditions of each frequency and polarization was calculated, and a linear regression model was established to fit different geophysical parameters retrieval coefficient, using multiple linear regression algorithm retrieving HY-2A microwave scanning radiometer geophysical parameters, compared to international microwave radiometer data, and the product accuracy was obtained.

Keywords： scanning microwave radiometer     multiple linear regression     multi satellites cross over     cold shy calibration    

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RESPONSE OF WHEAT COMPOSITE CROSS POPULATIONS TO DISEASE AND CLIMATE VARIATION OVER 13 GENERATIONS

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 3,   Pages 400-415 doi: 10.15302/J-FASE-2021394

Abstract:

Since the F5 (2005), three winter wheat composite cross populations (CCPs) based on

Keywords： evolutionary breeding     heterogeneous crop population     management system    

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Catalytic wet air oxidation of phenol, nitrobenzene and aniline over the multi-walled carbon nanotubes

Shaoxia YANG,Yu SUN,Hongwei YANG,Jiafeng WAN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 3,   Pages 436-443 doi: 10.1007/s11783-014-0681-x

Abstract: In the paper, multi-walled carbon nanotubes (MWCNTs), functionalized by O , were used as catalysts inIn the CWAO of phenol over the functionalized MWCNTs, total phenol removal was obtained after 90 min

Keywords： catalytic wet air oxidation (CWAO)     carbon nanotubes (CNTs)     phenol     nitrobenzene     aniline    

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Combined static mixers for high viscous fluids mixing

Zhenhao XI, Weizhen SUN, Ling ZHAO, Zhaoyan LIU

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 93-96 doi: 10.1007/s11705-009-0112-x

Abstract: A new static mixer Cross-over-Disc has been invented to strip off the boundary layer and to make strongThe pressure drop of Cross-over-Disc is 12—26 times as large as that of empty pipe with equivalent diameterThe mixing performance of Cross-over-Disc with 14 elements has been investigated in the viscosity rangeFurthermore, mixing inhomogeneity for a combination of static mixing elements (four from Cross-over-Disc

Keywords： static mixer     Cross-over-Disc     pressure drop     mixing performance     high viscous fluid    

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The Rion-Antirion bridge—when a dream becomes reality

Jacques COMBAULT

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 4,   Pages 415-426 doi: 10.1007/s11709-011-0130-x

Abstract: It consists of an impressive multi cable-stayed span bridge connected to the land by two approaches.

Keywords： bridge     multi cable-stayed spans     soil reinforcement     inclusions     yield theory     capacity design     push-over    

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A novel algorithm to counter cross-eye jamming based on a multi-target model Research Articles

Zhi-yong SONG, Xing-lin SHEN, Qiang FU

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 7,   Pages 988-1001 doi: 10.1631/FITEE.1800394

Abstract:

Cross-eye jamming is an electronic attack technique that induces an angular error in the monopulsePresently, there is no effective anti-jamming method to counteract cross-eye jamming.In our study, through detailed analysis of the jamming mechanism, a multi-target model for a cross-eyeThe release of cross-eye jamming is detected by estimating the number of targets in the beam, and theSimulation results showed that the proposed method achieves a minimum delay in detection of cross-eye

Keywords： Particle identity labels     Probability hypothesis density     Cross-eye jamming     Anti-jamming     Random finite    

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Multi-level cross-layer protocol for end-to-end delay provisioning in wireless multimedia sensor networks Regular Papers-Research Articles

Hossein HADADIAN NEJAD YOUSEFI, Yousef SEIFI KAVIAN, Alimorad MAHMOUDI

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 9,   Pages 1266-1276 doi: 10.1631/FITEE.1700855

Abstract: In this paper we provide a new cross-layer approach for provisioning the end-to-end delay of the networkIn the proposed multi-level cross-layer (MLCL) protocol, the number of hops away from the sink is usedThe proposed protocol uses cross-layer properties between the network and medium access control (MAC)

Keywords： Wireless multimedia sensor networks     Cross layering     Time to live     End-to-end delay     Quality of service    

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Methods and applications of DEA cross-efficiency: Review and future perspectives

Jie WU, Jiasen SUN, Liang LIANG

Frontiers of Engineering Management 2021, Volume 8, Issue 2,   Pages 199-211 doi: 10.1007/s42524-020-0133-1

Abstract: To address this problem, scholars have proposed the cross-efficiency evaluation (CREE) method.reviews the theory and applications of CREE, including the non-uniqueness problem, the aggregation of cross-efficiency

Keywords： cross-efficiency evaluation     efficiency     secondary goal model     aggregation     review    

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Prevalence and determinations of physical inactivity among public hospital employees in Shanghai, China: a cross-sectional

Xinjian Li,Minna Cheng,Hao Zhang,Ting Ke,Yisheng Chen

Frontiers of Medicine 2015, Volume 9, Issue 1,   Pages 100-107 doi: 10.1007/s11684-014-0372-9

Abstract: A cross-sectional study of 4612 employees aged 19 to 68 years was conducted through stratified cluster

Keywords： prevalence     determination     employee     public hospital     cross-sectional study     physical inactivity    

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River Chief System (RCS): An experiment on cross-sectoral coordination of watershed governance

Longfei Wang, Jiaxin Tong, Yi Li

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 4, doi: 10.1007/s11783-019-1157-9

Abstract: The River Chief System (RCS) has experienced swift developments over the past decade in China by appointingefficiently in the short-term due to its superiority in the inclusion of clear responsibility, authority, and multi-sectoral

