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3. 関根松夫:レーダ信号処理技術,電子情報通信学会(1991)
4. (3) D. K. Barton: Radar Clutter, Artech House, Dedham (1975)
5. (4) J. Croney: “Clutter on radar displays”, Wireless Eng., Vol. 33, pp. 83-96 (1956)