[PDF] Top 20 Acoustic modem for underwater communications
Has 757 "Acoustic modem for underwater communications" found on our website. Below are the top 20 most common "Acoustic modem for underwater communications".
Acoustic modem for underwater communications
... Complex time-domain equalisers are required with single-carrier modulations because the non-ideal channel response, with large time spread, introduces significant ISI. One way to reduce the receiver-side complexity is to ... See full document
66
Superimposed training low probability of detection underwater communications
... The objectives of this paper are to present a superimposed training method for underwa- ter acoustic communications in a low SNR environment, and to demonstrate its feasibility for LPD communications ... See full document
7
Joint passive time reversal and multichannel equalization for underwater communications
... speed. The experiment started at a close range of 0.6 Km to the south of the AOB and the source progressively opened range to the southeast along an approximately range independent path (bottom depth 110 m) up to 2 Km. ... See full document
6
Using normal mode channel structure for narrow band underwater communications in shallow water
... true acoustic channel, and in the right side the set of possible digital signals travel through an estimated channel computed using the physical parameters of the true ... See full document
5
Vector sensor arrays in underwater acoustic applications
... the acoustic case, to compare the DOA estimation performance of a VSA to that of an array that measures only scalar acoustic ...[5], underwater communications [6], underwater ... See full document
8
A versatile acoustic beacon for navigation and remote tracking of multiple underwater vehicles
... Finally, the processor unit is a micro-controller board that monitors the incoming signals, computes the expected delay and replies with the proper signal, according to a predetermined set of Rx/Tx pairs. This board is ... See full document
6
Adaptation of an acoustic propagation model to the parallel architecture of a graphics processor
... An acoustic vector sensor (VS) is a device that measures the three orthogonal components of the particle velocity simultaneously with the pressure field at a single position in ...[6], underwater ... See full document
104
Underwater acoustic communication system : performance evaluation of digital modulation techniques
... the underwater wireless communication systems has aroused a great in- terest of research due to its strong potentiality of applications in several areas that stand out research on marine life, environmental ... See full document
130
Underwater communications for moving source using geometry-adapted time reversal and DFE UAN10 data
... for underwater communications between a moving source and a fixed receiver array (implying a range change) ...for Underwater Acoustic Network (UAN) project, is called UANI0 data and used in ... See full document
7
Probe timing optimization for time-reversal underwater communications
... The simulation scenario comprises a range independent acoustic channel with 100 m depth, over a 1.5 m thick silt sub- bottom and a gravel like bottom. The arrival pattern computed with the Bellhop ray/beam model ... See full document
8
Passive time reversal probe-signal capture optimization for underwater communications
... for underwater communications where a channel probe is sent ahead of the data ...the acoustic channel which, in turn, depends on the environment properties and on the experimental ...practical ... See full document
6
Performance analysis of multichannel lattice equalization in coherent underwater communications
... two underwater acoustic communication ...for underwater equalization due to its robust numerical behavior and linear scaling of the computational complexity with filter ... See full document
8
Combined adaptive time reversal and DFE technique for time-varying underwater communications
... For simulated data, we consider the south of Elba island site which is a candidate location for the Underwater Acoustic Net- works (UAN) project funded by the European Commission. A receiver array of ... See full document
8
Underwater communications using virtual time reversal in a variable geometry channel
... no acoustic paths can be distinguished in the probe signal of figure 4(a), possibly due to a very tight mul- tipath structure unresolved by the short signal bandwidth and that the vTRM output shows an almost ... See full document
6
Underwater acoustic communication using a time-reversal mirror approach
... sampled acoustic field at location B is then time-reversed, and retransmitted back to location A using the array of sources which are collocated with the receiving ... See full document
6
Environmental model-based time-reversal underwater communications
... of underwater acoustic communications using wireless sys- tems, reviews the state of the art and shows the motivation of the work for developing a channel compensation method based on inserting ... See full document
183
Multi-node processing for asymmetrical communications in underwater acoustic networks
... Abstract— Underwater acoustic communication networks have attracted attention for its applications in many areas such as mine warfare, rapid environmental assessment or search and rescue, where there is the ... See full document
7
Wideband and wide beam polyvinylidene difluoride (PVDF) acoustic transducer for broadband underwater communications
... Before implementation, the transducer design was subject to a Finite Element Method (FEM) simulation, in order to estimate the geometry performance. The design model prototype was implemented in a COMSOL Multiphysics ... See full document
18
Potential of vertical line array beamforming in underwater acoustic communications
... This paper will demonstrate the potential of using VLA beamformer for underwater communication system. The idea is motivated by [6] where it was shown that each arrival is affected by different environmental ... See full document
8
Experimental results of underwater cooperative source localization using a single acoustic vector sensor
... An acoustic vector sensor (VS) is a device that measures the three orthogonal components of the particle velocity simultaneously with the pressure field at a single position in ...[6], underwater ... See full document
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