Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n
Trong ch\u01b0\u01a1ng tr\u00ecnh ki\u1ebfn th\u1ee9c v\u1eadt l\u00fd 9, s\u1ebd c\u00f3 r\u1ea5t nhi\u1ec1u b\u00e0i h\u1ecdc v\u1ec1 th\u1ea5u k\u00ednh cho c\u00e1c em h\u1ecdc sinh<\/a>. M\u1ee5c \u0111\u00edch c\u1ee7a nh\u1eefng b\u00e0i h\u1ecdc n\u00e0y kh\u00f4ng ch\u1ec9 gi\u1edbi thi\u1ec7u v\u1ec1 nh\u1eefng lo\u1ea1i th\u1ea5u k\u00ednh kh\u00e1c nhau. M\u00e0 n\u00f3 c\u00f2n l\u00e0 c\u00e1ch \u0111\u1ec3 c\u00e1c em c\u00f3 th\u1ec3 nh\u1eadn bi\u1ebft th\u00eam v\u1ec1 c\u00e1ch s\u1eed d\u1ee5ng v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang. B\u00e0i vi\u1ebft n\u00e0y ch\u00fang t\u00f4i mu\u1ed1n gi\u1edbi thi\u1ec7u cho c\u00e1c em h\u1ecdc sinh<\/a> th\u1ea5u k\u00ednh h\u1ed9i t\u1ee5. \u0110\u00e2y l\u00e0 lo\u1ea1i th\u1ea5u k\u00ednh g\u00ec? Ti\u00eau c\u1ef1 c\u1ee7a ch\u00fang nh\u01b0 th\u1ebf n\u00e0o? \u0110\u1eb7c \u0111i\u1ec3m khi s\u1eed d\u1ee5ng th\u1ea5u k\u00ednh n\u00e0y ra sao? N\u1ebfu nh\u01b0 c\u00e1c em quan t\u00e2m, c\u00f9ng \u0111\u1ecdc ti\u1ebfp th\u00f4ng tin m\u00e0 ch\u00fang t\u00f4i mang \u0111\u1ebfn nh\u00e9. Tin r\u1eb1ng nh\u1eefng chia s\u1ebb n\u00e0y s\u1ebd c\u1ef1c k\u1ef3 c\u00f3 \u00edch cho c\u00e1c em h\u1ecdc sinh<\/a>. C\u00f9ng b\u1eaft \u0111\u1ea7u th\u00f4i.<\/p>\n\n\n\n Th\u00f4ng tin v\u1ec1 th\u1ea5u k\u00ednh h\u1ed9i t\u1ee5<\/p>\n\n\n\n \u0110\u1ecbnh ngh\u0129a v\u1ec1 th\u1ea5u k\u00ednh<\/p>\n\n\n\n Tr\u01b0\u1edbc khi t\u00ecm hi\u1ec3u v\u1ec1 th\u1ea5u k\u00ednh h\u1ed9i t\u1ee5, c\u00e1c em n\u00ean bi\u1ebft nh\u1eefng th\u00f4ng tin v\u1ec1 th\u1ea5u k\u00ednh. Nhi\u1ec1u ng\u01b0\u1eddi th\u1eafc m\u1eafc kh\u00f4ng bi\u1ebft th\u1ea5u k\u00ednh c\u00f3 ngh\u0129a l\u00e0 g\u00ec. Trong c\u00e1c \u0111\u1ecbnh ngh\u0129a quang h\u1ecdc, th\u1ea5u k\u00ednh l\u00e0 m\u1ed9t v\u1eadt v\u00f4 c\u00f9ng quan tr\u1ecdng. Ch\u00fang l\u00e0 d\u1ee5ng c\u1ee5 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e2n k\u1ef3 ho\u1eb7c h\u1ed9i t\u1ee5 nh\u1eefng ch\u00f9m \u00e1nh s\u00e1ng kh\u00e1c nhau. \u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a th\u1ea5u k\u00ednh n\u00e0y c\u00f3 \u0111\u01b0\u1ee3c nh\u1edd v\u00e0o vi\u1ec7c \u1ee9ng d\u1ee5ng hi\u1ec7n t\u01b0\u1ee3ng kh\u00fac x\u1ea1.