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Actually the PRI also changes. There is a complete explanation about this topic in "Cobbold - Foundations of Biomedical Ultrasound" chapter 10 (Pulsed Methods for Flow Velocity Estimation and Imaging). Consider a case where PRI of emitted pulse is 1 s and the wave speed is 9 m/s and the object is 10 m away and moving with speed of 1 m/s toward the antenna. ...


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Your question has received quite few contributions, probably because of a lacking content. During a recent conference , I came across the PhD thesis: D├ętection en Environnement non Gaussien (Detection in a non-Gaussian environment). Since it is in French, I reproduce the abstract here: For a long time, radar echoes coming from the various returns of the ...


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My doubt is, when the sound signal is reflected back, it is greatly attenuated and distorted due to many factors. That's true! Do they use MFCC(which I think is only good for audible range) I don't see how MFCC come into play here, at all. Radar/sonar applications typically depend on some kind of comparison between TX and RX, and a power spectrum only ...


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