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In the detection and identification of a target, the position fusion of the measurements for sensors is necessary and the target's optimization trajectory is required for recognizing. A new position fusion algorithm is introduced. The measurements from multisensors (such as TV, IR, laser, radar, and so on) can be fused so as to achieve result of higher accuracy. The instantaneous weight values of the data are obtained utilizing the weight reciprocal propagation (WRP) to achieve a positional fusion to a single target. The simulations show that the method is an effective distributed fusion algorithm.