What specific radar technology is utilized for detecting faint biological signals through heavy debris?
Answer
Ultra-wideband (UWB) radar
Ultra-wideband radar systems are employed in rescue operations due to their ability to achieve the necessary penetration depth and resolution required to pass through dense barriers, such as concrete and layers of dust. These systems operate by sending microwave energy through substantial obstacles to monitor for minute physical movements. This technology is essential for isolating faint biological Doppler shifts, allowing rescue teams to identify the presence of a survivor even when they are deeply buried and hidden from visual or acoustic detection.
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