G - Physics – 01 – S
Patent
G - Physics
01
S
G01S 13/89 (2006.01)
Patent
CA 2705974
A method and a device for the spatially resolved detection and reconstruction of objects by means of microwaves is decribed, in which at least one object to be detected is subjected to microwaves that are generated by a plurality of microwave antennas and microwave fractions reflected by the object are detected and converted into microwave signals that can be analyzed, based on which an analysis for the spatially resolved object detection is carried out. The invention is characterized in that the generation and detection of microwaves is performed as follows: a) providing n microwave antenna units in spatial distribution about the object to be detected, in which the distance between each microwave antenna and the respective adjacent microwave antenna unit is greater than the wavelengths of the microwaves, b) selecting and activating a first microwave antenna unit for transmitting microwaves, c) receiving the microwaves reflected from the object with m microwave antenna units, where m <= n, and generating microwave signals, d) storing the microwave signals, e) selecting and activating another microwave antenna unit for transmitting microwaves and carrying out method steps c) and d), f) carrying out method step e) repeatedly, with selectin of another microwave antenna unit in each case, on condition that the next microwave antenna unit is not the same as a microwave antenna unit that has been selected previously, and g) analyzing the stored microwave signals.
L'invention concerne un procédé et un dispositif pour, à l'aide de microondes, détecter des objets (P) dans l'espace et les reconstruire. Au moins un objet à détecter est exposé à des microondes qui sont produites par une multiplicité d'antennes à microondes (1), et les composantes de microondes réfléchies par l'objet sont détectées et transformées en signaux microondes interprétables, sur la base desquels est effectuée une interprétation afin de détecter l'objet dans l'espace. Les antennes (1) sont activées individuellement et successivement pour émettre des microondes.
Bulavinov Andrey
Kroening Michael
Pinchuk Roman
Cameron Ip
Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung
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