<\/p>\n\n\n\n C\u1ea5u t\u1ea1o c\u1ee7a chi\u1ebfc th\u1ea5u k\u00ednh kh\u00e1 \u0111\u01a1n gi\u1ea3n. Ch\u00fang bao g\u1ed3m nhi\u1ec1u m\u1ea3nh th\u1ee7y tinh \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o c\u1ef1c k\u1ef3 th\u00f4ng minh. T\u00f9y v\u00e0o c\u00f4ng d\u1ee5ng m\u00e0 s\u1ebd \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o sao cho c\u00f3 chi\u1ebft su\u1ea5t v\u00e0 h\u00ecnh d\u00e1ng ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n Ngo\u00e0i ra, kh\u00e1i ni\u1ec7m n\u00e0y c\u0169ng \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng ra cho nh\u1eefng lo\u1ea1i b\u1ee9c x\u1ea1 \u0111i\u1ec7n t\u1eeb kh\u00e1c nhau. C\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn th\u1ea5u k\u00ednh c\u1ee7a l\u00f2 vi s\u00f3ng \u0111\u1ec1u \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng ch\u1ea5t n\u1ec1n. Nh\u1eefng th\u1ea5u k\u00ednh n\u00e0y l\u00e0m vi\u1ec7c v\u1edbi th\u1ea5u k\u00ednh quang h\u1ecdc, ngh\u0129a l\u00e0 s\u1eed d\u1ee5ng \u00e1nh s\u00e1ng b\u1eebng k\u1ef9 thu\u1eadt truy\u1ec1n th\u1ed1ng. C\u00f3 r\u1ea5t nhi\u1ec1u \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u1eddi s\u1ed1ng v\u00e0 c\u00f4ng vi\u1ec7c s\u1ea3n xu\u1ea5t h\u00e0ng ng\u00e0y. Kh\u00f4ng ch\u1ec9 c\u00f3 v\u1eady, th\u1ea5u k\u00ednh n\u00e0y c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u trong m\u00e1y \u1ea3nh, c\u00f9ng v\u1edbi k\u00ednh th\u1ef1c t\u1ebf \u1ea3o\u2026<\/p>\n\n\n\n C\u00e1c lo\u1ea1i th\u1ea5u k\u00ednh hi\u1ec7n nay \u0111\u01b0\u1ee3c ph\u00e2n chia th\u00e0nh nhi\u1ec1u d\u1ea1ng kh\u00e1c nhau. Ch\u00fang bao g\u1ed3m: th\u1ea5u k\u00ednh ph\u00e2n k\u00ec, k\u00ednh h\u1ed9i t\u1ee5, th\u1ea5u k\u00ednh l\u1ed3i, th\u1ea5u k\u00ednh l\u00f5m, th\u1ea5u k\u00ednh m\u1ecfng, th\u1ea5u k\u00ednh h\u1ea5p d\u1eabn\u2026<\/p>\n\n\n\n \u1ee8ng d\u1ee5ng c\u1ee7a th\u1ea5u k\u00ednh l\u00e0 g\u00ec?<\/p>\n\n\n\n V\u1edbi th\u1ea5u k\u00ednh h\u1ed9i t\u1ee5 hay th\u1ea5u k\u00ednh ph\u00e2n k\u00ec, ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p kh\u00e1c nhau. C\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng sau \u0111\u00e2y:<\/p>\n\n\n\n S\u1eed d\u1ee5ng l\u00e0m v\u1eadt k\u00ednh c\u1ee7a m\u00e1y \u1ea3nh<\/p>\n\n\n\n S\u1eed d\u1ee5ng l\u00e0m v\u1eadt k\u00ednh, th\u1ecb k\u00ednh \u1edf k\u00ednh thi\u00ean v\u0103n v\u00e0 k\u00ednh hi\u1ec3n vi<\/p>\n\n\n\n S\u1eed d\u1ee5ng l\u00e0m k\u00ednh l\u00fap<\/p>\n\n\n\n S\u1eed d\u1ee5ng