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 ...

NT Reporter Panaji India is developing indigenous sensor technologies for defence to reduce dependence on foreign systems and strengthen its ability to monitor threats in the air and underwater, ...

One of the most common ways of measuring the speed of a vehicle is by using radar, which typically involves generating radio waves, directing them at a moving vehicle, and measuring the various ways ...

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 ...