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Hyperbolic frequency modulated (HFM) waveforms offer detection performance that is “Doppler insensitive”— relatively unaffected by target range-rate—in both narrowband and wideband transmissions. They have been applied in radar; but more they are particularly useful in sonar where the wideband Doppler insensitivity is especially prized. However, Doppler insensitivity does come hand in hand with a...
The Maximum Likelihood Probabilistic Data Association (ML-PDA) tracker and the Maximum Likelihood Probabilistic Multi-Hypothesis (ML-PMHT) tracker were applied to five synthetic multistatic active sonar scenarios featuring multiple targets, multiple sources, and multiple receivers. For each of the scenarios, Monte Carlo testing was performed to quantify the performance differences between the two...
In a practical distributed detection application a large number of resolution cells are continually being tested. A key observation is that most resolution cells will be empty and obviously so, and hence transmission, depending on the coarseness of quantization either of many local "no" decisions or of low-valued local likelihood ratios, is wasteful both of communication bandwidth and of...
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