白色雑音を含む周期信号に対して同期加算平均処理を施し、SN比を10倍改善したい。この時倫理上必要となる加算の回数は何回か。
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これってどういう見方をすればいいんですか？
変数1,2,3,4 それぞれ縦列です... - 1](https://d1e9oo257tadp1.cloudfront.net/uploads/qa_question_image/file/1731386/thumb_l_webp_5E68FEC4-EC74-42CA-80EB-734AA09BB2DB.webp?Expires=1778225525&Signature=iFpH0AP0rEyQFeOFNREjzI3oILXC5hwRktr~ujGoPzxeRAWtVQqfZhqAw7tQsjKBp6O3MqNcJRw4rlujqPdvXFMoIzwVr8sQpH06pemjFRky46xBI6THF~5fkHmOefrH5-qu-EBaCWtZz9CvolhC2mcwd~9TkzSdyAz363Ctx2adjJKiaQbn90SqSV2OBrzyevU9Dxy3WSaGJ8eG0Unk1bIEJxAvuPgIj2AeGeN8Ugz9yJiyLLxWrbo2Fiygh9P1T4S1EZRD8Prz5BKjBUZixHyS2uBt7IhUoT7jAalp3ZaWHWljkhCSONNoXqMp42rSWNTs4E27vw5yDGOeR94axA__&Key-Pair-Id=K2W722D70GJS8W&Expires=1778225525&Signature=TsQYvZbVTcjipoADT0bbx4xj4rM3-YdpJM2rlYOWX4SNgK3rc362THrFnAW2e55l22x1ttlg1MEmvZo--f~rHShHAXGuLd5b0ayjYvQawv2RUHPOMJO~FnjSwjYQ1-Yi0tc265i6FPo7weSfTAGeH5Eqsmc4OYpSY9PWYni28uV8-aayoQpihj7gNWNMolKCR11a1DQyQzk36LCYBDMwpgih0xkpx0ca~ER5do-uj~YOOpN6PghyCIkRjKST6wBGk3OHQxqcag5jGNN2D13HKKFz7ed13EGaCPp63Sbi3H3TYtS65twM9xWkeqlzkEcyW2aUSZZ5~JpEaYWDOz874Q__&Key-Pair-Id=K2W722D70GJS8W)
