Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Daozong Sun"'
Publikováno v:
Frontiers in Plant Science, Vol 15 (2024)
This study examines the impact of canopy density, side wind speed, nozzle tilt angle, and droplet size on droplet penetration during plant protection spraying operations. Experiments conducted in citrus orchards evaluated how side wind speed and nozz
Externí odkaz:
https://doaj.org/article/03c2042a3ee941c2817057400bc1fe4c
Publikováno v:
International Journal of Antennas and Propagation, Vol 2024 (2024)
In this article, the inverse diffraction parabolic equation (IDPE) model based on the finite difference method is proposed, which is first applied in the multiple nonradiation targets orientation technology. In principle, the electromagnetic signal p
Externí odkaz:
https://doaj.org/article/4436da20a37847bcbf8bdd708bfc1d61
Publikováno v:
Frontiers in Plant Science, Vol 14 (2024)
BackgroundsUAVs for crop protection hold significant potential for application in mountainous orchard areas in China. However, certain issues pertaining to UAV spraying need to be addressed for further technological advancement, aimed at enhancing cr
Externí odkaz:
https://doaj.org/article/5361aceab4464b148ed19cb66e40a7ad
Autor:
Xiuyun Xue, Qin Luo, Yihang Ji, Zhaoyong Ma, Jiani Zhu, Zhen Li, Shilei Lyu, Daozong Sun, Shuran Song
Publikováno v:
Frontiers in Plant Science, Vol 14 (2023)
Target detection technology and variable-rate spraying technology are key technologies for achieving precise and efficient pesticide application. To address the issues of low efficiency and high working environment requirements in detecting tree info
Externí odkaz:
https://doaj.org/article/6477a643840041ea8da38be9d98b9b73
Publikováno v:
Sensors, Vol 24, Iss 9, p 2685 (2024)
This study investigates the impact of varying side wind velocities and nozzle inclination angles on droplet penetration during plant protection spraying operations, focusing on citrus trees. Experiments were conducted across four wind speed levels (0
Externí odkaz:
https://doaj.org/article/4e3e2b33ffd045bd9f4f39d9359fe096
Autor:
Daozong Sun, Kai Zhang, Hongsheng Zhong, Jiaxing Xie, Xiuyun Xue, Mali Yan, Weibin Wu, Jiehao Li
Publikováno v:
Agriculture, Vol 14, Iss 3, p 353 (2024)
Due to the challenges of pest detection in complex environments, this research introduces a lightweight network for tobacco pest identification leveraging enhancements in YOLOv8 technology. Using YOLOv8 large (YOLOv8l) as the base, the neck layer of
Externí odkaz:
https://doaj.org/article/dbe193cdc2d74705811073b129e7b4a9
Autor:
Daozong Sun, Rongxin Luo, Qi Guo, Jiaxing Xie, Hongshan Liu, Shilei Lyu, Xiuyun Xue, Zhen Li, Shuran Song
Publikováno v:
IEEE Access, Vol 11, Pp 112307-112319 (2023)
Predicting student performance is a crucial research area in educational data mining. Student grades are influenced by various factors such as past academic performance, family background, and personal achievements. However, it is difficult to collec
Externí odkaz:
https://doaj.org/article/d9ff8582ed5748379c7ad9c6f90d6116
Autor:
Jiaxing Xie, Jiaxin Wang, Yufeng Chen, Peng Gao, Huili Yin, Shiyun Chen, Daozong Sun, Weixing Wang, Handong Mo, Jiyuan Shen, Jun Li
Publikováno v:
Remote Sensing, Vol 15, Iss 24, p 5767 (2023)
The relative content of chlorophyll, assessed through the soil and plant analyzer development (SPAD), serves as a reliable indicator reflecting crop photosynthesis and the nutritional status during crop growth and development. In this study, we emplo
Externí odkaz:
https://doaj.org/article/464722427b55430283540f3ce7f6eca0
Autor:
Jiaxing Xie, Yufeng Chen, Zhenbang Yu, Jiaxin Wang, Gaotian Liang, Peng Gao, Daozong Sun, Weixing Wang, Zuna Shu, Dongxiao Yin, Jun Li
Publikováno v:
Frontiers in Plant Science, Vol 14 (2023)
IntroductionCanopy stomatal conductance (Sc) indicates the strength of photosynthesis and transpiration of plants. In addition, Sc is a physiological indicator that is widely employed to detect crop water stress. Unfortunately, existing methods for m
Externí odkaz:
https://doaj.org/article/b04a1be24c904b0b8bed6470ac2e07e2
Publikováno v:
Guangdong nongye kexue, Vol 49, Iss 1, Pp 151-158 (2022)
【Objective】In order to provide appropriate irrigation reference basis for the planting of Scindapsus aureus and reduce the waste of water resources in agricultural production, the relationship between the growth of S. aureus and water stress was
Externí odkaz:
https://doaj.org/article/0a783cfbaea147fe834f544a190a89aa