G - Physics – 01 – S
Patent
G - Physics
01
S
G01S 13/34 (2006.01) G01S 13/42 (2006.01) G01S 13/91 (2006.01) G01S 13/94 (2006.01) H01Q 3/22 (2006.01)
Patent
CA 2130662
Monitoring an area with the aid of a frequency- modulated continuous-wave radar includes emitting a frequency- modulated continuous-wave transmitting signal with at least one transmitting antenna having a directional pattern whose main azimuthal direction depends on the frequency of the transmitting signal. Related to a predeterminable direction, an azimuthal region is selected, and in the selected region, an azimuthal swivelling of the directional pattern of the transmitting antenna is carried out by changing the frequency of the transmitting signal. Also in the selected region, each azimuthal value is assigned a frequency value of the transmitting signal. The selected region is divided into a predeterminable number of azimuthal increments adjoining one another, and in each of the increments, a monotonous change of the frequency of the transmitting signal occurs. A reflected portion of the transmitting signal, which is reflected by the area to be monitored, is received with a receiving antenna, and a coherent signal processing for evaluating the receiving signal for each increment coherent signal processing is carried out.
Gruner Wilhelm
Liem Tiang-Gwan
Deutsche Aerospace Ag
Fetherstonhaugh & Co.
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