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SAMPLING METHODS USING REMOTE SENSING AND GLOBAL POSITIONING SYSTEM FOR CROP ACREAGE ESTIMATION AT-NATIONAL SCALE IN CHINA
Sampling Sampling unit Stratified sampling RS GPS Agricultural condition Acreage
2016/1/3
Sampling methods have to be applied in agricultural condition monitoring at national scale. When selecting sampling methods, more attention needs to be paid not only to objects monitored, but also to ...
Global Positioning System, a worldwide satellite navigational
system formed by 24 satellites orbiting the earth and their
corresponding receivers on the earth which provides practical
and affordabl...
Ionospheric Threat Parameterization for Local Area Global-Positioning-System-Based Aircraft Landing Systems
Ionospheric Parameterization Local Area Global-Positioning-System-Based Aircraft Landing Systems
2015/6/25
Observations of extreme spatial rates of change of ionospheric electron content and the characterization strategy for mitigation applied by the U.S. local area augmentation system are shown. During ex...
中国民航飞行学院航空电子设备课件 Global Positioning System。
Improved Measurements and Analysis of Spatial Snow Cover by Combining a Ground Based Radar System With a Differential Global Positioning System Receiver
Improved Measurements Spatial Snow Cover Ground Based Radar System
2009/10/22
The paper describes the realization of a new snow measurement system where a Ground Penetrating Radar (GPR) is connected to a Differential Global Positioning System (DGPS) receiver. A snow scooter ...