Electronically controlled array for simulation of passive target

Details Electronically controlled array for simulation of passive target Electronically controlled array for simulation of passive target

1984-11-28

1986-12-16

Blum, Theodore M.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a steerable array

342168, G01S 740

Patent

active

046300538

ABSTRACT:
A system for an electronically controlled array for the simulation of passive signatures and noise at millimeter wavelengths. The system can simulate passive background signatures and also superimpose radiation intensity variation to simulate either moving or stationary passive signatures of targets over or within the background. A single, non-varying source of millimeter waves provides the non-coherent radiation for illumination that is required for simulating passive signatures. A controlled array variably controls radiation intensity at each illumination point of the array. The non-varying source is concentrated at the focal axis of a parabolic reflector, providing a plane wavefront of radiated energy.

REFERENCES:
patent: 956489 (1910-04-01), Fessenden
patent: 3386099 (1968-05-01), Walter et al.
patent: 3955199 (1976-05-01), Hutzelman et al.
patent: 4488155 (1984-12-01), Wu
R. Graf, Dictionary of Electronics; (p. 337; Sams, Inc., Indianapolis; 19. )

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