l\u00e0m k\u00ednh \u0111\u1ec3 ch\u1eefa vi\u1ec5n th\u1ecb, c\u1eadn th\u1ecb, l\u00e3o th\u1ecb<\/p>\n\n\n\n S\u1eed d\u1ee5ng l\u00e0m camera cho robot<\/p>\n\n\n\n S\u1eed d\u1ee5ng l\u00e0m l\u1ed7 nh\u00ecn \u1edf tr\u00ean c\u1eeda ra v\u00e0o nh\u00e0<\/p>\n\n\n\n \u2026<\/p>\n\n\n\n \u0110\u1ecbnh ngh\u0129a v\u1ec1 th\u1ea5u k\u00ednh h\u1ed9i t\u1ee5<\/p>\n\n\n\n Nh\u1eafc \u0111\u1ebfn \u0111\u1ecbnh ngh\u0129a th\u1ea5u k\u00ednh h\u1ed9i t\u1ee5, c\u00f3 th\u1ec3 th\u1ea5y c\u00f3 r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi quan t\u00e2m v\u00e0 mu\u1ed1n t\u00ecm hi\u1ec3u. Th\u1ea5u k\u00ednh n\u00e0y c\u00f3 m\u00e0u trong su\u1ed1t, v\u1edbi ph\u1ea7n r\u00eca s\u1ebd m\u1ecfng h\u01a1n ph\u1ea7n trung t\u00e2m. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c gi\u1edbi h\u1ea1n b\u1edfi hai m\u1eb7t c\u1ea7u. M\u1ed9t trong hai m\u1eb7t k\u00ednh c\u1ee7a th\u1ea5u k\u00ednh s\u1ebd ph\u1eb3ng. C\u00f2n m\u1eb7t c\u00f2n l\u1ea1i c\u1ee7a th\u1ea5u k\u00ednh s\u1ebd l\u00e0 m\u1eb7t l\u1ed3i.<\/p>\n\n\n\n Th\u00ed nghi\u1ec7m s\u1eed d\u1ee5ng th\u1ea5u k\u00ednh h\u1ed9i t\u1ee5<\/p>\n\n\n\n Nh\u1eadn bi\u1ebft th\u1ea5u k\u00ednh h\u1ed9i t\u1ee5 qua nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0o?<\/p>\n\n\n\n C\u00e1ch nh\u1eadn bi\u1ebft th\u1ea5u k\u00ednh h\u1ed9i t\u1ee5 kh\u00f4ng qu\u00e1 ph\u1ee9c t\u1ea1p. B\u1ea1n c\u00f3 th\u1ec3 nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c ch\u00fang qua \u0111\u1ed9 d\u00e0y c\u1ee7a ph\u1ea7n trung t\u00e2m v\u00e0 \u0111\u1ed9 d\u00e0y ph\u1ea7n r\u00eca. N\u1ebfu nh\u01b0 trong th\u1ea5u k\u00ednh \u0111\u00f3, ph\u1ea7n r\u00eca c\u1ee7a n\u00f3 m\u1ecfng h\u01a1n so v\u1edbi ph\u1ea7n trung t\u00e2m, th\u00ec \u0111\u00e2y l\u00e0 th\u1ea5u k\u00ednh c\u1ea7n t\u00ecm. Ngo\u00e0i ra, khi ta nh\u00ecn v\u00e0o \u1ea3nh qua th\u1ea5u k\u00ednh, c\u00f3 th\u1ec3 th\u1ea5y \u0111\u01b0\u1ee3c nh\u01b0 sau. N\u1ebfu nh\u01b0 ch\u00fang c\u00f3 th\u1ec3 ph\u00f3ng to h\u00ecnh \u1ea3nh c\u1ee7a v\u1eadt th\u1ec3 l\u00ean, \u0111\u00f3 ch\u00ednh l\u00e0 k\u00ednh h\u1ed9i t\u1ee5. L\u00fd do l\u00e0 b\u1edfi lo\u1ea1i th\u1ea5u k\u00ednh n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng gi\u00fap cho d\u00f2ng ch\u1eef nh\u00ecn qua th\u1ea5u k\u00ednh l\u1edbn h\u01a1n so v\u1edbi nh\u00ecn tr\u1ef1c ti\u1ebfp tr\u00ean s\u00e1ch.<\/p>\n\n\n\n