{"id":477366,"date":"2023-08-09T09:11:34","date_gmt":"2023-08-09T09:11:34","guid":{"rendered":""},"modified":"2023-09-05T11:14:33","modified_gmt":"2023-09-05T11:14:33","slug":"gps-jamming","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/gps-jamming\/","title":{"rendered":"G\u00e2y nhi\u1ec5u GPS"},"content":{"rendered":"<p>G\u00e2y nhi\u1ec5u GPS l\u00e0 m\u1ed9t lo\u1ea1i chi\u1ebfn tranh \u0111i\u1ec7n t\u1eed trong \u0111\u00f3 t\u00edn hi\u1ec7u t\u1eeb c\u00e1c v\u1ec7 tinh GPS b\u1ecb c\u1ed1 \u00fd l\u00e0m gi\u00e1n \u0111o\u1ea1n nh\u1eb1m l\u00e0m suy gi\u1ea3m ch\u1ee9c n\u0103ng c\u1ee7a m\u00e1y thu GPS. S\u1ef1 can thi\u1ec7p n\u00e0y, th\u01b0\u1eddng ph\u00e1t ra t\u1eeb c\u00e1c thi\u1ebft b\u1ecb g\u00e2y nhi\u1ec5u tr\u00ean m\u1eb7t \u0111\u1ea5t, th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111\u1ecdc kh\u00f4ng ch\u00ednh x\u00e1c ho\u1eb7c th\u1eadm ch\u00ed m\u1ea5t ho\u00e0n to\u00e0n ch\u1ee9c n\u0103ng GPS.<\/p>\n<h2>L\u1ecbch s\u1eed g\u00e2y nhi\u1ec5u GPS<\/h2>\n<p>S\u1ef1 ra \u0111\u1eddi c\u1ee7a thi\u1ebft b\u1ecb g\u00e2y nhi\u1ec5u GPS c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb l\u0129nh v\u1ef1c chi\u1ebfn tranh \u0111i\u1ec7n t\u1eed r\u1ed9ng l\u1edbn h\u01a1n. Vi\u1ec7c s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 n\u00e0y l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c ghi nh\u1eadn c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb nh\u1eefng n\u0103m 1990, ngay sau khi c\u00f4ng ngh\u1ec7 GPS \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u ra c\u00f4ng ch\u00fang. Ban \u0111\u1ea7u, l\u1ef1c l\u01b0\u1ee3ng qu\u00e2n s\u1ef1 l\u00e0 nh\u1eefng ng\u01b0\u1eddi s\u1eed d\u1ee5ng ch\u00ednh, tri\u1ec3n khai c\u00e1c thi\u1ebft b\u1ecb g\u00e2y nhi\u1ec5u \u0111\u1ec3 l\u00e0m gi\u00e1n \u0111o\u1ea1n vi\u1ec7c ti\u1ebfp nh\u1eadn GPS c\u1ee7a \u0111\u1ed1i ph\u01b0\u01a1ng trong c\u00e1c cu\u1ed9c xung \u0111\u1ed9t ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng chi\u1ebfn l\u01b0\u1ee3c.<\/p>\n<p>Theo th\u1eddi gian, c\u00f4ng ngh\u1ec7 n\u00e0y lan r\u1ed9ng sang c\u00e1c l\u0129nh v\u1ef1c phi qu\u00e2n s\u1ef1 do vi\u1ec7c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i GPS trong c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c nhau nh\u01b0 h\u00e0ng kh\u00f4ng, h\u00e0ng h\u1ea3i v\u00e0 v\u1eadn t\u1ea3i m\u1eb7t \u0111\u1ea5t. K\u1ebft qu\u1ea3 l\u00e0, vi\u1ec7c g\u00e2y nhi\u1ec5u GPS v\u1eeba tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 g\u00e2y gi\u00e1n \u0111o\u1ea1n chi\u1ebfn l\u01b0\u1ee3c v\u1eeba l\u00e0 ph\u01b0\u01a1ng ti\u1ec7n cho ho\u1ea1t \u0111\u1ed9ng b\u1ea5t h\u1ee3p ph\u00e1p.