chapter six

Electronically Scanned Array Reliability*

Jabberia Miller

Northrop Grumman Electronic Systems

Contents

6.1    Introduction

6.2    Probability of Failed Elements

6.3    Mean Time between Failure (MTBF)

6.4    Effects of Module Failures on 1D and 2D Antenna Patterns

6.5    Effect of Module Failures on the Radar Range Equation

6.6    MATLAB Program Listings

6.6.1    Reliability Code

References

6.1    Introduction

An electronically scanned array (ESA) provides a significant advantage over its predecessors (passive arrays and reflector antennas) via beam agility. Phase shifters at each radiator element of an ESA provide the capability of rapidly scanning the array beam on the order of microseconds. The ability to accurately command array ...

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