full2010.pdf - page 703

665
„µ¦Á¦¸¥œ¦¼oŤn˜¹ŠÁ‡¦¸¥—¨³Å¤nœnµÁºÉ° Á®¤º°œ„µ¦Á¦¸¥œª· µ¢d ·„r×¥š´ÉªÅž œ´„Á¦¸¥œ‹¹ Š¤¸‡ªµ¤»Äœ„µ¦Á¦¸¥œ¤µ„ ¹Êœ
¨³Â f„®´—Ťn¥µ„‹œÁ„·œÅž Ťn ˜o°ŠÄo‡ªµ¤¦¼o‡–·˜«µ˜¦rš¸É ŽoŽo°œ¤µ„œ´ „ œ´„Á¦¸¥œ‹¹ Šµ¤µ¦™šÎµÂ f„®´—
Á¡ºÉ°ššªœ‡ªµ¤¦¼o ‡ªµ¤Á oµÄ‹ °Š˜œÁ°ŠÅ—o˜¨°—Áª¨µ —´ Šœ´Êœœ´„Á¦¸¥œš»„‡œ‹¹Š¤¸ ‡³ÂœœÁŒ¨¸É¥š¸Éŗo‹µ„„µ¦—εÁœ· œ
„·‹„¦¦¤Äœ» —„·‹„¦¦¤¼Š„ªnµÁ„–”rš¸É ˜´ÊŠÄªo
2) Ÿ¨„µ¦«¹ „¬µ„µ¦¡´•œµ‡ªµ¤‡·—¦ª¥°—š¸É™¼„˜o°Š °Šœ´„Á¦¸¥œ Á¦ºÉ °Š„µ¦³šo°œÂŠ š´Ê Š´Êœ (class
normalized gain) ¨³„µ¦¡´•œµ‡ªµ¤‡·—¦ª¥°—¦µ¥»‡‡¨ (single student normalized gain) Á¦ºÉ°Š„µ¦³šo°œÂŠ
°Šœ´„Á¦¸¥œ‹Î µœªœ 8 ‡œ ¡ªnµœ´ „Á¦¸¥œ‹Îµœªœ 3 ‡œ‹µ„š´Ê Š®¤— 8 ‡œ ¤¸ „µ¦¡´•œµ°¥¼nĜ¦³—´ ¼Š (high gain)
ÁœºÉ°Š‹µ„œ´„Á¦¸¥œš´ÊŠµ¤Áž}œ„¨»n¤ °Šœ´„Á¦¸¥œš¸É¤¸Ÿ¨´¤§š›·Í šµŠ„µ¦Á¦¸¥œ°¥¼nĜÁ„–”r—¸ ¨³Áž}œÁž}œŸ¼o œÎµÄœ„µ¦šÎµ
„·‹„¦¦¤„¨»n¤ ¨³¤¸ ®œoµš¸É°›·µ¥·ÉŠš¸ÉÁ¡ºÉ°œÄœ„¨»n ¤Â¨³‡¼n buddy °Š˜œÁ°ŠÁ oµÄ‹‡¨µ—Á‡¨ºÉ°œ®¦º°Å¤n Á oµÄ‹ ‹¹ŠšÎµ
Ä®oœ´„Á¦¸¥œ„¨»n ¤œ¸Ê¥·ÉŠ¤¸‡ªµ¤‡· —¦ª¥°—š¸É™¼„˜o °Š—¸¥·ÉŠ ¹Êœ n ªœœ´„Á¦¸¥œš¸ÉÁ®¨º °°¸„ 5 ‡œ ¤¸„µ¦¡´•œµ°¥¼nĜ¦³—´ žµœ
„¨µŠ œ´ „Á¦¸¥œ„¨»n¤œ¸Ê nªœÄ®n¤¸‡³ÂœœŸ¨´ ¤§š›·Í°¥¼n Ĝ¦³—´žµœ„¨µŠ ¨³˜ÉÎ µ ¤¸š´ „¬³Äœ„µ¦šÎµ‡ªµ¤Á oµÄ‹·ÉŠš¸É
