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System and method of radar location

  • US 9,035,824 B2
  • Filed: 02/22/2013
  • Issued: 05/19/2015
  • Est. Priority Date: 02/24/2012
  • Status: Active Grant
First Claim
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1. A system for radar location comprising:

  • radar signal emission means, configured to emit a radar signal comprising at least one emitted pulse, an emitted pulse having a duration T1 and an associated index i and starting at an instant T2(i), said pulse being modulated by at least one code preserving good autocorrelation properties when a fraction of the said code is used;

    means for receiving reflected radar signals;

    means for determining a correlation between a reconstruction of the at least one emitted pulse and the radar signal received during a time interval starting at T2(i)+2*T1 and finishing at T2(i+1);

    said means for determining the correlation being further adapted for;

    reconstructing a set, of at least one truncated pulse j, a truncated pulse j being of duration T3(j), smaller than the duration of the emitted pulse T1 and corresponding to a final part of the said emitted pulse, said truncated pulses being of increasing respective durations,determining at least one first correlated signal j by correlation of said truncated pulse j and of the reflected radar signal received during the time interval starting at T2(i)+T1 and finishing at T2(i)+T1+T3(j),determining a second signal, on the basis of all or part of the set of correlated signals j, by copying the time interval, of said correlated signals j, starting at T2(i)+T1+T3(j

    1) and finishing at T2(i)+T1+T3(j), onto the time interval, of said second signal, starting at T2(i)+T1+T3(j

    1) and finishing at T2(i)+T1+T3(j).

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