Purnima Ratilal Associate Professor of Electrical and Computer Engineering purnima@ece.neu.edu 617.373.8458 Expertise acoustical oceanography, acoustics, biomedical ultrasound sensing, image processing, nonlinear scattering theory, remote sensing, statistical inference theory, temporal and spatial signal processing, ultrasonics, underwater acoustics, wave propagation and scattering in random media and multipath environments Purnima Ratilal in the Press Sounds of a feeding frenzy Each autumn night below the surface of the Gulf of Maine, a feeding frenzy takes place. It’s occurred for eons, but until just recently, human observers had little idea what really took went on down in the cold, dark Atlantic waters. Now new research out of Northeastern University brings the scene into focus. In a […] Where the whale things are Whales, the biggest animals on the planet, are also among the hardest to find. They spend most of their time submerged and unseen. But not unheard: Whales are noisy animals that flood the oceans with songs, clicks, moans, and calls. And Purnima Ratilal from Northeastern University has developed a way of listening in on these calls […] Purnima Ratilal for Northeastern Global News Where are the whales? Where are the whales? New research from Purnima Ratilal, an associate professor of electrical and computer engineering whose expertise is in underwater acoustic sensing methods, provides high-resolution localization data of sperm whales swimming in shallow continental shelf waters. Federal and state officials tour Marine Science Center Federal and state officials tour Marine Science Center U.S. Sen. Kerry, Congressman Tierney and state legislators join President Aoun for a tour of Northeastern’s Marine Science Center President leads tour of Northeastern’s coastal research gem President leads tour of Northeastern’s coastal research gem Aoun and faculty walk area leaders through research projects and educational outreach that are the Marine Science Center’s calling card Researchers make key observationabout animal behavior patterns Researchers make key observationabout animal behavior patterns Northeastern and MIT research collaborationuncovers significant behavior patterns through fish shoal imaging.
Sounds of a feeding frenzy Each autumn night below the surface of the Gulf of Maine, a feeding frenzy takes place. It’s occurred for eons, but until just recently, human observers had little idea what really took went on down in the cold, dark Atlantic waters. Now new research out of Northeastern University brings the scene into focus. In a […]
Where the whale things are Whales, the biggest animals on the planet, are also among the hardest to find. They spend most of their time submerged and unseen. But not unheard: Whales are noisy animals that flood the oceans with songs, clicks, moans, and calls. And Purnima Ratilal from Northeastern University has developed a way of listening in on these calls […]