[PDF] Top 20 Power Estimation of Acoustic Sources by Sensor Array Processing

... an array of receive our simulations, we assume a uniform linear array with N = 6 omnidirectional sensors and half-wavelength sensor ...point sources are located at bearings of— 30˚, 0˚, 22˚ ... See full document

... of acoustic energy within the infrasound band (0-20 ...an array of microphones was deployed without any additional sensor types for 36 hours at Santiaguito, Guatemala, to test the detection ... See full document

... virtual sensor elements, where N is the number of physical ...DOA estimation in the difference coarray domain which behaves like an uniform linear ...uncorrelated sources can be ...) sources ... See full document

... EmVS array to perform parameter estimation of coherent ...coherent sources, an EmVS sub- array averaging-based pre-processing (EVSA) algorithm is ...coherent sources without ... See full document

... the array (the aperture), regardless of the available data collection time and signal to noise ...time-delay estimation methods to more than one signal ( these techniques originally used two sensors ), and ... See full document

... (DOA) estimation for distributed signals with electromagnetic vector sensors, of which each provides measurements of the complete electric and magnetic fields induced by electromagnetic (EM) ...the sources ... See full document

... typical acoustic channel can be visualized as a transformation of its free field behaviour, due to scattering and reflections off the measurement apparatus and the surfaces in a ...the acoustic wave ... See full document

... an array equipped with M acoustic vector sensors, which are all located at arbitrarily unknown three-dimensional positions as shown in Figure ...the sources are far away enough that the arriving ... See full document

... in sensor channels for array signal processing, and they have serious impacts on the performance of most algorithms, especially in practical ...(DOA) estimation of far-field sources in ... See full document

... received power from a particular direction, then we assume that is the signal’s ...primitive estimation technique has many ...signal sources, a conventional fixed antenna has difficulty in detecting ... See full document

... seismic polarized signals, allowing data organization closer to its multimodal intrinsic structure. This paper presents a novel subspace separation method performing wavefields separation. This method issued from the ... See full document

... The acoustic vector sensor (AVS) array is a powerful tool for underwater target ’ s direction-of-arrival (DOA) estimation without any bearing ...DOA estimation algorithms generally ... See full document

... each sensor could help us to interpret what happens between the packag- ing and consumption of non-alcoholic ...the sensor array of the electronic nose, we want to reduce the number of sensors; by ... See full document

... an acoustic pulse, which propagates through the whole test piece, so the maximum measurement depth is only limited by excitation frequency and material properties and is around 10mm (bulk measurement) (O’Sullivan ... See full document

... wireless acoustic sensor systems (WASNs), testing rate balances (SROs) between hubs are inescapable, and perceived as one of the difficulties that must be settled for a sound exhibit ... See full document

... antenna array affects the spatial resolution of both DOA ...adjacent sources may be located with a smaller mutual ...wrong estimation of the DOA of ... See full document

... The acoustic sensor-based estimation can have difficulties from two dif- ferent perspectives—the system dynamics and the estimation ...the acoustic sensor can be different. If so, ... See full document

... receiver sources which receives data such as a car being moving on the left or right of a car linearly in front without complex processing or GPS tracks the ...signal processing important to filter ... See full document

... frequency signal in water and in the slow acoustic velocity medium respectively. Only sum frequency is considered here because the principle for the difference frequency signal is the same. Then, the contribution ... See full document

... desired power onsumptions, respetively, ε is the environmental brightness measured outdoor, and α and β are the user-dened weights to balane the impat of the two ... See full document