搜索结果: 1-9 共查到“测绘科学技术 nitrogen”相关记录9条 . 查询时间(0.148 秒)
POTENTIAL APPLICATION OF NOVEL HYPERSPECTRAL LIDAR FOR MONITORING CROPS NITROGEN STRESS
LiDAR Hyperspectral Nitrogen stress Crops Remote sensing
2016/12/1
Precision agriculture has always been the research hotspot around the world. And the optimization of nitrogen fertilization for crops is the core concerns. It is not only to improve the productivity o...
COMPARING BROAD-BAND AND RED EDGE-BASED SPECTRAL VEGETATION INDICES TO ESTIMATE NITROGEN CONCENTRATION OF CROPS USING CASI DATA
LNC SVIs NDVI broad-band red edge-based CASI
2016/11/23
In recent decades, many spectral vegetation indices (SVIs) have been proposed to estimate the leaf nitrogen concentration (LNC) of crops. However, most of these indices were based on the field hypersp...
NOVEL APPROACH FOR ESTIMATING NITROGEN CONTENT IN PADDY FIELDS USING LOW ALTITUDE REMOTE SENSING SYSTEM
Low altitude remote sensing Unmanned aerial vehicle Rice Vegetation index Nitrogen
2016/7/5
Concerns over the use of nitrogen have been increasing due to the high cost of fertilizers and environmental pollutions caused by excess nitrogen application in agricultural fields. Several methods ar...
WAVELENGTH SELECTION OF HYPERSPECTRAL LIDAR BASED ON FEATURE WEIGHTING FOR ESTIMATION OF LEAF NITROGEN CONTENT IN RICE
Hyperspectral LiDAR Feather Weighting Leaf Nitrogen Content Wavelength Selection Partial Least Squares Support Vector Machine
2016/7/4
Hyperspectral LiDAR (HSL) is a novel tool in the field of active remote sensing, which has been widely used in many domains because of its advantageous ability of spectrum-gained. Especially in the pr...
ESTIMATING NITROGEN CONCENTRATION FROM DIRECTIONAL CHRIS/PROBA DATA
Biochemistry Retrieval Subset Selection Algorithm Multiangular
2015/9/8
Sun and sensor geometry cause directional effects in remotely sensed reflectance data which can influence the estimation of
biophysical and biochemical variables. Previous studies have indicated that...
Hyperspectral Analysis of Soil Total Nitrogen in Subsided Land Using the Local Correlation Mazimization-Complementary Superiority Method
Hyperspectral analysis local correlation maximization-complementary superiority (LCMCS) soil total nitrogen subsided land
2015/7/27
The measurement of soil total nitrogen (TN) by hyperspectral remote sensing provides an important tool for soil restoration programs in areas with subsided land caused by the extraction of natural res...
FUSION OF OPTICAL DATA AND SAR DATA FOR THE ESTIMATION OF NITROGEN CONCENTRATION IN PEARL RIVER ESTUARY HONG KONG SEAS, CHINA
Total inorganic nitrogen RADARSAT-2 HJ-1 CCD image backscattering coefficient optical parameters polarization parameters
2014/4/29
The knowledge of nitrogen concentration in the ocean is fundamental for the study of oceanic biogeochemical processes. The objective of this research is to estimate total inorganic nitrogen (TIN) by i...
MEASURING SUNFLOWER NITROGEN STATUS FROM AN UNMANNED AERIAL VEHICLE-BASED SYSTEM AND AN ON THE GROUND DEVICE
Precision agriculture Site-specific farming Unmanned Aerial Vehicle
2014/5/9
Precision agriculture recognizes the inherent spatial variability associated with soil characteristics, land morphology and crop
growth, and uses this information to prescribe the most appropriate m...
Discrimation of Nitrogen Fertilizer Levels on Permanent Grasslands from Aircraft Based Imaging Spectrometers
Permanent Grasslands Nitrogen Fertilizer Levels
2014/4/16
Discrimation of Nitrogen Fertilizer Levels on Permanent Grasslands from Aircraft Based Imaging Spectrometers。