Accession Number:

ADA172708

Title:

Predicting Antenna Sidelobe Performance

Descriptive Note:

Final rept.

Corporate Author:

MITRE CORP BEDFORD MA

Personal Author(s):

• Kaplan, Philip D.

Report Date:

1986-08-01

Pagination or Media Count:

38.0

Abstract:

Given a set of antenna array performance requirements, the dimensions and illumination taper of an ideal array may be determined. However, random errors in actual manufacturing lead to uncertainty as to actual array performance. It is shown here that the performance is nonetheless predictable with a probability function that rests on the contractors decisions in the fabrication of the array. The derivation of curves that relate this probability function to a range of conditions, overdesign allowances and production tolerances, is the salient feature of this paper. When sidelobe specifications allow for occasional statistical pop-ups, the specified levels may be better adapted to requirements. The contractor, in turn, could decide on the proper choice between overdesign and tolerances, in a measured response to the specified performance. Keywords include Antenna Sidelobe, Array Tolerances, Phased Arrays, planar Arrays, and TolerancesOverdesign.

Descriptors:

• *SIDELOBES
• *ANTENNAS
• *PHASED ARRAYS
• RESPONSE
• PERFORMANCE(ENGINEERING)
• GAIN

Subject Categories:

• Electrical and Electronic Equipment
• Radiofrequency Wave Propagation

Distribution Statement:

APPROVED FOR PUBLIC RELEASE