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- research-articleNovember 2024
A handheld rapid detector of soil total nitrogen based on phase-locked amplification technology
Computers and Electronics in Agriculture (COEA), Volume 224, Issue Chttps://doi.org/10.1016/j.compag.2024.109233Highlights- A handheld STN detector based on phase-locked amplification technology.
- A novel ring-shaped optical path structure is designed to improve accuracy.
- Eight characteristic wavelengths for STN detection is efficiently extracted.
Soil total nitrogen (STN) serves as a critical indicator for agricultural productivity. Rapid STN detection is crucial for nutrient monitoring in farmland and for guiding precision fertilization. Traditional near-infrared spectroscopy-based STN ...
- research-articleOctober 2023
Winter wheat yield prediction using integrated Landsat 8 and Sentinel-2 vegetation index time-series data and machine learning algorithms
Computers and Electronics in Agriculture (COEA), Volume 213, Issue Chttps://doi.org/10.1016/j.compag.2023.108250Highlights- Harmonized dataset could enhance the accuracy and robustness of yield estimation.
- Integrated L8 and S2 WDRVI time-series reflect the growth status of winter wheat.
- BO-CatBoost outperforms other data-driven methods in predicting ...
Timely and accurate forecasting of winter wheat yield is important to crop management, food security, and sustainable agricultural development. Unfortunately, the process of predicting winter wheat yield using satellite time series data often ...
- research-articleOctober 2022
Winter wheat and soil total nitrogen integrated monitoring based on canopy hyperspectral feature selection and fusion
Computers and Electronics in Agriculture (COEA), Volume 201, Issue Chttps://doi.org/10.1016/j.compag.2022.107285Graphical abstractDisplay Omitted
Highlights- Proposed a total nitrogen sensitive wavebands selection method called IGWO.
- ...
Nitrogen, as a key element for crop reproductive and nutritional growth, plays an important role in overall agricultural production. Hyperspectral remote sensing (RS) offers possibility for monitoring farm nitrogen content by its non-...
- research-articleJuly 2022
A proposed fixed-sum carryovers reallocation DEA approach for social scientific resources of Chinese public universities
Scientometrics (SPSCI), Volume 127, Issue 7Pages 4097–4121https://doi.org/10.1007/s11192-022-04411-9AbstractHow to evaluate and optimize the allocative efficiency of multiple research resources is of great importance for decision-makers and has great practical application value. This is especially true in the case of unbalanced allocation and ...
- ArticleJuly 2009
The Application of Membership Degree Transformation New Algorithm in Military Transportation Performance Evaluation
CASE '09: Proceedings of the 2009 IITA International Conference on Control, Automation and Systems Engineering (case 2009)Pages 21–26https://doi.org/10.1109/CASE.2009.35The core of performance fuzzy evaluation is membership degree transformation. But the transformation methods should be questioned, because redundant data in index membership degree is also used to compute object membership degree, which is not useful ...
- ArticleJuly 2009
The Mathematic Method of Membership Conversion from Degree of Coordinates to Degree of Points
ESIAT '09: Proceedings of the 2009 International Conference on Environmental Science and Information Application Technology - Volume 02Pages 603–608https://doi.org/10.1109/ESIAT.2009.269In any multi-indexes uncertainty decisions, if choosing membership function to describe the uncertainty of every space-index value about some status, it must meet membership degree conversion, which must solve the conversion from membership degree of ...
- ArticleJune 2009
Evaluation on the Safety of Chemical Industrial Parks Based on Membership Degree Transformation New Algorithm
FCC '09: Proceedings of the 2009 ETP International Conference on Future Computer and CommunicationPages 52–57https://doi.org/10.1109/FCC.2009.48The core of fuzzy evaluation on the safety of chemical industrial park is membership degree transformation. But the transformation methods should be questioned, because redundant data in index membership degree is also used to compute object membership ...
- ArticleApril 2009
Algorithm Research on Project Risk Fuzzy Evaluation
DBTA '09: Proceedings of the 2009 First International Workshop on Database Technology and ApplicationsPages 160–164https://doi.org/10.1109/DBTA.2009.102The core of project risk fuzzy evaluation is membership transformation, but the transformation algorithm includes redundancy that is useless for classification. In order to overcome the redundancy, we can excavate the information of the object ...
- articleMarch 2002
Unascertained rationals and subjective uncertain information
Systems Analysis Modelling Simulation (SAMS), Volume 42, Issue 3Pages 343–357https://doi.org/10.1080/02329290290031053A mathematical theory of unascertained rational numbers is introduced to study subjective uncertain information, whose uncertainty is mainly from the subjective ignorance of the decision maker who employs the available information. Comparisons with the ...