This paper presents an adaptive bathymetric estimation algorithm (ABE) for use with forward-looking hull mounted sonar in shallow water environments. In addition to providing improved positional estimates of ocean bottom contacts in front of the host vehicle, it will automatically estimate and adapt to changes in the local sound speed. Preliminary simulation results are given for a simple two-d...

objective:  to assess whether non-surgical periodontal treatment is associated with changes in serological markers of systemic inflammation. materials and methods: thirty-five systemically healthy subjects with severe generalized periodontitis meeting the inclusion criteria participated in a four-month single blind interventional trial of which thirty-two completed the study. periodontal parame...

In quant-ph/0401155 Wootters and colaborators defined a class of discrete Wigner functions W to represent quantum states in a finite Hilbert space dimension d. I characterize a set Cd of states having non-negative W simultaneously in all definitions of W in this class. For d ≤ 5 I show Cd is the convex hull of stabilizer states. This supports the conjecture that negativity of W is necessary for...

The Indonesian Navy's current unmanned vessel is the first ship made by Research and Development Service. This not optimal, it necessary to redesign hull using model simulation method with assistance of Maxsurf software. By this maxsurf software, will be easier analyze hydrodynamic performance, one which vessel's resistance. shows results that there a reduction in redesigning, software analyzin...

Although scaling and root planing is a cost-effective approach for initial treatment of chronic periodontitis, it fails to eliminate subgingival pathogens and halt progressive attachment loss in some patients. Adjunctive use of systemic antibiotics immediately after completion of scaling and root planing can enhance the degree of clinical attachment gain and probing depth reduction provided by ...

objectives: almond (prunus amygdalus) hull and shell are agricultural by-products that are a source of phenolic compounds.the processing of almond produce shell and hull, accounts for more than 50% by dry weight of the almond fruits. recently, more studies have focused on the influence of storage conditions and postharvest handling on the nutritional quality of fruits, especially the antioxidan...

Supercavitation technology can greatly improve the speed of underwater vehicles by reducing drag. However, time-delay characteristic a supercavitating vehicle presents control challenge. In this paper, linear parameter-varying (LPV) model for is established analysing characteristics planing force. Moreover, considering that cavitation radius easily perturbed external disturbances, LPV delay dep...

Due to the increasing use of composite materials in high-speed planing craft prone frequent slamming, interaction between structural response and hydrodynamic loading, hydroelasticity, must be considered. In this work, a V-shaped wedge model with 20° deadrise angle was vertically dropped into calm water simulate typical hydroelastic slamming. With varied impact velocity flexural rigidity bottom...

The hull–propeller–rudder interaction of the Korea Research Institute Ships & Ocean Engineering Container Ship is studied using a combined experimental fluid dynamic (EFD) and computational dynamics (CFD) method with an innovative approach employed for analysis steady state circular motions. force moment balances are analyzed by decomposing into contributions from bare hull, rudder, propuls...