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Basic Analyses |
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ÀÀ¿ëºÐ¾ß¿¡ µû¸¥ ½ÅÈ£ºÐ¼®À» À§ÇÑ °¡Àå ±âº»ÀûÀÎ
ÇØ¼®À» À§ÇÑ
¼ÒÇÁÆ®¿þ¾î |
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PAK Throughtput |
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Çϵå¿þ¾î¸¦ ÅëÇØ ÃøÁ¤µÇ´Â ¸ðµç µ¥ÀÌÅ͸¦ ±â·ÏÇÏ´Â ±â´ÉÀÔ´Ï´Ù.
±âÁ¸ÀÇ Å×ÀÌÇÁ ·¹ÄÚ´õÀÇ ¿ÏÀüÇÑ ±â´ÉÀ» °®Ãß°í ÀÖ½À´Ï´Ù.
ÃøÁ¤µÇ´Â ½ÅÈ£´Â µ¥ÀÌÅÍ ¼Õ½Ç ¾øÀÌ ÀúÀåµÇ°í Ãß°¡ÀûÀÎ ºÐ¼® ¹× ¿Àµð¿À Àç»ý¿¡ ÀÌ¿ëµË´Ï´Ù.
µ¥ÀÌÅÍ´Â ÃøÁ¤ÄÄÇ»ÅÍÀÇ Çϵåµð½ºÅ©¿¡ ÀúÀåµÊ°ú µ¿½Ã¿¡ FFT, Octave, Order µîÀ» ¼öÇàÇÒ ¼ö ÀÖ½À´Ï´Ù.
- Çϵå¿þ¾î »ç¾ç¿¡ µû¶ó ÃÖ´ë 204.8kHz ±îÁö ÀúÀå °¡´É
- Post-Processing À» À§ÇÑ µ¥ÀÌÅÍ È°¿ë
- ·¹ÄÚ´õ·ÎÀÇ È°¿ë (Çϵåµð½ºÅ© ¿ë·®¸¸ÅÀÇ ÀúÀå °¡´É)
- ´ë¿ë·® µ¥ÀÌÅÍ(>2GByte) ÀúÀåÀ» À§ÇÑ ¾ÐÃà±â¼ú Á¦°ø
- ½Ã°£´ç 1 Tera byte µ¥ÀÌÅÍÀÇ °æ¿ì º°µµÀÇ ÀúÀå ½Ã½ºÅÛ È°¿ë
- Thruput data ÀÇ ASAM-ODS-compliant ATFXµ¥ÀÌÅÍ Å¸ÀÔÀ» Áö¿ø |
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¡ã ±×¸². PAK Throughtput
ÈÄó¸® °úÁ¤ |
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PAK Signature Analysis |
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FFT ±â¹ÝÀÇ ³ÐÀº ¿µ¿ªÀÇ ¿É¼ÇÀ» Á¦°øÇÔÀ¸·Î½á ±¤¹üÀ§ÇÑ ¿ä±¸Á¶°ÇÀ» ÃæÁ·ÇÒ ¼ö ÀÖ½À´Ï´Ù.
ÀϹÝÀûÀÌ°í ±âº»ÀûÀÎ ºÐ¼®ÀÇ ¿É¼Ç ¿Ü¿¡ ¿¹±âÄ¡ ¾ÊÀº Áøµ¿, ¼ÒÀ½ÀÇ
Çö»ó¿¡¼ Ư»ö ÀÖ´Â ¼ººÐµéÀÇ ±Ô¸íÀ» Áö¿øÇÕ´Ï´Ù,
Complex spectrum FFTºÐ¼® µ¥ÀÌÅÍ ±â¹ÝÀÇ Overall level, specific frequency level, N'th octave, Order, Bandpass magnitude, ±â¿©µµ, Àü´ÞÇÔ¼ö µî ´Ù¾çÇÑ ÇÔ¼öÀÇ Ç¥Çö ±â´ÉÀ» Á¦°ø
- Block size : 64 ~ 65,536 samples
- Average mode : Off, Linear, Exponential, Peak-hold
- Window : Rectangle, Hanning, Flat-Top, Exponential
- Overlap : On (0~99%), Off |
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¡ã ±×¸². PAK Signature ÃøÁ¤
(3D ¿Í 2D µ¿½Ã Ç¥Çö)
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PAK N'th Octave Analysis |
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ÀÌ ¸ðµâÀº Throughtput data ·Î ºÎÅÍ µðÁöÅÐ ÇÊÅÍ ¹ðÅ©(Digital filter bank)¸¦ ÅëÇØ ÀÌ»ê Á֯ļö¹êµå(discrete frequency band)ÀÇ
·¹º§À» ÃøÁ¤ÇÏ´Â µµ±¸ÀÔ´Ï´Ù.
