Power saving technique for pulse-echo acoustic ranging systems
Ppi display with simulated three-dimensional display
Ppi to raster display scan converter
Practical method for upgrading existing gnss user equipment...
Practical threat analysis
Precise absolute time transfer from a satellite system
Precise measuring device of a projectile's roll with an...
Precise positioning system for mobile gps users
Precision approach and landing system
Precision landing system utilizing ground-based central...
Precision radar altimeter with terrain feature coordinate...
Predictive collision sensing system
Prescription glasses or eye wear with tracking device...
Presence sensing system
Private location detection system
Probe mapping diagnostic methods
Procede d'emission reception radar pour la levee d'ambiguite...
Procede et dispositif de detection et de localisation...
Procede pour filtrer les echos radars produits par des...
Procedes de localisation par ondes de surface d'une source...