Zobrazeno 1 - 10
of 1 366
pro vyhledávání: '"accuracy evaluation"'
Publikováno v:
地震科学进展, Vol 54, Iss 11, Pp 768-777 (2024)
Taking a certain type of domestically produced aviation gravity meter as an example, this paper introduces the working principle, equipment composition, and field performance testing methods of the three-axis inertial stabilizer platform aviation gra
Externí odkaz:
https://doaj.org/article/27d9775a7bcc4574b5b166bbf501878a
Publikováno v:
应用气象学报, Vol 35, Iss 3, Pp 361-372 (2024)
The national precipitation real-time analysis product is a gridded product developed using probability density matching, Bayesian model averaging, multi grid variation, optimal interpolation and other technologies by National Meteorological Informati
Externí odkaz:
https://doaj.org/article/868244cfcc9f43c38ce249e65096c81b
Publikováno v:
智慧农业, Vol 6, Iss 3, Pp 34-45 (2024)
ObjectiveTo fully utilize and protect farmland and lay a solid foundation for the sustainable use of land, it is particularly important to obtain real-time and precise information regarding farmland area, distribution, and other factors. Leveraging r
Externí odkaz:
https://doaj.org/article/b70cdc0a2ae347f68e27826026411941
Publikováno v:
Geodesy and Geodynamics, Vol 15, Iss 2, Pp 177-188 (2024)
Weighted total least squares (WTLS) have been regarded as the standard tool for the errors-in-variables (EIV) model in which all the elements in the observation vector and the coefficient matrix are contaminated with random errors. However, in many g
Externí odkaz:
https://doaj.org/article/f7a31156b43647c0affb65c3e80791dc
Autor:
Feiying Xia, Guanghui Lv
Publikováno v:
Ecological Informatics, Vol 84, Iss , Pp 102839- (2024)
As crucial carbon sinks within terrestrial ecosystems, wetlands have been extensively studied in terms of spatio-temporal distributions. However, existing methods for classifying wetlands are of limited accuracy, and it is difficult to acquire consis
Externí odkaz:
https://doaj.org/article/8da08ea3e40141dea737a50c26443b90
Autor:
Yiqi Wang, Yongming Xu, Xichen Xu, Xingan Jiang, Yaping Mo, Hengrui Cui, Shanyou Zhu, Hanyi Wu
Publikováno v:
International Journal of Digital Earth, Vol 17, Iss 1 (2024)
ABSTRACTLand cover is an important variable for climate, hydrology, and ecology studies. With the availability of various high-resolution global land cover (GLC) products, conducting a comprehensive assessment on their accuracy and consistency is imp
Externí odkaz:
https://doaj.org/article/e1eb36ce33654e2a9c2fa249893738f0
Publikováno v:
Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol 18, Iss 4, Pp JAMDSM0043-JAMDSM0043 (2024)
Cube-machining test is a possible method for evaluating the accuracy of five-axis machining centers. Although the geometric errors of rotary axes can be evaluated by measuring the height and inclination errors of the machined surfaces, other error so
Externí odkaz:
https://doaj.org/article/e31713f9c87c42fcaf0ba79c0c8d7316
Autor:
Qiang Zeng, Qiang Zhao, Yang-Tao Luo, Shun-Gang Ma, You Kang, Yu-Qiong Li, Hua Chen, Chong-Yu Xu
Publikováno v:
Journal of Hydrology: Regional Studies, Vol 53, Iss , Pp 101825- (2024)
Study Region: Four subbasins in the Gandaki River Basin in the southern Himalayan region. Study Focus: In the southern Himalayan region, gridded precipitation datasets are often used to complement sparse gauge network observations in hydrological mod
Externí odkaz:
https://doaj.org/article/b561cbdad33c46879da79e6a9ab03bfb
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 8291-8301 (2024)
Numerous spatiotemporal fusion (STF) methods have been developed to generate surface reflectance data with high spatial and temporal resolutions for dynamic monitoring. Although comparative studies have been conducted to assess various fusion methods
Externí odkaz:
https://doaj.org/article/74831192e114446498bb7b8008b95e1e
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 3438-3451 (2024)
Accurate and reliable mangrove datasets are essential for the protection and management of mangrove ecosystems. Therefore, the evaluation of the current mangrove datasets and understanding the differences among them are critical. This study takes the
Externí odkaz:
https://doaj.org/article/299ad07b34ae4bd79f6a5a8d4e175ff2