Spacecraft antenna array with directivity enhancing rings

Spacecraft with modular communication payload

Spatially adaptive moving target indicator system for radar equi

Spectral analysis

Spectrum-shape discriminating on/off target indicator

Speed detecting device employing a Doppler radar

Spike enable circuit

Spin echo matched filter ECM detector

Split gate tracker using bipolar converter

Splitter for antenna for AM-FM, CB and method of conversion

Spread beam computational hardware for digital beam controllers

Spread spectrum radar

Stabilized digital PPL radar system

Stabilizing and calibration circuit for FM-CW radar ranging syst

Stable base band adaptive loop

Stacked arrays for broadcasting elliptically polarized waves

Stacked crossed grid dipole antenna array element

Stacked dipole antenna for use in wireless communications...

Stacked dual dipole MMDS feed

Stacked dual dipole MMDS feed