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ドップラー効果|公式の導出・符号の決め方・斜めドップラー

504 Gateway Time-out

504 Gateway Time-out


nginx/1.24.0 (Ubuntu)
覚える公式は 1 本だけです。音源から観測者へ向かう向きを正と決めて成分を代入すれば、4 通りの場合をすべて同じ式で扱えます。波長が変わる場合と相対速度が変わる場合の違い、斜めに動く音源で効く速度成分、反射板がある問題の 2 段の解き方、風があるときの音速の置き換えを、計算例とよくある誤りつきで扱います。