Digital signal processing as well as advanced RF and microwave technologies are blending with system automation and machine intelligence to create radar and sonar systems that are more effective than ...

Two surveillance technologies that have been in common use for more than half a century - radio detection and ranging (radar) and sound navigation and ranging (sonar) - may undergo substantial ...

Traditional sonar and radar use an echo-based approach, and have been amazingly successful in sensing and tracking vehicles and objects under water, through the air, or even in space. The principle is ...

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It is an old trope in submarine movies. A sonar operator strains to hear things in the ocean but dares not “ping” for fear of giving away the boat’s location. Radar has a similar problem. If you want ...

Beneath the waves, submarines move like secret agents of the sea. Their job is to stay invisible, and to do that, they must dodge two clever trackers—radar in the air and sonar in the water. Radar is ...

Beneath the ocean’s surface lies one of the most strategically critical — and least visible — battlegrounds in modern warfare. Submarines slip silently through crushing depths, mines lurk on the ...

Malaysian Navy’s SGPVs to feature Thales sonar and radar systems Contraves Advanced Devices has awarded a contract to Thales to supply radar and sonar system in support of the Royal Malaysian Navy’s ...

Sonar, short for Sound Navigation and Ranging, is helpful for exploring and mapping the ocean because sound waves travel farther in the water than do radar and light waves. NOAA scientists primarily ...