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Ç¥ÁعøÈ£ | TTAK.KO-10.1000-Part7 | ±¸Ç¥ÁعøÈ£ | |
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Á¦°³Á¤ÀÏ | 2017-12-13 | ÃÑÆäÀÌÁö | 15 |
ÇѱÛÇ¥Áظí | ±¤Ä«¸Þ¶ó¼ö½Å¿ë ¿Â-¿ÀÇÁ Å·(OOK) º¯Á¶¸¦ À§ÇÑ ¹°¸®°èÃþ ÇÁ·¹ÀÓ Æ÷¸Ë | ||
¿µ¹®Ç¥Áظí | Physical Layer Frame Format for Optical Camera Receiver based On-Off Keying(OOK) Modulation | ||
Çѱ۳»¿ë¿ä¾à | On-off Keying (OOK)Àº ¹Ý¼ÛÆÄÀÇ À¯¹«¿¡ µû¶ó µðÁöÅÐ µ¥ÀÌÅ͸¦ ³ªÅ¸³»´Â ASK (amplitude-shift keying) º¯Á¶ÀÇ °¡Àå °£´ÜÇÑ ÇüŸ¦ ³ªÅ¸³½´Ù. °¡Àå °£´ÜÇÑ ÇüÅ·Î, ƯÁ¤ Áö¼Ó ±â°£ µ¿¾ÈÀÇ Ä³¸®¾îÀÇ Á¸Àç´Â ÀÌÁø¿¡¼ÀÇ 1À» ³ªÅ¸³»Áö¸¸ µ¿ÀÏÇÑ Áö¼Ó ±â°£ µ¿¾ÈÀÇ ºÎÀç´Â ÀÌÁøÀÇ 0À» ³ªÅ¸³½´Ù. ÀϺΠÁ¤±³ÇÑ °èȹÀº Ãß°¡ Á¤º¸¸¦ Àü´ÞÇϱâ À§ÇØ ±â°£À» º¯°æÇϸç, ÀÌ´Â À¯´Ï Æú¶ó ÀÎÄÚµù ¶óÀÎ ÄÚµå¿Í À¯»çÇÏ´Ù. | ||
¿µ¹®³»¿ë¿ä¾à | On-off keying (OOK) denotes the simplest form of amplitude-shift keying (ASK) modulation that represents digital data at the presence or absence of a carrier wave. In its simplest form, the presence of a carrier for a specific duration represents a binary one, while its absence for the same duration represents a binary zero. Some more sophisticated schemes vary these durations to convey additional information. It is analogous to unipolar encoding line code. | ||
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