搜索结果: 1-15 共查到“森林经理学 UAV”相关记录28条 . 查询时间(0.074 秒)
Aerodynamic Performance of Hex-Rotor UAV Considering the Horizontal Airflow
aerodynamic model dynamic model transition flight trim method transition strategy calculation case
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2024/1/23
A vertical take-off and landing (VTOL) unmanned aerial vehicle (UAV) can meet both VTOL and horizontal flight performance, but how to achieve a safe and stable transition is a research focus of this t...
Nonlinear control for collision-free navigation of UAV fleet
Sliding mode control Collision free navigation UAV coordination
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2024/1/23
This paper presents the development of a cooperation scheme among unmanned aerial vehicle (UAV). Sliding mode control technique is used to guarantee that the set of robots can follow a reference traje...
Estimating aboveground biomass of the mangrove forests on northeast Hainan Island in China using an upscaling method from field plots, UAV-LiDAR data and Sentinel-2 imagery
Mangroves Aboveground biomass UAV-LiDAR Sentinel-2 Random forest
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2024/1/23
The mangrove forests of northeast Hainan Island are the most species diverse forests in China and consist of the Dongzhai National Nature Reserve and the Qinglan Provincial Nature Reserve. The former ...
Estimation of aboveground biomass of Robinia pseudoacacia forest in the Yellow River Delta based on UAV and Backpack LiDAR point clouds
UAV-LiDAR Backpack-LiDAR Individual tree segmentation Forest AGB The Yellow River Delta
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2024/1/22
Forest plantations are an important source of terrestrial carbon sequestration. The forest of Robinia pseudoacacia in the Yellow River Delta (YRD) is the largest artificial ecological protection fores...
Forests Growth Monitoring Based on Tree Canopy 3D Reconstruction Using UAV Aerial Photogrammetry
UAV aerial photography forest monitoring canopy 3D model
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2024/1/22
Land cover monitoring is a major task for remote sensing. Compared to traditional methods of forests monitoring which mostly use orthophotography from satellites or aircraft, there is very little rese...
Estimation of Forest Structural Parameters Using UAV-LiDAR Data and a Process-Based Model in Ginkgo Planted Forests
Forestry Structural engineering Measurement Laser radar Predictive models
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2024/1/19
Developing an accurate model for estimating the forest structural parameters of planted forests is crucial for forest productivity predictions and can provide a better understanding of the carbon cycl...
A Revised Monte Carlo Method for Target Location with UAV
Monte Carlo Target location UAV Bias
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2024/1/19
Target location using UAV equipped with vision system has played an important role in many applications but there remain challenges. One of the principal difficulties is to position a target with a hi...
Spray and economics assessment of a UAV-based ultra-low-volume application in olive and citrus orchards
Agrochemical application UAV Sprayer Economic analysis
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2024/1/19
Automation is a new frontier in specialty agriculture equipment. Specifically, unmanned aerial vehicles (UAV), machine vision and robotics will increasingly appear in sustainable agricultural systems....
Fine scale plant community assessment in coastal meadows using UAV based multispectral data
Coastal plant communities UAV Vegetation indices Random forests Unsupervised classification
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2024/1/19
Coastal meadows worldwide are subjected to habitat degradation due to abandonment, intensification and the impacts of global change. In order to protect and restore these habitats and ensure the suppl...
Evaluation of a UAV-mounted consumer grade camera with different spectral modifications and two handheld spectral sensors for rapeseed growth monitoring: performance and influencing factors
Modified consumer grade camera Unmanned aerial vehicle (UAV) Field-based hyperspectral data GreenSeeker crop sensor Image quality Band combination
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2024/1/19
The objective of this study was to evaluate the crop monitoring performance of a consumer-grade camera with non-modified and modified spectral ranges which are commonly used in low-altitude unmanned a...
Carbon Stock Estimations in a Mediterranean Riparian Forest: A Case Study Combining Field Data and UAV Imagery
above ground biomass (AGB) carbon stocks ecosystem services riparian allometric equations unmanned aerial vehicle (UAV)
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2024/1/11
This study aims to estimate the total biomass aboveground and soil carbon stocks in a Mediterranean riparian forest and identify the contribution of the different species and ecosystem compartments to...
Evaluating Post-Fire Vegetation Recovery in Cajander Larch Forests in Northeastern Siberia Using UAV Derived Vegetation Indices
Larix cajanderi Siberia wildfire drones uncrewed aerial vehicle NDVI GCC normalized difference vegetation index green chromatic coordinate
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2023/12/18
The ability to monitor post-fire ecological responses and associated vegetation cover change is crucial to understanding how boreal forests respond to wildfire under changing climate conditions. Uncre...
Failure Detection in Eucalyptus Plantation Based on UAV Images
UAV remote sensing forest plantation number of failures relative location
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2023/12/7
The information of the locations and numbers of failures is crucial to precise management of new afforestation, especially during seedling replanting in young forests. In practice, foresters are more ...
Classifying Individual Shrub Species in UAV Images—A Case Study of the Gobi Region of Northwest China
shrub species classification unmanned aerial vehicle RGB image object-based image analysis spectral indices texture indices
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2023/12/5
Shrublands are the main vegetation component in the Gobi region and contribute considerably to its ecosystem. Accurately classifying individual shrub vegetation species to understand their spatial dis...
UAV LiDAR Survey for Archaeological Documentation in Chiapas, Mexico
LiDAR UAV mapping archaeology Mesoamerica
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2023/12/5
Airborne laser scanning has proven useful for rapid and extensive documentation of historic cultural landscapes after years of applications mapping natural landscapes and the built environment. The re...