V\u00e0o ng\u00e0y 30 th\u00e1ng 7 n\u0103m 2020, t\u00e0u th\u00e1m hi\u1ec3m Perseverance c\u1ee7a NASA \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00f3ng l\u00ean v\u0169 tr\u1ee5, \u0111\u00e1nh d\u1ea5u m\u1ed9t ch\u01b0\u01a1ng m\u1edbi \u0111\u00e1ng ch\u00fa \u00fd trong h\u00e0nh tr\u00ecnh kh\u00e1m ph\u00e1 v\u0169 tr\u1ee5 c\u1ee7a lo\u00e0i ng\u01b0\u1eddi. Sau h\u00e0nh tr\u00ecnh 203 ng\u00e0y v\u01b0\u1ee3t qua qu\u00e3ng \u0111\u01b0\u1eddng 472 tri\u1ec7u km, n\u00f3 \u0111\u00e3 h\u1ea1 c\u00e1nh th\u00e0nh c\u00f4ng xu\u1ed1ng sao H\u1ecfa v\u00e0o ng\u00e0y 19 th\u00e1ng 2 n\u0103m 2021. M\u1eb7c d\u00f9 b\u1ea3n th\u00e2n s\u1ee9 m\u1ec7nh n\u00e0y \u0111\u00e3 r\u1ea5t phi th\u01b0\u1eddng, nh\u01b0ng \u0111i\u1ec1u khi\u1ebfn nhi\u1ec1u ng\u01b0\u1eddi ng\u1ea1c nhi\u00ean ch\u00ednh l\u00e0 \u201cb\u1ed9 n\u00e3o\u201d \u0111i\u1ec1u khi\u1ec3n chi\u1ebfc xe th\u00e1m hi\u1ec3m ti\u00ean ti\u1ebfn n\u00e0y \u2014 m\u1ed9t b\u1ed9 x\u1eed l\u00fd ra \u0111\u1eddi t\u1eeb n\u0103m 1998, PowerPC 750.<\/p>\n\n\n\n
PowerPC 750, t\u1eebng l\u00e0 b\u1ed9 vi x\u1eed l\u00fd ti\u00eau chu\u1ea9n c\u1ee7a iMac G3 c\u1ee7a Apple, ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 266MHz \u2013 m\u1ed9t th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 b\u1ecb coi l\u00e0 l\u1ed7i th\u1eddi theo ti\u00eau chu\u1ea9n ng\u00e0y nay. Tuy nhi\u00ean, con chip khi\u00eam t\u1ed1n n\u00e0y \u0111\u00e3 tr\u1edf th\u00e0nh n\u1ec1n t\u1ea3ng cho c\u00e1c s\u1ee9 m\u1ec7nh th\u00e1m hi\u1ec3m v\u0169 tr\u1ee5 sau khi \u0111\u01b0\u1ee3c BAE Systems thi\u1ebft k\u1ebf l\u1ea1i \u0111\u1ec3 ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c nh\u1eefng \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t nh\u1ea5t trong kh\u00f4ng gian. K\u1ebft qu\u1ea3 l\u00e0 RAD750, ra m\u1eaft v\u00e0o n\u0103m 2001. \u0110\u01b0\u1ee3c ch\u1ebf t\u1ea1o tr\u00ean quy tr\u00ecnh 150nm v\u1edbi TDP ch\u1ec9 5W, n\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c li\u1ec1u l\u01b0\u1ee3ng b\u1ee9c x\u1ea1 t\u1eeb 2.000 \u0111\u1ebfn 10.000 gray \u2014 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi m\u01b0\u1eddi tri\u1ec7u l\u1ea7n ch\u1ee5p CT \u2014 trong khi v\u1eabn ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady. V\u1edbi gi\u00e1 $290.000, gi\u00e1 tr\u1ecb c\u1ee7a n\u00f3 kh\u00f4ng n\u1eb1m \u1edf hi\u1ec7u n\u0103ng th\u00f4 m\u00e0 \u1edf kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i v\u00f4 song.<\/p>\n\n\n\n
S\u1ef1 l\u1ef1a ch\u1ecdn n\u00e0y \u0111\u00e3 ch\u1ee9ng t\u1ecf gi\u00e1 tr\u1ecb v\u00f4 c\u00f9ng to l\u1edbn. B\u1ed9 vi x\u1eed l\u00fd RAD750 \u0111\u00e3 \u0111\u01b0\u1ee3c trang b\u1ecb tr\u00ean h\u01a1n 100 v\u1ec7 tinh v\u00e0 c\u00e1c s\u1ee9 m\u1ec7nh th\u00e1m hi\u1ec3m kh\u00f4ng gian s\u00e2u, ho\u1ea1t \u0111\u1ed9ng ho\u00e0n h\u1ea3o trong g\u1ea7n hai th\u1eadp k\u1ef7. Trong l\u0129nh v\u1ef1c th\u00e1m hi\u1ec3m v\u0169 tr\u1ee5, t\u1ed1c \u0111\u1ed9 v\u00e0 s\u1ee9c m\u1ea1nh t\u00ednh to\u00e1n ch\u1ec9 \u0111\u1ee9ng sau \u0111\u1ed9 tin c\u1eady v\u00e0 t\u00ednh \u1ed5n \u0111\u1ecbnh. \u0110\u1ed1i v\u1edbi c\u00e1c s\u1ee9 m\u1ec7nh nh\u01b0 Perseverance, ph\u1ea3i di chuy\u1ec3n h\u00e0ng tr\u0103m tri\u1ec7u km, kh\u1ea3 n\u0103ng t\u1ed3n t\u1ea1i trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao c\u1ea3 hai xe th\u00e1m hi\u1ec3m Curiosity v\u00e0 Perseverance \u0111\u1ec1u tin t\u01b0\u1edfng s\u1eed d\u1ee5ng b\u1ed9 vi x\u1eed l\u00fd \u0111\u00e1ng tin c\u1eady n\u00e0y.<\/p>\n\n\n\n
