Target detecting apparatus using electronically agile radar

Details Target detecting apparatus using electronically agile radar Target detecting apparatus using electronically agile radar

2007-10-05

2010-02-16

Gregory, Bernarr E (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Determining distance

With frequency modulation

C342S027000, C342S118000, C342S127000, C342S128000, C342S146000, C342S147000, C342S158000, C342S175000, C342S195000, C342S196000, C701S300000, C701S301000

Reexamination Certificate

active

07663537

ABSTRACT:
A target detecting apparatus mounted on a vehicle has an electronically agile radar detecting a beat signal indicating a difference in frequency between transmission and reception signals and producing a time series of N reception data from the beat signal, a determining unit determining search areas placed at different ranges of distance from the vehicle while considering a running state of the vehicle and determining a data length for each search area, an extracting unit extracting (N−M+1) time series of short time data, respectively, having the data length corresponding to M reception data from the N reception data for each search area, a producing unit producing phase information from the short time data for each search area, and a detecting unit determining a target distance and a target bearing from the phase information and detecting a target from the target distance and the target bearing.

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