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 g\u00e2y nhi\u1ec5u GPS<\/h2>\n<p>Vi\u1ec7c g\u00e2y nhi\u1ec5u GPS ho\u1ea1t \u0111\u1ed9ng theo nguy\u00ean t\u1eafc \u0111\u01a1n gi\u1ea3n: ch\u1ebf ng\u1ef1 t\u00edn hi\u1ec7u GPS t\u01b0\u01a1ng \u0111\u1ed1i y\u1ebfu t\u1eeb v\u1ec7 tinh b\u1eb1ng t\u00edn hi\u1ec7u m\u1ea1nh h\u01a1n, \u0111\u01b0\u1ee3c t\u1ea1o ra c\u1ee5c b\u1ed9 tr\u00ean c\u00f9ng t\u1ea7n s\u1ed1. S\u1ef1 can thi\u1ec7p n\u00e0y ng\u0103n c\u1ea3n m\u00e1y thu GPS gi\u1ea3i m\u00e3 t\u00edn hi\u1ec7u v\u1ec7 tinh x\u00e1c th\u1ef1c, d\u1eabn \u0111\u1ebfn m\u1ea5t ch\u1ee9c n\u0103ng GPS.<\/p>\n<p>T\u00edn hi\u1ec7u GPS, l\u00e0 s\u00f3ng v\u00f4 tuy\u1ebfn c\u00f4ng su\u1ea5t th\u1ea5p, \u0111\u1eb7c bi\u1ec7t d\u1ec5 b\u1ecb nhi\u1ec5u do kho\u1ea3ng c\u00e1ch 20.000 km t\u1eeb v\u1ec7 tinh \u0111\u1ebfn m\u00e1y thu l\u00e0m suy gi\u1ea3m t\u00edn hi\u1ec7u. Thi\u1ebft b\u1ecb g\u00e2y nhi\u1ec5u c\u00f4ng su\u1ea5t th\u1ea5p c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u1ea1o ra t\u00edn hi\u1ec7u m\u1ea1nh h\u01a1n che khu\u1ea5t t\u00edn hi\u1ec7u g\u1ed1c, g\u00e2y ra s\u1ef1 gi\u00e1n \u0111o\u1ea1n \u0111\u00e1ng k\u1ec3.<\/p>\n<h2>Ho\u1ea1t \u0111\u1ed9ng b\u00ean trong c\u1ee7a thi\u1ebft b\u1ecb g\u00e2y nhi\u1ec5u GPS<\/h2>\n<p>M\u1ed9t thi\u1ebft b\u1ecb g\u00e2y nhi\u1ec5u GPS th\u00f4ng th\u01b0\u1eddng bao g\u1ed3m \u0103ng-ten GPS, b\u1ed9 t\u1ea1o nhi\u1ec5u v\u00e0 ngu\u1ed3n \u0111i\u1ec7n. B\u1ed9 t\u1ea1o nhi\u1ec5u t\u1ea1o ra t\u00edn hi\u1ec7u c\u00f3 c\u00f9ng t\u1ea7n s\u1ed1 v\u1edbi t\u00edn hi\u1ec7u GPS (L1 \u1edf 1575,42 MHz ho\u1eb7c L2 \u1edf 1227,60 MHz) v\u00e0 \u0103ng-ten ph\u00e1t t\u00edn hi\u1ec7u nhi\u1ec5u n\u00e0y. K\u1ebft qu\u1ea3 l\u00e0, c\u00e1c m\u00e1y thu GPS trong ph\u1ea1m vi hi\u1ec7u qu\u1ea3 c\u1ee7a thi\u1ebft b\u1ecb g\u00e2y nhi\u1ec5u s\u1ebd b\u1ecb nhi\u1ec5u v\u00e0 kh\u00f4ng th\u1ec3 ch\u1ecdn ra t\u00edn hi\u1ec7u GPS th\u1ef1c s\u1ef1.<\/p>\n<h2>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a g\u00e2y nhi\u1ec5u GPS<\/h2>\n<ol>\n<li>\n<p><strong>Gi\u00e1n \u0111o\u1ea1n d\u1ef1a tr\u00ean t\u1ea7n s\u1ed1<\/strong>: Thi\u1ebft b\u1ecb g\u00e2y nhi\u1ec5u GPS ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch ph\u00e1t s\u00f3ng tr\u00ean c\u00f9ng t\u1ea7n s\u1ed1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi t\u00edn hi\u1ec7u GPS.<\/p>\n<\/li>\n<li>\n<p><strong>Ph\u1ea1m vi hi\u1ec7u \u1ee9ng<\/strong>: Ph\u1ea1m vi c\u1ee7a thi\u1ebft b\u1ecb g\u00e2y nhi\u1ec5u ph\u1ee5 thu\u1ed9c v\u00e0o c\u00f4ng su\u1ea5t \u0111\u1ea7u ra. Thi\u1ebft b\u1ecb g\u00e2y nhi\u1ec5u c\u00e1 nh\u00e2n, nh\u1ecf h\u01a1n c\u00f3 th\u1ec3 ch\u1ec9 c\u00f3 ph\u1ea1m vi v\u00e0i m\u00e9t, trong khi c\u00e1c thi\u1ebft b\u1ecb l\u1edbn h\u01a1n c\u00f3 th\u1ec3 l\u00e0m gi\u00e1n \u0111o\u1ea1n t\u00edn hi\u1ec7u GPS trong ph\u1ea1m vi v\u00e0i km.<\/p>\n<\/li>\n<li>\n<p><strong>Kh\u00f4ng ch\u1ecdn l\u1ecdc<\/strong>: Vi\u1ec7c g\u00e2y nhi\u1ec5u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c m\u00e1y thu GPS trong ph\u1ea1m vi m\u1ed9t c\u00e1ch b\u1eeba b\u00e3i, kh\u00f4ng nh\u1eafm m\u1ee5c ti\u00eau v\u00e0o b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb c\u1ee5 th\u1ec3 n\u00e0o.