True ground speed sensor

Details True ground speed sensor True ground speed sensor

1982-09-07

1985-05-14

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

G01S 1360

Patent

active

045175667

ABSTRACT:
A Doppler radar sensor is disclosed for use as a true ground speed sensor for a ground vehicle. The sensor comprises novel features resulting in a more efficient construction and improved performance. The sensor comprises an ellipsoidal reflector and when used as a true ground speed sensor in a ground vehicle the far focus is at the surface of the ground.

REFERENCES:
patent: 3833906 (1974-09-01), Augustine
patent: 3859660 (1975-01-01), Augustine et al.
patent: 3895384 (1975-07-01), Fathauer et al.
patent: 4231039 (1980-10-01), Fritzlen et al.
patent: 4316173 (1982-02-01), Matsumura et al.
patent: 4317117 (1982-02-01), Chasek
patent: 4354191 (1982-10-01), Matsumura et al.

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