Echo location systems

Details Echo location systems Echo location systems

1976-06-01

1978-09-12

Tubbesing, T.H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

340 3R, 343100CL, 343100PE, G01S 944

Patent

active

041141539

ABSTRACT:
This invention generally relates to echo location or ranging systems in which the individual properties of targets or reflectors (such as range, bearing, elevation angle, relative velocity, impedance contrast, etc.) in a field of targets within some propagation medium are identified by the emission of signals into the propagation medium and processing of the detected reflections from the target field.

REFERENCES:
patent: 3440653 (1969-04-01), Le Mair et al.
patent: 3829860 (1974-08-01), Cutler et al.
patent: 4028699 (1977-06-01), Stevens

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