Non-coherent marine radar technology has matured over the past several decades. Researchers have investigated coherening one or more magnetron oscillator based marine radars by sampling the radar signals on transmit and receive [1]. We leverage this research to contribute to the science and technology of RF Tomography based upon exploitation of marine radar technology and these sampling techniques. This requires many steps. First, selecting and suitably modifying an affordable yet suitable marine radar. In this case, we employ a Furuno DRS25A. Second, by embedding an RF sampling circuit, we capture samples of the various radar waveforms. Third, we digitize these transmit and receive signals using a Signatec ADC model PX1500. Next, we design an experimental geometry to support image formation via RF Tomography. We apply Filtered Back projection (FBP) based upon the Fourier Slice Theorem (FST) in order to the match filtered the data and image targets. We provide both simulation analysis and experimental results in this paper.
Applying filtered back projection algorithm for pseudo-coherent radar
01.06.2017
510552 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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