An ultrawideband (UWB) array can be employed to satisfy these requirements.Īnother issue is the effect of the wall that the microwaves must penetrate to permit detection of interior objects. In addition, the transmitted pulse must be low enough in frequency to penetrate the wall, but still have a wide enough bandwidth to provide high range resolution. ![]() Either a synthetic aperture where the receiver is moved or a fixed large receiver array can be used. To achieve good downrange resolution, a short pulse is necessary, and for good crossrange resolution, a large aperture compared to wavelengths is required. It provides a safe way of determining the presence of a human with possibly a weapon inside a building. ![]() Through-the-wall imaging radar has many applications in law enforcement and the military.
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