Distributed direct position determination

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August undefined, 2024

WebThe direct position determination (DPD) algorithms have been shown to outperform conventional two-step methods in localization accuracy under poor observation … WebJun 1, 2016 · A fully distributed adaptive direct position determination algorithm is developed for the first time with nontrivial extension of the diffusion framework. The …

Distributed Direct Position Determination IEEE Journals & Magazine

WebOct 17, 2024 · Direct position determination (DPD) is a promising technique, which localizes transmitters directly from original sensor outputs without estimating intermediate parameters in a single step. Therefore, DPD improves the location accuracy and avoids the data association problem, compared with the conventional two-step methods. However, … WebMay 25, 2024 · [9] Oispuu M and Nickel U 2010 Direct detection and position determination of multiple sources with intermittent emission Signal Process. 90 3056–64. Crossref; Google Scholar [10] Pourhomayoun M and Fowler M L 2014 Distributed computation for direct position determination emitter location IEEE Trans. Aerosp. … microg system spoofs signature

Distributed computation for direct position determination emitter locati…

WebJul 18, 2004 · Advances in direct position determination. We examine the performance of the direct position determination (DPD) approach in the presence of model errors and multipath propagation. DPD is a method that was recently introduced A. J. Weiss (2004). We have demonstrated that DPD outperforms the conventional location methods (AOA/TOA) … WebJan 21, 2005 · The most common methods for position determination of radio signal emitters such as communications or radar transmitters are based on measuring a specified parameter such as angle of arrival (AOA) or time of arrival (TOA) of the signal. The measured parameters are then used to estimate the transmitter's location. Since the … WebNov 17, 2024 · This paper analyzes how MLE-based DPD and CNN-based DPD can be reduced in formulations and explores ways to achieve efficient DPD. We propose a CNN … microg for youtube

A Frequency Domain Direct Localization Method Based …

Direct Position Determination for Wideband Sources Using Fast ...

WebThe most widely used localization technology is the two-step method that localizes transmitters by measuring one or more specified positioning parameters. Direct position … WebApr 11, 2024 · To eliminate the bottleneck of computation and communication capability in classic direct position determination, recently several fast approximation methods have been proposed. However, the estimation accuracy of these methods is not satisfactory. microg grapheneosWebApr 11, 2024 · Recently, direct position determination (DPD) method [ 1] has gained extensive attention in the field of passive location because of its good performance. The … the order of the falcon

"WebApr 1, 2024 · 6. Discussion and conclusions. This paper proposes an EM implementation of direct position determination (DPD). We have demonstrated that by choosing the latent variables as the transmitter-sensor range vector, we can decouple the maximization over the transmitter coordinates from the maximization over the nuisance parameters. " - Distributed direct position determination

Distributed direct position determination

Direct Position Determination of Coherently Distributed

WebSep 21, 2024 · The direct position determination (DPD) algorithms have been shown to outperform conventional two-step methods in localization accuracy under poor … WebFeb 17, 2024 · Distributed array manifold perturbation, which includes synchronization errors, amplitude-phase errors, and path attenuation, has seriously degraded the accuracy of existing direct position determination (DPD) methods. In this paper, a DPD method under unknown multi-perturbation with moving distributed coprime arrays is advocated …

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WebIn this paper, a direct position determination (DPD) method is proposed to improve the positioning accuracy and robustness, which is based on a correlation algorithm. Firstly, the cost function directly related to the location of the source can be established by synthesizing the data received by multiantenna in the frequency domain. WebOct 24, 2024 · In this paper, a direct position determination (DPD) algorithm based on distributed opportunistic arrays is proposed in the cases of known and unknown signal, respectively. Opportunistic array radar (OAR) is a new type of digital radar recently proposed, with its array antennas randomly and densely arranged on accessible space. …

WebJun 1, 2024 · We propose herein a noise-constrained distributed adaptive direct position determination (NCD-ADPD) algorithm by exploiting the a priori knowledge of the noise … WebMa Z. M. Liu and F. Guo "Distributed Direct Position Determination" IEEE Transactions on Vehicular Technology vol. 69 no. 11 pp. 14007-14012 Nov. 2024. 11. K. Hao and Q. Wan "High Resolution Direct Detection and Position Determination of Sources With Intermittent Emission" IEEE Access vol. 7 pp. 43428-43437 2024.

WebAbstract—Classical localization systems based on TDOA/FDOA use a two-stage estimation approach. In the first stage, pairs of sensors share data to estimate TDOA/FDOA. Then, … WebJan 28, 2024 · In this paper, the problem of source localization using one-step direct position determination (DPD) approaches with large-aperture horizontal line arrays is considered. In practice, it may be diff...

WebThe existing localization algorithms for coherently distributed (CD) sources fail to achieve the best localization performance because of position information loss and error …

WebFeb 1, 2016 · Fig. 1. Problem geometry. - "High Resolution Direct Position Determination of Radio Frequency Sources" Skip to search form Skip to main content Skip to account ... This paper considers the distributed DPD of a static source in large-scale sensor networks and proposes to transmit the low-dimensional sufficient statistics across the sensor ... microg fire tabletWebOct 26, 2016 · The performance of the recently proposed high-resolution direct position determination method is analyzed. The method is based on minimum-variance-distortionless-response considerations to create a high-resolution spectrum (heat map) that enables single-step localization of multiple radio frequency emitters. Under the … microg there was a problemWebSep 21, 2024 · Distributed Direct Position Determination. Abstract: The direct position determination (DPD) algorithms have been shown to outperform conventional two-step methods in localization accuracy under poor observation conditions (e.g., low … microg in gWebNov 26, 2024 · This paper investigates the geolocation for an over-the-horizon (OTH) transmitter observed by widely separated arrays. We propose a maximum likelihood (ML) based direct position determination (DPD) method to directly locate the transmitter in a single step by exploiting the position information embedded in azimuth angles. The … microg through wsaWebWithout the estimation of the intermediate parameters, the direct position determination (DPD) method can achieve higher localization accuracy than conventional two-step … microgads softwareWeb[12] Pourhomayoun M., Fowler M.L., Sensor network distributed computation for direct position determination, in: 2012 IEEE 7th Sensor Array and Multichannel Signal Processing Workshop (Proceedings of the IEEE Sensor Array and Multichannel Signal Processing Workshop), IEEE, New York, 2012, pp. 125 – 128. Google Scholar the order of the golden circle imagesWebNov 17, 2024 · The direct position determination (DPD) method is more accurate than the previous two-step method in passive positioning. ... Distributed computation for direct position determination emitter location. IEEE Trans. Aerosp. Electron. Syst. 50(4), 2878–2889 (2014) CrossRef Google Scholar Redmon, J., Divvala, S., Girshick, R., … the order of the holy mass