<\/p>\n<\/li>\n<li>\n<p><strong>T\u00ednh t\u1ea1m th\u1eddi<\/strong>: Vi\u1ec7c g\u00e2y nhi\u1ec5u GPS kh\u00f4ng l\u00e0m h\u1ecfng v\u0129nh vi\u1ec5n m\u00e1y thu GPS. Khi thi\u1ebft b\u1ecb g\u00e2y nhi\u1ec5u b\u1ecb t\u1eaft ho\u1eb7c di chuy\u1ec3n ra kh\u1ecfi ph\u1ea1m vi, m\u00e1y thu s\u1ebd ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i g\u00e2y nhi\u1ec5u GPS<\/h2>\n<p>Ch\u1ee7 y\u1ebfu c\u00f3 hai lo\u1ea1i g\u00e2y nhi\u1ec5u GPS:<\/p>\n<ol>\n<li>\n<p><strong>G\u00e2y nhi\u1ec5u ch\u1ee7 \u0111\u1ed9ng<\/strong>: Li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng m\u1ed9t thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng \u0111\u1ec3 t\u1ea1o v\u00e0 ph\u00e1t t\u00edn hi\u1ec7u g\u00e2y r\u1ed1i. \u0110\u00e2y l\u00e0 lo\u1ea1i g\u00e2y nhi\u1ec5u GPS ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/p>\n<\/li>\n<li>\n<p><strong>G\u00e2y nhi\u1ec5u th\u1ee5 \u0111\u1ed9ng<\/strong>: Li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u ho\u1eb7c ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 ch\u1eb7n ho\u1eb7c h\u1ea5p th\u1ee5 t\u00edn hi\u1ec7u GPS. V\u00ed d\u1ee5: c\u00e1c t\u00f2a nh\u00e0, n\u00fai non v\u00e0 m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u nh\u1ea5t \u0111\u1ecbnh c\u00f3 th\u1ec3 v\u00f4 t\u00ecnh g\u00e2y m\u1ea5t t\u00edn hi\u1ec7u GPS.<\/p>\n<\/li>\n<\/ol>\n<table>\n<thead>\n<tr>\n<th><\/th>\n<th>G\u00e2y nhi\u1ec5u ch\u1ee7 \u0111\u1ed9ng<\/th>\n<th>G\u00e2y nhi\u1ec5u th\u1ee5 \u0111\u1ed9ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Y\u00eau c\u1ea7u thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng<\/td>\n<td>\u0110\u00fang<\/td>\n<td>KH\u00d4NG<\/td>\n<\/tr>\n<tr>\n<td>C\u1ed1 \u00fd<\/td>\n<td>\u0110\u00fang<\/td>\n<td>Th\u01b0\u1eddng th\u00ec kh\u00f4ng<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi<\/td>\n<td>Bi\u1ebfn \u0111\u1ed5i<\/td>\n<td>Ph\u1ee5 thu\u1ed9c v\u00e0o tr\u1edf ng\u1ea1i v\u1eadt l\u00fd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<p>Vi\u1ec7c g\u00e2y nhi\u1ec5u GPS \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u1ea3 b\u1ed1i c\u1ea3nh qu\u00e2n s\u1ef1 v\u00e0 d\u00e2n s\u1ef1. C\u00e1c l\u1ef1c l\u01b0\u1ee3ng qu\u00e2n s\u1ef1 s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb g\u00e2y nhi\u1ec5u GPS \u0111\u1ec3 c\u1ea3n tr\u1edf h\u1ec7 th\u1ed1ng v\u0169 kh\u00ed d\u1eabn \u0111\u01b0\u1eddng v\u00e0 d\u1eabn \u0111\u01b0\u1eddng c\u1ee7a \u0111\u1ed1i ph\u01b0\u01a1ng. V\u1ec1 m\u1eb7t d\u00e2n s\u1ef1, thi\u1ebft b\u1ecb g\u00e2y nhi\u1ec5u GPS \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00e1i ph\u00e9p \u0111\u1ec3 v\u00f4 hi\u1ec7u h\u00f3a c\u00e1c thi\u1ebft b\u1ecb theo d\u00f5i ho\u1eb7c tr\u1ed1n tr\u00e1nh vi\u1ec7c th\u1ef1c thi ph\u00e1p lu\u1eadt.