引用・参考資料等 https://www.quora.com/How-does-the-P-8-Poseidon-detect-submarines-from-the-air-as-it-doesnt-have-MAD-How-do-they-know-whether-the-detected-submarine-is-hostilehttps://www.mdpi.com/1424-8220/24/12/4028
http://www.nicovideo.jp/watch/sm45440500