Generating three-dimensional images using impulsive radio...

Communications: directive radio wave systems and devices (e.g. – With particular circuit – Display

Reexamination Certificate

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C342S022000, C342S02500R, C342S118000, C342S134000, C342S175000, C342S176000, C342S180000, C342S195000, C342S196000

Reexamination Certificate

active

07053820

ABSTRACT:
Generating an image matrix includes accessing a round-trip time matrix for a space having points. The round-trip time matrix describes an estimated round-trip time for a signal to travel from a transmit antenna, to a point, and to a receive antenna. Signals reflected from an object of the space are received at the receive antennas. The following are repeated for at least a subset of the points to generate an image matrix: select a point of the subset of points; for each receive antenna, establish a waveform of a signal received by a receive antenna and identify a waveform value of the established waveform that corresponds to the selected point according to the round-trip time matrix; and combine the waveform values for the selected point to yield an image value for the selected point. The image matrix is generated from the image values.

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