Panasonic Intellectual Property Management Co., Ltd.

Abudusaimi Abuduaini

Takeshi Nakayama

Naoki Honma

Shoichi Iizuka

Nobuyuki Shiraki

An estimating method includes: measuring and receiving reception signals including a reflected signal reflected by a moving body, for a first period equivalent to a cycle of movement of the moving body; calculating first complex transfer functions indicating propagation characteristics, from the reception signals measured in the first period; calculating second complex transfer functions having reduced components corresponding to fluctuations, from the first complex transfer functions; extracting moving body information corresponding to a component related to the moving body by extracting moving body information corresponding to a predetermined frequency range of the second complex transfer functions calculated; and estimating a direction in which the moving body is present using the moving body information.

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Iwate, Japan

Abudusaimi Abuduaini