Class 0 µðÁöÅÐÇÊÅ͸¦ ÀÌ¿ëÇÑ ¿ÁŸºêºÐ¼® ±â´É Á¦°ø
½Ã°£¼³Á¤
ÃÖ¼Ò 1ms ±îÁö °¡´É
- Class 0 bandpass filters (DIN EN 61260 / IEC 1260)
- >1ms ±îÁöÀÇ ¸Å¿ì Á¤¹ÐÇÑ ½Ã°£ ÇØ»óµµ
- ÃÖ´ë 1/3 ¿ÁŸºê Á֯ļö : 64 kHz
- ¿ÁŸºê ºÐ¼®ÀÇ ½Ã°£ ¿µ¿ª¿¡¼ A,B,C °¡ÁßÇÔ¼ö
- ½Ç½Ã°£À¸·Î 1/2, 1/3, 1/6, 1/12, 1/24 ¿ÁŸºê ºÐ¼®À» µ¿½Ã¿¡ ¼öÇà
- ÀϹÝÀûÀ¸·Î 1/3 ¿ÁŸºê ±â¹ÝÀÇ ±Ô°Ý½ÃÇè¿¡ÀÇ ÀÀ¿ë
- Single octaveÀÇ BTR correction |
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¡ã ±×¸². PAK n¡¯th Octave
ÃøÁ¤ ¿¹Á¦
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PAK Detector |
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ÀÌ ¸ðµâÀº ÀϹÝÀûÀÎ Á¤¹Ð¼ÒÀ½°è¿Í µ¿ÀÏÇÑ ±â´ÉÀ» °¡Áö°í ÀÖ½À´Ï´Ù. 1°³ÀÇ ÃøÁ¤ ä³Î¿¡ ´ëÇÏ¿© 3°¡ÁöÀÇ ´Ù¸¥ ¼ÒÀ½°ªÀ» Ç¥½ÃÇÒ ¼ö ÀÖÀ¸¸ç, ¸ðµç ÃøÁ¤Ã¤³Î¿¡ ´ëÇÏ¿© ½Ã°£ ȤÀº RPM ±â¹ÝÀ¸·Î °á°ú SPL ±×·¡ÇÁ¸¦ Ç¥½ÃÇÒ ¼ö ÀÖ½À´Ï´Ù. FFT, Octave, Order, ½É¸®À½Çâ, ·¹ÄÚ´õ
±â´É°ú °°ÀÌ ½Ç½Ã°£À¸·Î ºÐ¼®ÀÌ °¡´ÉÇÕ´Ï´Ù. |
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ÁÖ¿äÆ¯Â¡
- DIN EN 60651 (Class 1) ¸¸Á·
- Detector Type : RMS, peak value, magnitude, LEQ
- Time constants : 0.125 (fast), 1s (slow), ÀÓÀǼ±Åà °¡´É
- Frequency weighting : A, B, C, linear |
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¡ã ±×¸². ½Ã°£µ¥ÀÌÅÍ¿Í 3°¡Áö
´Ù¸¥ Detector ·¹º§ |
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| ¡ã ±×¸². Detector ÀÇ °è»ê |
¡ã ±×¸². Detector ÀÇ ¼³Á¤ |
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