\u0110\u1ed3ng th\u1eddi, Trung Qu\u1ed1c \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1eefng b\u01b0\u1edbc ti\u1ebfn \u0111\u00e1ng k\u1ec3 trong l\u0129nh v\u1ef1c \u0111i\u1ec7n t\u1eed h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5. B\u1ed9 vi x\u1eed l\u00fd SoC2012 do n\u01b0\u1edbc n\u00e0y t\u1ef1 ph\u00e1t tri\u1ec3n \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o c\u00e1c b\u1ed9 vi x\u1eed l\u00fd Loongson, m\u1ea1ch t\u00edch h\u1ee3p l\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c (FPGA), m\u1ea1ch t\u00edch h\u1ee3p chuy\u00ean d\u1ee5ng (ASIC) v\u00e0 c\u00e1c thi\u1ebft b\u1ecb vi s\u00f3ng t\u1ea3i tr\u1ecdng cao c\u1ea5p, qua \u0111\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 t\u1ef1 ch\u1ee7 v\u00e0 ki\u1ec3m so\u00e1t ho\u00e0n to\u00e0n trong c\u00e1c c\u00f4ng ngh\u1ec7 chip then ch\u1ed1t. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 th\u1ec3 hi\u1ec7n s\u1ef1 ti\u1ebfn b\u1ed9 v\u1ec1 m\u1eb7t khoa h\u1ecdc m\u00e0 c\u00f2n l\u00e0 m\u1ed9t b\u01b0\u1edbc ti\u1ebfn chi\u1ebfn l\u01b0\u1ee3c v\u1ec1 \u0111\u1ed9c l\u1eadp c\u00f4ng ngh\u1ec7 v\u00e0 an ninh qu\u1ed1c gia.<\/p>\n\n\n\n
T\u1eeb chip PowerPC 750 c\u1ee7a Apple \u0111\u1ebfn chip RAD750 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ch\u1ecbu \u0111\u01b0\u1ee3c m\u00f4i tr\u01b0\u1eddng v\u0169 tr\u1ee5, v\u00e0 t\u1eeb \u0111\u00f3 \u0111\u1ebfn chip SoC2012 c\u1ee7a Trung Qu\u1ed1c, m\u1ed7i c\u1ed9t m\u1ed1c \u0111\u1ec1u th\u1ec3 hi\u1ec7n tinh th\u1ea7n kh\u00e1m ph\u00e1 b\u1ea5t khu\u1ea5t c\u1ee7a lo\u00e0i ng\u01b0\u1eddi. Nh\u1eefng con chip n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 silicon\u2014ch\u00fang l\u00e0 hi\u1ec7n th\u00e2n c\u1ee7a s\u1ef1 \u0111\u1ed5i m\u1edbi, s\u1ef1 ki\u00ean tr\u00ec v\u00e0 kh\u00e1t v\u1ecdng v\u01b0\u1ee3t qua m\u1ecdi gi\u1edbi h\u1ea1n. Cho d\u00f9 \u0111\u00f3 l\u00e0 \u201cvi m\u1ea1ch c\u0169 chinh ph\u1ee5c sao H\u1ecfa\u201d hay c\u00e1c b\u1ed9 vi x\u1eed l\u00fd th\u1ebf h\u1ec7 m\u1edbi m\u1edf \u0111\u01b0\u1eddng cho t\u01b0\u01a1ng lai, t\u1ea5t c\u1ea3 \u0111\u1ec1u g\u00f3p ph\u1ea7n v\u00e0o c\u00e2u chuy\u1ec7n kh\u00e1m ph\u00e1 kh\u00f4ng gian c\u1ee7a lo\u00e0i ng\u01b0\u1eddi \u0111ang d\u1ea7n \u0111\u01b0\u1ee3c vi\u1ebft n\u00ean.<\/p>","protected":false},"featured_media":892,"template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[20,18],"tags":[],"class_list":["post-891","application","type-application","status-publish","has-post-thumbnail","hentry","category-aerospace-satellite-communications","category-application-industries"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/application\/891","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/application"}],"about":[{"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/types\/application"}],"version-history":[{"count":1,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/application\/891\/revisions"}],"predecessor-version":[{"id":893,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/application\/891\/revisions\/893"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/media\/892"}],"wp:attachment":[{"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/media?parent=891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/categories?post=891"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/tags?post=891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}