Computer Science ›› 2012, Vol. 39 ›› Issue (Z11): 79-82.
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Abstract: According to the impact of the location error by the observer's position error and inherent time difference caused by the receiving and preprocessing module and time and frequency reference source and in multi-sensor time difference of arrival(丁DOA) location system, the error calibration algorithm based on reference station in known loca- lion is analyzed. The impact of location is eliminated by substracting the signal TDOA between target and reference, and the observer's position error and inherent time difference arc corrected. Simulation results show that location perfor- mance at the regional near the reference is improved when the reference stations are outside the location blind area.
Key words: TDOA location, Location error, Reference stations
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