Advances in Sonar Technology 2012 Part 9 potx
Advances in Sonar Technology 2012 Part 9 potx
... http://www.npt.nuwc.navy.mil/UUV
Walsh G. ( 196 9). Acoustic Mapping Apparatus. US patent n° 3484737, 196 9.
Advances in Sonar Technology
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uneconomical and inefficient. Evans et al. (Evans et al., 199 9) investigated ... there has been an increasing emphasis on the integration of multiple
sonar sensors during marine survey operations (Wright et al., 199 6; Laban, 199 8; Po...
Advances in Sonar Technology 2012 Part 3 potx
... is obtained by sensing, recording, and processing the ping-to-ping
phase history resulting from the variation in slant range caused by the projector’s main lobe
illumination pattern moving past ... and squint look operations", OCEANS &apos ;98 Conference
Proceedings, vol.2, no., pp .96 0 -96 4 vol.2, 28 Sep-1 Oct 199 8.
Nelson, M. A. ( 199 8). “DARPA Synthetic Aperture Sonar , Pro...
Advances in Sonar Technology 2012 Part 1 pptx
... p. cm.
ISBN 97 8-3 -90 2613-48-6
1. Advances in Sonar Technology, Sergio Rui Silva
Advances in Sonar Technology
4
Ray tracing
Ray tracing (Bell 199 7) is a method to calculate the path ... replaced by a final image level scaling. Computations can be performed directly
in image space, removing also the need for the FFT when working in frequency domain,
resulting...
Advances in Sonar Technology 2012 Part 4 pptx
... mapping operation is carried out using an interpolation process. The final step is to
invert the Fourier domain with a windowing function WW(k
x
,k
y
) to reduce the side lobes in
the final ... 2-D weighting function to be applied to the
Advances in Sonar Technology
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3.1.4 Radiation pattern
The radiation pattern or sonar footprint of a stripmap SAS system maintains th...
Advances in Sonar Technology 2012 Part 5 pptx
... signals occur in radar and sonar processing, but also in other fields such as
medicine (Jane et al., 199 1; Schijvenaars et al, 199 4; Laguna & Sornmo, 2000) and
environment monitoring (Viciani ...
Advances in Sonar Technology
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the scanning motion of the emitter antenna (and possibly the sensor antenna) may in this
case influence the scaling. In general, we as...
Advances in Sonar Technology 2012 Part 6 pptx
... and Δ obtained by performing the computations described in the main text (solid
lines) and corresponding asymptotical estimates (eqs. 26, dashed).
Advances in Sonar Technology
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measurement ... cleaner data. Signal processing may be performed in both time-domain and
Advances in Sonar Technology
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for ship identification. In sequence, the signal is squared...
Advances in Sonar Technology 2012 Part 7 doc
... Processing, ISBN: 0- 890 06-453 -9. Artech House Inc,
Nortwood, MA, 199 1.
Nielsen, R. O. ( 199 9). “Cramer-Rao lower bounds for sonar broadband modulation
parameters”. IEEE Journal of Ocean Engineering, ... no. 3, pp. 285- 290 , July 199 9.
Papoulis,A. ( 199 1), Probability, Random Variables, and Stochastic Processes. McGraw-Hill.
Peyvandi, H., Fazaeefar, B., Amindavar, H ( 199 8). De...
Advances in Sonar Technology 2012 Part 8 docx
... (segmentation) and kurtosis parameters in Fig. 3
Advances in Sonar Technology
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In a similar way, we define a rate of error knowing the environment truth by the following
expression:
(
)
(
)
(
)
∑
=∩
+=
ø
2
1log/
BA
AAmBmEr ... decreasing mass (from one to zero) for the
proposition “nonobject,” an increasing mass (from zero to one) for the proposition “doubt,”
Advan...
Advances in Sonar Technology 2012 Part 11 doc
... P r D e
α
ϕθ ϕθ
−
⋅
=⋅ ⋅
(3)
Advances in Sonar Technology
188
Remote Sensing Conference Proceedings (pp. 9. 5.1 -9. 5.6). Canberra, Australia, pp. 9. 5.1-
9. 5.6.
Karpouzli, E.; Malthus, T. ... & Clark, C. D. ( 199 7). Coral reef habitat-mapping:
how much detail can remote sensing provide? Marine Biology, 130, 193 -202.
Mumby, P. J. & Harborne, A. R. ( 199 9). Dev...
Advances in Sonar Technology 2012 Part 12 pdf
... itself. The particle filter is
in charge of recursively updating the particle set. Dellaert et al. (Dellaert et al. 199 9) and Fox
et al. (Fox et al. 199 9) introduced particle filters in the localization ... illustrated in Figure 2.
Line 7 is in charge of building the new local map of each particle, by adding the current set
of sonar readings and discarding to oldest readings so...
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