<\/p>\n<p>Tuy nhi\u00ean, b\u1ea3n ch\u1ea5t b\u1eeba b\u00e3i c\u1ee7a vi\u1ec7c g\u00e2y nhi\u1ec5u GPS \u0111\u1eb7t ra nh\u1eefng v\u1ea5n \u0111\u1ec1 \u0111\u00e1ng k\u1ec3. V\u00ed d\u1ee5: m\u1ed9t t\u00e0i x\u1ebf xe t\u1ea3i s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb g\u00e2y nhi\u1ec5u \u0111\u1ec3 tr\u00e1nh theo d\u00f5i v\u1ecb tr\u00ed c\u00f3 th\u1ec3 v\u00f4 t\u00ecnh l\u00e0m gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ed9t s\u00e2n bay g\u1ea7n \u0111\u00f3. C\u00e1c c\u01a1 quan th\u1ef1c thi ph\u00e1p lu\u1eadt \u0111ang t\u00edch c\u1ef1c ch\u1ed1ng l\u1ea1i vi\u1ec7c s\u1eed d\u1ee5ng tr\u00e1i ph\u00e9p thi\u1ebft b\u1ecb g\u00e2y nhi\u1ec5u.<\/p>\n<p>C\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ed1i ph\u00f3 v\u1edbi t\u00ecnh tr\u1ea1ng g\u00e2y nhi\u1ec5u GPS bao g\u1ed3m c\u00f4ng ngh\u1ec7 ch\u1ed1ng nhi\u1ec5u (nh\u01b0 \u0103ng-ten th\u00edch \u1ee9ng, \u0111i\u1ec1u khi\u1ec3n ch\u00f9m tia v\u00e0 l\u1ecdc t\u00edn hi\u1ec7u) v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p thay th\u1ebf GPS \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb (nh\u01b0 h\u1ec7 th\u1ed1ng Galileo c\u1ee7a Ch\u00e2u \u00c2u ho\u1eb7c h\u1ec7 th\u1ed1ng d\u1eabn \u0111\u01b0\u1eddng v\u00f4 tuy\u1ebfn tr\u00ean m\u1eb7t \u0111\u1ea5t).<\/p>\n<h2>So s\u00e1nh v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m<\/h2>\n<table>\n<thead>\n<tr>\n<th><\/th>\n<th>G\u00e2y nhi\u1ec5u GPS<\/th>\n<th>Gi\u1ea3 m\u1ea1o GPS<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>B\u1ea3n ch\u1ea5t c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng<\/td>\n<td>T\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5<\/td>\n<td>T\u00edn hi\u1ec7u l\u1eeba \u0111\u1ea3o<\/td>\n<\/tr>\n<tr>\n<td>Ph\u01b0\u01a1ng ph\u00e1p<\/td>\n<td>\u00c1p \u0111\u1ea3o t\u00edn hi\u1ec7u th\u1ef1c<\/td>\n<td>Thay th\u1ebf t\u00edn hi\u1ec7u th\u1ef1c<\/td>\n<\/tr>\n<tr>\n<td>C\u00e1c hi\u1ec7u \u1ee9ng<\/td>\n<td>M\u1ea5t ch\u1ee9c n\u0103ng GPS<\/td>\n<td>D\u1eef li\u1ec7u GPS sai<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n<\/td>\n<td>D\u1ec5 d\u00e0ng ph\u00e1t hi\u1ec7n<\/td>\n<td>Kh\u00f3 ph\u00e1t hi\u1ec7n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng lai<\/h2>\n<p>Nh\u1eefng ti\u1ebfn b\u1ed9 trong c\u00f4ng ngh\u1ec7 \u0111ang m\u1edf \u0111\u01b0\u1eddng cho c\u00e1c thi\u1ebft b\u1ecb g\u00e2y nhi\u1ec5u GPS tinh vi h\u01a1n v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p ch\u1ed1ng nhi\u1ec5u m\u1ea1nh m\u1ebd h\u01a1n. M\u1ed9t m\u1eb7t, c\u00e1c thi\u1ebft b\u1ecb g\u00e2y nhi\u1ec5u t\u1ea7n s\u1ed1 linh ho\u1ea1t, c\u00f3 th\u1ec3 l\u1eadp tr\u00ecnh c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 gi\u00e1n \u0111o\u1ea1n tr\u00ean ph\u1ea1m vi r\u1ed9ng h\u01a1n. M\u1eb7t kh\u00e1c, vi\u1ec7c t\u0103ng c\u01b0\u1eddng s\u1eed d\u1ee5ng thu\u1eadt to\u00e1n h\u1ecdc m\u00e1y trong m\u00e1y thu GPS c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh v\u00e0 gi\u1ea3m thi\u1ec3u c\u00e1c n\u1ed7 l\u1ef1c g\u00e2y nhi\u1ec5u t\u1ed1t h\u01a1n.