ŗoÁ¦¸ ¥œ¦¼ooµ ˜o°Š°µ«´¥„µ¦¡¼—ŽÊ宨µ¥ Ç ‡¦´ÊŠ ¨³µ¤µ¦™‹Î µÅ—oĜ¦³¥³Áª¨µ°´œ´Êœ Á¤ºÉ°Áª¨µŸnµœÅž¦³¥³®œ¹É Š‹³¨º¤
·ÉŠš¸Éŗo Á¦¸¥œ¦¼o Ş ®¨´Š‹µ„„µ¦Á¦¸¥œÃ—¥„µ¦Äo»—„· ‹„¦¦¤„µ¦Á¦¸¥œ¦¼o šÎ µÄ®oœ´„Á¦¸¥œ„¨»n¤œ¸Ê ¤¸‡ªµ¤œÄ‹Äœ„µ¦Á¦¸¥œ
¤µ„ ¹Êœ Ä®o‡ªµ¤¦n ª¤¤º°Äœ„µ¦—εÁœ·œ„·‹„¦¦¤˜nµŠ Ç Á„·—‡ªµ¤˜ºÉœÁ˜o œ„´·ÉŠš¸ÉŗoÁ¦¸ ¥œ¦¼oÄ®¤n Ç š¸ÉÁ®Èœ‹µ„„µ¦š—¨°Š
‹¹ŠšÎµÄ®oœ´ „Á¦¸¥œ„¨»n ¤œ¸Ê¤¸„µ¦¡´•œµ— oµœ‡ªµ¤‡·—¦ª¥°—š¸É™¼„˜o °Š°¥¼nĜ¦³—´žµœ„¨µŠ ‹¹ ŠÅ¤n¤¸œ´„Á¦¸¥œ‡œÄ—š¸É¤¸Ÿ¨
„µ¦ž¦³Á¤·œ°¥¼nĜ¦³—´˜Éε (low gain) —´Šœ´Êœ„µ¦¡´•œµ‡ªµ¤‡·—¦ª¥°— °Šœ´„Á¦¸¥œ¦ª¤š´ÊŠ´Êœ‹¹Š°¥¼nĜžµœ„¨µŠ
3) Ÿ¨„µ¦Áž¦¸¥Áš¸ ¥Ÿ¨´¤§š›·ÍšµŠ„µ¦Á¦¸ ¥œ¦³®ªnµŠ„n°œÁ¦¸¥œÂ¨³®¨´ŠÁ¦¸¥œÃ—¥Äo»—„· ‹„¦¦¤„µ¦
Á¦¸ ¥œ¦¼oÁ¦ºÉ°Š„µ¦³šo°œÂŠ ¡ªnµœ´„Á¦¸ ¥œ¤¸Ÿ¨´¤§š›·ÍšµŠ„µ¦Á¦¸ ¥œ®¨´ ŠÁ¦¸¥œ¼ Š„ªnµ„n°œÁ¦¸¥œ š´Ê Šœ¸Ê ÁœºÉ°Š‹µ„
œ´„Á¦¸ ¥œÅ—oÁ¦¸¥œ¦¼o ‹µ„„µ¦ž’·´˜·‹¦·Š—oª¥˜œÁ°Š ¤¸„·‹„¦¦¤˜nµŠ Ç Á¡ºÉ°n ª¥nŠÁ¦·¤Ä®oœ´ „Á¦¸¥œ¤¸ ‡ªµ¤‡·—¦ª¥°—š¸É
™¼„˜o°Š¤µ„ ¹Êœ ‹¹ŠšÎµÄ®oœ´„Á¦¸¥œµ¤µ¦™Á oµÄ‹ÁœºÊ°®µ °ŠšÁ¦¸¥œÅ—o—¸¤µ„ ¹Êœ ‹µ„„µ¦´ ŠÁ„˜Â¨³´¤£µ¬–rœ´ „Á¦¸¥œ
¡ªnµœ´„Á¦¸¥œnªœÄ®n°šÎ µ„µ¦š—¨°ŠÂ¨³ „·‹„¦¦¤˜n µŠ Ç š¸É‡¦¼Å—oÁ¦·¤Ä®o ÁœºÉ°Š‹µ„ ž¦µ„’„µ¦³šo°œÂŠ
