Advances in Sonar Technology 2012 Part 1 pptx

... DAP = A 11 A 12 2A 16 B 11 B 12 2B 16 A 12 A 22 2A 26 B 12 B 22 2B 26 A 16 A 26 2A 66 B 16 B 26 2B 66 B 11 B 12 2B 16 D 11 D 12 2D 16 B 12 B 22 2B 26 D 12 D 22 2D 26 B 16 B 26 2B 66 D 16 D 26 2D 66 ⎡ ... Uninhabited Aerial Vehicles (UAVs) 5 Conventionally Attached Piezoelectric Actuators: N M ⎧ ⎨ ⎩ ⎫ ⎬ ⎭ CAP = A 11 A 12 0 B 11 B 12...

Ngày tải lên: 19/06/2014, 23:20

... Crucial in this context is to avoid engine throttle saturation. Therefore, in this experiment only a heading change has been considered, as shown 1 06 Advances in Flight Control Systems Advances in Flight ... control inputs (control surface deflections and engine settings) relevant for the aerodynamic forces and moments. The candidate regressors are shown in table 2....

Ngày tải lên: 19/06/2014, 23:20

... Systems, vol .1, pp.499 – 502, 0-7803- 919 7-7, August 2005. Recent Advances in Biomedical Engineering Edited by Dr Ganesh R Naik In- Tech intechweb.org Recent Advances in Biomedical Engineering1 2 ... specialization including bioinstrumentation, bioimaging, biomechanics, biomaterials, and biomolecular engineering. Biomedical engineering covers recent advanc...

Ngày tải lên: 21/06/2014, 19:20

... p. cm. ISBN 978-3-902 613 -48-6 1. Advances in Sonar Technology, Sergio Rui Silva Advances in Sonar Technology 4 Ray tracing Ray tracing (Bell 19 97) 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, resulti...

Ngày tải lên: 21/06/2014, 19:20

... 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 ... 445-448, April 19 93. Foo, K.Y.; Atkins, P. R.; Collins, T. (20 03) “Robust Underwater Imaging With Fast Broadband Incoherent Synthetic Aperture Sonar , Proceedings of IEEE International Co...

Ngày tải lên: 21/06/2014, 19:20

... 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 52 3.1 .4 Radiation pattern The radiation pattern or sonar footprint of a stripmap SAS system maintains...

Ngày tải lên: 21/06/2014, 19:20

... Advances in Sonar Technology 76 the scanning motion of the emitter antenna (and possibly the sensor antenna) may in this case influence the scaling. In general, we assume that the scaling ... Sciences and Technology, Norwegian University of Life Sciences, 2 Institute of Energy Technology, Department of Process and Fluid Flow Technology, Norway 1. Introduction In r...

Ngày tải lên: 21/06/2014, 19:20

... of σ 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 94 ... cleaner data. Signal processing may be performed in both time-domain and Advances in Sonar Technology 96 for ship identification. In sequence, the signal is squared as i...

Ngày tải lên: 21/06/2014, 19:20

... pursuit, Advances in Neural Information Signal Processing, no. 10, pp. 273 - 279 . Hyvärinen, A. (1998b) Independent component analysis in the presence of Gaussian noise by maximizing joint likelihood. ... models remain valid. Advances in Sonar Technology 120 since the reader dealing with low-resolution sonar images may use the very same detection method proposed...

Ngày tải lên: 21/06/2014, 19:20

... (segmentation) and kurtosis parameters in Fig. 3 Advances in Sonar Technology 140 In a similar way, we define a rate of error knowing the environment truth by the following expression: ( ) ( ) ( ) ∑ =∩ += ø 2 1log/ BA AAmBmEr ... images obtained for each proposition with the kurtosis parameter in Fig. 3 Fig. 28. Mass images obtained after fusion of the three para...

Ngày tải lên: 21/06/2014, 19:20

... http://www.npt.nuwc.navy.mil/UUV Walsh G. ( 196 9). Acoustic Mapping Apparatus. US patent n° 3484737, 196 9. Advances in Sonar Technology 156 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...

Ngày tải lên: 21/06/2014, 19:20

... are pointed out in this new, fascinating, and open field of research. 2. Propagation of ultrasonic waves in the atmosphere Sound propagation in the atmosphere has been the subject of intensive ... L.; Schalles, J.; Hutchins, K. & Keck, J. (2002). Classifying and mapping general coral-reef structure using Ikonos data. Photogrammetric Engineering and Remote Sensing, 68, 1297-1305...

Ngày tải lên: 21/06/2014, 19:20

... 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 that the map size remains ... relates the sonar readings to the robot pose. Line 3 uses the measurement model to incorporate the current readings into the particle set by computing the importance factor . Th...

Ngày tải lên: 21/06/2014, 19:20

... i-th sonar sensor. Let be defined as the set of readings in represented with respect to the coordinate frame of using the relative motion proposed by the particle: (6) Advances in Sonar ... approach to linear filtering and prediction problems. Transactions of the ASME. Journal of Basic Engineering, Vol. 82, March 1960, pp. 35- 45. Advances in Sonar Technology...

Ngày tải lên: 21/06/2014, 19:20

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Ngày tải lên: 07/07/2014, 22:20