<\/p>\n<h2>M\u00e1y ch\u1ee7 proxy v\u00e0 g\u00e2y nhi\u1ec5u GPS<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy v\u00e0 g\u00e2y nhi\u1ec5u GPS c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn b\u1ed1i c\u1ea3nh r\u1ed9ng h\u01a1n v\u1ec1 an ninh m\u1ea1ng v\u00e0 quy\u1ec1n ri\u00eang t\u01b0. Trong khi g\u00e2y nhi\u1ec5u GPS l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p v\u1eadt l\u00fd \u0111\u1ec3 ch\u1eb7n theo d\u00f5i, m\u00e1y ch\u1ee7 proxy cung c\u1ea5p ph\u01b0\u01a1ng ti\u1ec7n k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u1ec3 che khu\u1ea5t v\u1ecb tr\u00ed c\u1ee7a m\u1ed9t ng\u01b0\u1eddi v\u00e0 duy tr\u00ec quy\u1ec1n ri\u00eang t\u01b0 tr\u1ef1c tuy\u1ebfn. C\u1ea3 hai \u0111\u1ec1u nh\u1eb1m m\u1ee5c \u0111\u00edch ng\u0103n ch\u1eb7n vi\u1ec7c theo d\u00f5i v\u1ecb tr\u00ed kh\u00f4ng mong mu\u1ed1n, m\u1eb7c d\u00f9 trong c\u00e1c b\u1ed1i c\u1ea3nh r\u1ea5t kh\u00e1c nhau.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 vi\u1ec7c g\u00e2y nhi\u1ec5u GPS, h\u00e3y truy c\u1eadp:<\/p>\n<ol>\n<li><a href=\"https:\/\/www.gps.gov\/spectrum\/jamming\/\" target=\"_new\" rel=\"noopener nofollow\">GPS.gov: G\u00e2y nhi\u1ec5u<\/a><\/li>\n<li><a href=\"https:\/\/www.fcc.gov\/general\/jammer-enforcement\" target=\"_new\" rel=\"noopener nofollow\">FCC v\u1ec1 thi\u1ebft b\u1ecb g\u00e2y nhi\u1ec5u GPS<\/a><\/li>\n<li><a href=\"https:\/\/www.mitre.org\/research\/technology-transfer\/technology-licensing\/gps-anti-jam\" target=\"_new\" rel=\"noopener nofollow\">C\u00f4ng vi\u1ec7c c\u1ee7a MITER v\u1ec1 Ch\u1ed1ng nhi\u1ec5u GPS<\/a><\/li>\n<li><a href=\"https:\/\/www.ntia.gov\/SpectrumLeakage\" target=\"_new\" rel=\"noopener nofollow\">C\u1ee5c Vi\u1ec5n th\u00f4ng v\u00e0 Th\u00f4ng tin Qu\u1ed1c gia v\u1ec1 l\u1ed7 h\u1ed5ng GPS<\/a><\/li>\n<li><a href=\"http:\/\/www.esa.int\/Applications\/Telecommunications_Integrated_Applications\/Anti-jamming_antenna\" target=\"_new\" rel=\"noopener nofollow\">C\u01a1 quan V\u0169 tr\u1ee5 Ch\u00e2u \u00c2u v\u1ec1 Ch\u1ed1ng Nhi\u1ec5u<\/a><\/li>\n<\/ol>","protected":false},"featured_media":477367,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477366","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>GPS Jamming: An In-Depth Examination<\/mark>","faq_items":[{"question":"What is GPS Jamming?","answer":"<p>GPS jamming is a form of electronic warfare where signals from GPS satellites are intentionally disrupted, often resulting in inaccurate readings or even complete loss of GPS functionality.<\/p>"},{"question":"When was GPS Jamming first used?","answer":"<p>The first recorded usage of GPS jamming dates back to the 1990s, shortly after the public introduction of GPS technology. Initially, it was used by military forces to disrupt adversaries' GPS reception during conflicts or strategic operations.