Multi-moving-target positioning error elimination method based on improved extended Kalman filtering
An extended Kalman and moving target technology, applied in the field of wireless ranging and positioning of moving targets, can solve the problems of difficult positioning of moving targets, difficult to achieve positioning accuracy requirements, high power consumption, and high cost
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[0120] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0121] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
[0122] The present invention realizes multi-target positioning through the combination of time division multiplexing and wavelength division multiplexing, converts the received signal into a pulse with very concentrated energy in the Fourier domain through fractional Fourier transform, and distinguishes the Direct signal to improve the distance resolution accuracy of the target and the ability to resist interfer...
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