US researchers develop MMW-based vibrometry technique
The US Naval Research Laboratory (NRL) has developed new technology that will allow radar operators to effectively ‘hear’ what a target is doing.
The technology uses a millimetre-wave (MMW) radar that is capable of sensing vibrations, which are then translated using a new algorithm into sounds that can be characterised and measured, according to NRL.
For example, this vibrometry technique would enable an operator to tell if a parked vehicle has been turned on, or even whether a door is opening or closing.
The algorithm is not dependent on range, and is only limited by signal-to-noise ratio, which depends on the
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