<\/p>"},{"question":"How does GPS Jamming work?","answer":"<p>A GPS jamming device consists of a GPS antenna, a noise generator, and a power source. The noise generator produces a signal on the same frequency as the GPS signals, and the antenna broadcasts this noise signal. The jamming device thus overpowers the weak GPS signals from satellites with stronger, locally-produced signals.<\/p>"},{"question":"What are the key features of GPS Jamming?","answer":"<p>The key features of GPS jamming include frequency-based disruption, range of effect depending on the power output of the device, non-selectivity as it affects all GPS receivers within range, and temporality as it does not permanently damage GPS receivers.<\/p>"},{"question":"What are the types of GPS Jamming?","answer":"<p>There are primarily two types of GPS jamming: Active jamming, which involves the use of a dedicated device to produce and broadcast a disruptive signal, and passive jamming, which involves the use of materials or methods to block or absorb GPS signals.<\/p>"},{"question":"How is GPS Jamming used and what are its problems?","answer":"<p>GPS jamming is used in both military and civilian contexts for strategic disruption and evasion. However, due to its non-selective nature, it can cause significant disruption to crucial services. Countermeasures include anti-jamming technology and alternatives to GPS for positioning.<\/p>"},{"question":"How does GPS Jamming compare with GPS Spoofing?","answer":"<p>While GPS jamming is a denial of service attack that overpowers the real signal, causing loss of GPS function, GPS spoofing is a more subtle attack that replaces the real signal with a deceptive one, causing false GPS data.<\/p>"},{"question":"What are the future prospects related to GPS Jamming?","answer":"<p>The future of GPS jamming involves more sophisticated jamming devices as well as more robust anti-jamming solutions, including the use of machine learning algorithms in GPS receivers to better identify and mitigate jamming attempts.<\/p>"},{"question":"How are proxy servers related to GPS Jamming?","answer":"<p>While GPS jamming is a physical approach to block tracking, a proxy server provides a digital means of obscuring one's location and maintaining privacy online.<\/p>"},{"question":"Where can I find more information about GPS Jamming?","answer":"<p>For more information on GPS jamming, you can visit sites such as GPS.gov, the FCC website, MITRE's work on GPS Anti-Jamming, the National Telecommunications and Information Administration website, and the European Space Agency's page on Anti-Jamming.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/477366","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/477366\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/477367"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=477366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}