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Radio Direction Finding Using Pseudo-Doppler For Uav-Based Animal Tracking, Anup Karki
Radio Direction Finding Using Pseudo-Doppler For Uav-Based Animal Tracking, Anup Karki
Masters Theses
Radio Direction Finding (RDF) is commonly used for low cost tracking and navigation systems. However, for a low cost application and mobility, the design constraints are highly limited. Pseudo Doppler (PD) can improve RDF capabilities without being cost prohibitive. This work entails the analysis of PD RDF and its potential use for Unmanned Aerial Vehicles (UAV) that are currently employed in wildlife research animal tracking. PD is based on the doppler effect or doppler shift. The doppler effect works like a frequency modulator that increases or decreases the observed frequency depending on whether a signal source is approaching or receding …