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poppy1*** |
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10cm°Å¸®¿¡¼ º£À̽º µå·³ÀÇ ÇÇÅ©ÆÑÅÍ°¡ 30dbÀ̶ó´Â°Ô ¹«½¼ ¼Ò¸°°¡¿ä?? ÇÇÅ©ÆÑÅ͵µ ¹ºÁö °¡¸£ÃÄÁÖ½Ã¸é °¨»çÇÏ°Ú±Þ´Ï´õ
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smseihi*** | 2018-04-30 08:40 |
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µå·³ÀÇ Ç¥¸é¿¡¼ 10cm ¶³¾îÁø °÷¿¡¼ ¸¶ÀÌÅ©¸¦ ³õ°í ÃøÁ¤À» ÇßÀ» ¶§¿¡, Á¤°Ý À½·® (RMS : Root Mean Squared À½·®) ´ëºñ ¼ø°£ ÃÖ°í À½·® (Peak Momentary À½·®)ÀÌ 30dB ¸¸Å ´õ ³ô´Ù´Â °ÍÀÔ´Ï´Ù. ±×·¸´Ù¸é RMS À½·®ÀÌ 70dB ÀÌÇÏ°¡ µÇµµ·Ï ¸ÓÇøµÀ» ÇØ¾ß µå·³ÀÇ ÃÖ°í À½·®ÀÌ 100dB¸¦ ³ÑÁö ¾Ê°í, µå·¯¸ÓÀÇ Ã»·Â¿¡ ¼Õ»óÀÌ °¡Áö ¾Ê½À´Ï´Ù.
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smseihi*** |
ÇÇÅ© ÆåŸ : Peak Factor = Peak Value versus RMS value [4/30,15:28]
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