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L and S Bands Spectrum Survey in the San Francisco Bay Area
Spectrum survey spectral environment thermal noise floor GPS ISM
2015/6/26
The Global Positioning System (GPS) is a radio frequency (RF) navigation system that consists of transmitters on the satellites and receivers on the ground. Because of substantial path loss, the recei...
APPLICABILITY ANALYSIS OF ULTRA-LIGHT UAV FOR FLOODING SITE SURVEY IN SOUTH KOREA
UAV (Unmanned Aerial Vehicle) Flood Mapping Ground survey Cadastral
2014/4/24
Recently, UAV (Unmanned Aerial Vehicle) is used in a variety of fields such as the military service, fire prevention, traffic supervision, mapping, and etc. The increased demand for UAVs is typically ...
Development of a helicopter-borne magnetic survey system in use of a nose boom magnetic sensor and its passive compensation for aircraft's magnetic field
stinger magnetic compensation 3-axis fluxgate aeromagnetic
2009/3/5
A helicopter-borne magnetic survey system was developed in use of a nose boom magnetic sensor, which enables safe and practical operation of low-altitude high-resolution survey even in mountainous reg...