SCATTERER POSITION ESTIMATION DEVICE, SCATTERER POSITION ESTIMATION METHOD AND PROGRAM

摘要

Provided is a method for estimating the position of a scatterer from only measurement data and performing clustering of a wavelet group and the estimation of the scatterer position in a ganged manner. The distance between propagation data obtained from measurement data relating to an electric wave received by a receiver and cluster assumption data that is the assumed value of propagation data relating to a cluster and is assumed using a scatterrer estimated position is calculated for each of particles, another cluster is associated with a cluster with the smallest distance with respect to each of the particles, the proportion of the sum of powers of pieces of propagation data having distances equal to or less than a threshold value to the sum of powers of pieces of propagation data at all measurement points and relating to all wavelets is calculated, as an evaluation value, for each of the particles, resampling is performed according to the evaluation values to obtain the particles, propagation data with the largest distance is determined, as data to be estimated, for each of the particles obtained by resampling, using the data to be estimated, the position of a new scatterer is estimated for each of the particles, and cluster assumption data relating to a new cluster corresponding to the estimated scatterer is assumed.