ã¹ãã¯ãã©ã ï¼spectrumï¼ã¨ã¯ â é³å£°ãå°éæ³¢ãªã©ã®å¨ææ§ã®ããä¿¡å·ã¯ãã©ãã ãè¤éãªä¿¡å·ã§ãã£ã¦ããåç´ãªæ³¢ã«å解ã§ããï¼ãã¼ãªã¨ã®å®çï¼ åç´ãªæ³¢...åä¸ã®å¨æ³¢æ°ã¨æ¯å¹ ããã¤æ£å¼¦æ³¢ãä½å¼¦æ³¢ ä¸è¨ã®å®çã«å¾ã£ã¦ãããä¿¡å·ã®å¨æ³¢æ°æåã¨æ¯å¹ ã®æåãæ½åºãããã®ããå¨æ³¢æ°ã¹ãã¯ãã©ã ï¼ã¹ãã¯ãã«ï¼ã§ã*1ã ã¹ãã¯ãã©ã ã®æ±ãæ¹ï¼MATLABã«ãã説æï¼ ä»¥ä¸ã®ãããªè¤éãªæ³¢ãèãã¾ãã MATLABã§ä¸ã®æ³¢ãçæããã«ã¯ã以ä¸ã®ã³ã¼ããå®è¡ time = 0 : 1 / 8820 : 0.05; sinwav_1 = 1.2 * sin(2 * pi * 130 * time); coswav_1 = 0.9 * cos(2 * pi * 200 * time); sinwav_2 = 1.8 * sin(2 * pi * 260 * time); coswav_2 = 1.4
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