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Abstract

A battlefield personnel threat detection system for identifying and analyzing vibrations corresponding to an immutable characteristic of a target of interest includes a transmitter for producing a transmit laser beam by amplification of a primary coherent laser signal, a coherent receiver responsive to backscattered light produced by interaction of the transmit laser beam with the target of interest and generating data corresponding to the immutable characteristic of the target of interest, and a control and display module for analyzing the data to thereby detect the presence of the target of interest and for controlling operation of the transmitter and the receiver. The target of interest can be an enemy soldier. In the battlefield personnel threat detection system, the control and display module permits the transmitter and the receiver to operate in an agile search mode of operation in which spectra indicative of the enemy soldier are produced and a signature classification mode of operation in which the spectra are analyzed for the immutable characteristic of the enemy soldier, by which the enemy soldier can be located. A method for operating a battlefield personnel threat detection system including a micro-doppler ladar system and a signal processor is also described.

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First Claim