Pattern Degradation of Space Fed Phased Arrays
MASSACHUSETTS INST OF TECH LEXINGTON LINCOLN LAB
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The far field pattern degradation of space fed phased arrays suitable for a space based radar is examined. The effects considered are Structural 1 Axial lens surface distortions, 2 Uniform radial thermal expansion, and 3 Axial and lateral feed displacements Electrical 1 Element phase and amplitude excitation errors, and 2 Failed elements. An introductory section discusses the size, cost, and weight penalties of low sidelobe designs. The final section presents a method of phase compensation or coherence of large axial lens distortions.
- Active and Passive Radar Detection and Equipment
- Unmanned Spacecraft