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Content Provider | IET Digital Library |
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Author | Li, Xi Guo, Fucheng Yang, Le Zhang, Min |
Abstract | Geolocating a stationary ground source using the time difference of arrival (TDOA) and frequency difference of arrival (FDOA) measurements from more than two sensors with random location errors is considered. The source altitude is known and a constrained weighted least square (WLS) problem is formulated for the geolocation task. The optimisation problem is solved by searching for the source-reference sensor distance in its feasible region and the source position estimate minimising the cost function. Simulations show the improved robustness of the proposed method over two existing solutions under high noise levels. |
Starting Page | 597 |
Ending Page | 599 |
Page Count | 3 |
ISSN | 00135194 |
Volume Number | 54 |
e-ISSN | 1350911X |
Issue Number | Issue 9, May (2018) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/el/54/9 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/el.2017.4357 |
Journal | Electronics Letters |
Publisher Date | 2018-03-27 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | Altitude Source Constrained Weighted Least Square Problem Direction of Arrival Estimation FDOA Frequency Difference of Arrival Measurement Geolocation Task High Noise Levels Interpolation And Function Approximation Least Squares Approximation Numerical Analysis Optimisation Optimisation Problem Optimisation Technique Random Sensor Location Error Random Sensor Position Error Signal Processing And Detection Signal Processing Theory Source Altitude Source Position Estimate Source-reference Sensor Distance Stationary Ground Source TDOA Time Difference of Arrival Measurement Time-of-arrival Estimation WLS Cost Function WLS Problem |
Content Type | Text |
Resource Type | Article |
Subject | Electrical and Electronic Engineering |
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