Keywords： River Chief System     Watershed governance     Cross-sectoral coordination     Environmental protection    

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Air bearing center cross gap of neutron stress spectrometer sample table support system

Yang LI,Yunxin WU,Hai GONG,Xiaolei FENG

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 4,   Pages 403-411 doi: 10.1007/s11465-016-0405-y

Abstract: To study the performance of air bearing center cross gap, finite element models (FEMs) were establishedsupply pressure, and gap parameters on the overturning moment and bearing capacity of air bearing center cross

Keywords： neutron stress spectrometer     sample table     support system     air bearing     center cross gap     simulation     experiment    

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Reductive amination of -hexanol to -hexylamine over Ni–Ce/-AlO catalysts

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 1,   Pages 82-92 doi: 10.1007/s11705-022-2181-z

Abstract: The amination of alkyl alcohols is one of the most promising paths in synthesis of aliphatic amines. Herein, cerium doped nickel-based catalysts were synthesized and tested in a gas-phase amination of n-hexanol to n-hexylamine. It was found that the activity of the Ni/γ-Al2O3 catalyst is significantly improved by doping an appropriate amount of cerium. The presence of cerium effectively inhibits the agglomeration of nickel particle, resulting in better Ni dispersion. As Ni particle size plays critical role on the catalytic activity, higher turnover frequency of n-hexanol amination was achieved. Cerium doping also improves the reduction ability of nickel and enhances the interactions between Ni and the catalyst support. More weak acid sites were also found in those cerium doped catalysts, which promote another key step—ammonia dissociative adsorption in this reaction system. The overall synergy of Ni nanoparticles and acid sites of this Ni–Ce/γ-Al2O3 catalyst boosts its superior catalytic performance in the amination of n-hexanol.

Keywords： amination     alcohol     cerium     nickel     acidity     interaction    

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Technical innovation for Sanyang Road Cross-river Tunnel Project

Yu ZHONG

Frontiers of Engineering Management 2018, Volume 5, Issue 3,   Pages 411-415 doi: 10.15302/J-FEM-2018206

Abstract:

Keywords： valign=     top     class=     J_zhaiyao    

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Research of the Optimum SNR Thresholds of AQAM System Over Multi-path Rayleigh Channel

Gao Huanqin,Feng Guangzeng,Zhu Qi

Strategic Study of CAE 2006, Volume 8, Issue 1,   Pages 67-71

Abstract: In this paper the optimum SNR thresholds over a 6-path Rayleigh channel are derived, which shows a superior

Keywords： adaptive modulation     AQAM     optimum switching-level    

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Supersonic flows over cavities

FANG Tianwen, DING Meng, ZHOU Jin

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 528-533 doi: 10.1007/s11708-008-0055-9

Abstract: The characteristics of supersonic cold flows over cavities were investigated experimentally and numerically

Keywords： supersonic     different     ratio    

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Title Author Date Type Operation

Study of cold sky calibration and geophysical parameters retrieval for HY-2A satellite scanning microwave radiometer

Zhou Wu,Lin Mingsen,Li Yanmin,Wang Zhenzhan and Huang Lei

Journal Article

RESPONSE OF WHEAT COMPOSITE CROSS POPULATIONS TO DISEASE AND CLIMATE VARIATION OVER 13 GENERATIONS

Journal Article

Catalytic wet air oxidation of phenol, nitrobenzene and aniline over the multi-walled carbon nanotubes

Shaoxia YANG,Yu SUN,Hongwei YANG,Jiafeng WAN

Journal Article

Combined static mixers for high viscous fluids mixing

Zhenhao XI, Weizhen SUN, Ling ZHAO, Zhaoyan LIU

Journal Article

The Rion-Antirion bridge—when a dream becomes reality

Jacques COMBAULT

Journal Article

A novel algorithm to counter cross-eye jamming based on a multi-target model

Zhi-yong SONG, Xing-lin SHEN, Qiang FU

Journal Article

Multi-level cross-layer protocol for end-to-end delay provisioning in wireless multimedia sensor networks

Hossein HADADIAN NEJAD YOUSEFI, Yousef SEIFI KAVIAN, Alimorad MAHMOUDI

Journal Article

Methods and applications of DEA cross-efficiency: Review and future perspectives

Jie WU, Jiasen SUN, Liang LIANG

Journal Article

Prevalence and determinations of physical inactivity among public hospital employees in Shanghai, China: a cross-sectional

Xinjian Li,Minna Cheng,Hao Zhang,Ting Ke,Yisheng Chen

Journal Article

River Chief System (RCS): An experiment on cross-sectoral coordination of watershed governance

Longfei Wang, Jiaxin Tong, Yi Li

Journal Article

Air bearing center cross gap of neutron stress spectrometer sample table support system

Yang LI,Yunxin WU,Hai GONG,Xiaolei FENG

Journal Article

Reductive amination of -hexanol to -hexylamine over Ni–Ce/-AlO catalysts

Journal Article

Technical innovation for Sanyang Road Cross-river Tunnel Project

Yu ZHONG

Journal Article

Research of the Optimum SNR Thresholds of AQAM System Over Multi-path Rayleigh Channel

Gao Huanqin,Feng Guangzeng,Zhu Qi

Journal Article

Supersonic flows over cavities

FANG Tianwen, DING Meng, ZHOU Jin

Journal Article