G - Physics – 01 – S
Patent
G - Physics
01
S
G01S 13/32 (2006.01) G01S 13/34 (2006.01)
Patent
CA 2295863
The invention concerns a method for ambiguity processing on distance measurements carried out by radar whereby the radar transmits a signal switched between a first frequency (F1) and a second frequency (F2) and receives the signals sent back by a target on two receiver channels each associated with one frequency (F1, F2), the measurements being carried out on the basis of the phase difference between the signals present on each channel, each channel (41, 42) receiving a signal whereof the frequency ranges between the first and the second frequency, at the Doppler frequency near the target. The invention is applicable in particular to continuous wave radar whereof the frequency of the transmitted signal is alternately switched between at least two frequencies.
The invention concems a method for ambiguity processing on distance measurements carried out by radar whereby the radar transmits a signal switched between a first frequency (FI) and a second frequency (F2) and receives the signals sent back by a target on two receiver channels each associated with one frequency (F1, F2), the measurements being carried out on the basis of the phase difference between the signals on each channel, each channel (41, 42) receiving a signal whereof the frequency ranges between the first and the second frequency, at the Doppler frequency near the target. The invention is applicable in particular to continuous wave radar whercof the frequency of the transmitted signal is altemately switched between at least two frequencies.
Artis Jean-Paul
Kemkemian Stephane
Robic
Thales
Thomson-Csf
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