Source Localization and Calibration Using FOA Measurements in the Presence of Sensor Information Uncertainty

• Main Authors: Bin, Jiang, Yunxia, Ye, Kai, Huang, Mingyi, You, An'Nan, Lu, Caiyi, Lou, Binhua, Shi
• Format: Conference Proceeding
• Language: English
• Subjects: Accuracy; Calibration; Frequency measurement; Frequency of arrival; Measurement uncertainty; Position measurement; Reference emission source; Sensor location uncertainty; Simulation; Software; Source localization; Time-frequency analysis; Uncertainty; Velocity measurement
• ISSN: 2472-8489
• DOI: 10.1109/ICCSN63464.2024.10793309

The station moves to different locations and locates the stationary radiation source by measuring its frequency several times. However, the position error and velocity error of the observation station will significantly reduce the calculation accuracy of the target positioning. In order to solve this problem, the reference emission source with known precise position and velocity is usually introduced to reduce the loss of positioning accuracy by calibrating the random position error and velocity error of the observation station. In this paper, a moving station frequency-only location method using reference transmitting source is proposed. In the presence of random position error and velocity error of the observation station, the method estimates the target position by using the signal frequency measurements of the target and reference source. The simulation results show that the proposed method can effectively improve the positioning accuracy, and it has better positioning performance than the differential calibration positioning method.