Self-phasing array with a time-shared processor

Self-supporting columnar antenna array

Self-survey means

Semi-active guidance system

Semipassive responder utilizing a low voltage, low power drain r

Sensor system for metallic targets including doppler radar and r

Sequential lobing track-while-scan radar

Sequential observer multi-functional friend accept decider

Sequential probability ratio test for friend identification syst

Sequentially balanced modulation tone ranging system and method

Sequentially steered receiver with timed recycle calibration

Series fed amplified antenna reflect array

Serrodyne generator

Servo loop processor

Shaped dipole antenna

Short backfire antenna with sum and error patterns

Short pulse microwave source with a high PRF and low power drain

Short range precision navigation and tracking system and method

Short range radar tracking apparatus

Short-pulse non-coherent MTI