Research on sonic boom localization of rocket debris based on TDOA algorithm localization technique

TDOA (Time Difference Of Arrival) positioning technology, as a method to determine the position of the object to be located based on the signal arrival time difference, its core lies in the measurement of the time difference of the signals received from the object to be located at multiple reference base stations, constructing a system of nonlinear equations, calculating the difference in the relative distances between the object to be located and the various reference base stations, and thus the relative position of the object to be localized in space can be inferred. In this paper, a three-dimensional positioning model based on time difference of arrival (TDOA) measurement is established, and the extended TDOA model is combined with the Hungarian algorithm for time matching. And the least square method and the weighted least square method are used to improve the accuracy of positioning, and the time of the sonic boom received by the detection equipment is calculated. To estimate the location of the rocket debris sonic boom, the research process ranges from the simple locating of a single wreckage to the localization of multiple wrecks in complex situations. Data source for this research: http://www.m2ct.org/index.jsp(2024_MMCT_Problem_A).