Áž}œž¦µ„’„µ¦–rš¸Éœ´ „Á¦¸¥œµ¤µ¦™¡Á®ÈœÅ—o Ĝ¸ª·˜ž¦³‹Îµª´ œ ‹¹ŠšÎµÄ®o œ´„Á¦¸¥œ¤¸‡ªµ¤œÄ‹¤µ„ ¹Êœ ¨³°¥µ„
‡oœ‡ªoµ®µ‡Î µ˜° ®µÁ®˜»Ÿ¨Á„¸É¥ª„´·É Š˜nµŠ Ç ¤µ„ ¹Êœ nŠŸ¨Ä®o œ´„Á¦¸¥œ¤¸Ÿ¨´¤§š›·ÍšµŠ„µ¦Á¦¸¥œ¼Š ¹Êœ
¦»žŸ¨„µ¦ª·‹´¥
‹µ„„µ¦—εÁœ·œ„µ¦ª·‹´¥ µ¤µ¦™¦»žŸ¨„µ¦ª· ‹´¥Å—o—´Šœ¸Ê
1) ‹µ„„µ¦¦oµŠ»—„·‹„¦¦¤„µ¦Á¦¸¥œ¦¼o Á¦ºÉ°Š „µ¦³šo°œÂŠ ‹Îµœªœ 2 »— ¡ªn µ »—„·‹„¦¦¤„µ¦Á¦¸¥œ¦¼o
»—š¸É 1 ¤¸ž¦³·š›·£µ¡ 81.67 / 77.98 ¨³»—„·‹„¦¦¤„µ¦Á¦¸¥œ¦¼o»—š¸É 2 ¤¸ž¦³·š›·£µ¡ 80.78 /78.41 Á¤ºÉ°ª· Á‡¦µ³®r
¦ª¤š´ÊŠ°Š»— ¡ªnµ¤¸ž¦³· š›·£µ¡ 81.22 / 78.13
2) «¹„¬µ„µ¦¡´•œµ‡ªµ¤‡·—¦ª¥°—š¸É™¼„˜o°Š °Šœ´„Á¦¸¥œ Á¦ºÉ °Š„µ¦³šo°œÂŠ ¡ªnµ „µ¦¡´•œµ
‡ªµ¤‡·—¦ª¥°—¦µ¥» ‡‡¨ °Šœ´ „Á¦¸¥œnªœÄ®n¤¸„µ¦¡´ •œµ°¥¼nĜnªŠ medium gain ×¥ ¤¸œ´ „Á¦¸¥œ¦o°¥¨³ 37.5
°¥¼n ĜnªŠ high gain œ´ „Á¦¸¥œ¦o°¥¨³ 62.5 °¥¼n ĜnªŠ medium gain ¨³„µ¦¡´ •œµÂœª‡·—š´ÊŠ´ÊœÁ¦¸¥œ(class
normalized gain) °¥¼nĜ¦³—´žµœ„¨µŠ average normalized gain, <<g>> = 0.61
3) œ´„Á¦¸¥œš¸Éŗo¦´‹´ —„µ¦Á¦¸¥œ¦¼oץčo»—„·‹„¦¦¤„µ¦Á¦¸ ¥œ¦¼o Á¦ºÉ°Š „µ¦³šo°œÂŠ ¤¸ Ÿ¨´¤§š›·ÍšµŠ„µ¦
Á¦¸¥œ®¨´ŠÁ¦¸¥œ¼Š„ªnµ„n°œÁ¦¸¥œ°¥nµŠ¤¸ œ´¥Îµ‡´š¸É¦³—´ ‡ªµ¤ÁºÉ°¤´Éœ .01 ¨³‡nµÁ¸É¥ŠÁœ¤µ˜¦“µœÁšnµ„´ 2.45