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5. Hyperbolic radiolocation with TDOA
The principle behind hyperbolic TDOA (Time Difference Of Arrival) methods is to measure the difference in propagation delay of a signal on two receiving systems at different positions, usually synchronized. The transmitter then lies on a hyperboloid of revolution (a hyperbola if the reasoning is done in a plane) whose focus is the two receivers (figure 25 ).
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Hyperbolic radiolocation with TDOA
LSU HF radiolocation
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