{"id":53485,"date":"2019-12-03T00:00:00","date_gmt":"2019-12-02T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/zapis-sverh-shirokopolosnyh-signalov-standarta-802-15-4-uwb-na-pochti-sanktsionnoj-tehnike"},"modified":"2020-02-18T14:01:23","modified_gmt":"2020-02-18T11:01:23","slug":"zapis-sverh-shirokopolosnyh-signalov-standarta-802-15-4-uwb-na-pochti-sanktsionnoj-tehnike","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/zapis-sverh-shirokopolosnyh-signalov-standarta-802-15-4-uwb-na-pochti-sanktsionnoj-tehnike","title":{"rendered":"Z\u00e1znam ultra\u0161irokop\u00e1smov\u00fdch sign\u00e1l\u016f standardu 802.15.4 UWB na t\u00e9m\u011b\u0159 sankcionovan\u00e9 technice.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Z\u00e1znam ultra\u0161irokop\u00e1smov\u00fdch sign\u00e1l\u016f standardu 802.15.4 UWB na t\u00e9m\u011b\u0159 sankcionovan\u00e9 technice.\" src=\"\/wp-content\/uploads\/2019\/12\/68562b5e0b1849cba03dac91ba8e763f.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Ned\u00e1vno se ve na\u0161\u00ed laborato\u0159i spojily dva zcela odli\u0161n\u00e9 sv\u011bty: sv\u011bt levn\u00fdch r\u00e1diov\u00fdch transceiver\u016f a sv\u011bt velmi drah\u00fdch syst\u00e9m\u016f pro z\u00e1znam \u0161irokop\u00e1smov\u00fdch r\u00e1diov\u00fdch sign\u00e1l\u016f. <\/p>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p>Nejprve se na n\u00e1s obr\u00e1tili na\u0161i dob\u0159\u00ed p\u0159\u00e1tel\u00e9, abychom vyrobili software pro z\u00e1znam sign\u00e1lu o \u0161\u00ed\u0159ce 500 MHz. Samoz\u0159ejm\u011b jsme nemohli odm\u00edtnout. Bylo t\u0159eba to ud\u011blat na desce firmy &#171;Instrument\u00e1ln\u00ed Syst\u00e9my&#187;, kterou zn\u00e1m ji\u017e dlouho. Na po\u010d\u00e1tku sv\u00e9 in\u017een\u00fdrsk\u00e9 kari\u00e9ry jsem musel pracovat s jejich hardwarem a softwarem.<\/p>\n<p><\/p>\n<p>A pak p\u0159i\u0161el drah\u00fd p\u0159\u00edtel <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/users\/mikkab\/\" class=\"user_link\">mikkab<\/a><\/noindex> z <noindex><a rel=\"nofollow\" href=\"https:\/\/droneswarm.ru\/\">Dron\u00ed show<\/a><\/noindex> a po\u017e\u00e1dal o vytvo\u0159en\u00ed syst\u00e9mu polohov\u00e1n\u00ed pro drony bez GPS. \u0158\u00edk\u00e1, \u017ee je t\u0159eba po\u0159\u00e1dat show v hal\u00e1ch. A ani venku dneska nen\u00ed \u017e\u00e1douc\u00ed pou\u0161t\u011bt do vzduchu n\u011bkolik milion\u016f korun na nespolehliv\u00e9 GPS. Ru\u0161en\u00ed a spoofing satelitn\u00ed navigace <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/337608\/\">se rozm\u00e1haj\u00ed.<\/a><\/noindex>.<\/p>\n<p><\/p>\n<p>Pro polohov\u00e1n\u00ed bez satelit\u016f s p\u0159esnost\u00ed lep\u0161\u00ed ne\u017e deset centimetr\u016f v oblasti do jednoho kilometru jsem nena\u0161el nic jin\u00e9ho ne\u017e technologii UWB. Ji\u017e dlouho je na trhu spole\u010dnost DecaWave, kter\u00e1 vyr\u00e1b\u00ed \u010dip DW1000 a moduly na jeho z\u00e1klad\u011b. \u010cip je UWB transceiver standardu IEEE 802.15.4-2011. Mimochodem, je to unik\u00e1tn\u00ed za\u0159\u00edzen\u00ed, se dvojit\u00fdm nebo dokonce trojit\u00fdm dnem. Douf\u00e1m, \u017ee se n\u00e1m poda\u0159\u00ed proniknout do jeho hloubek v n\u00e1sleduj\u00edc\u00edch n\u011bkolika letech a napsat o tom. D\u0159\u00edve ur\u010dit\u011b nestihneme.<\/p>\n<p><\/p>\n<p>Ale dnes se nebav\u00edme o polohov\u00e1n\u00ed, o tom v n\u00e1sleduj\u00edc\u00edch epizod\u00e1ch.<\/p>\n<p><\/p>\n<p>Dnes prov\u00e1d\u00edme z\u00e1znam sign\u00e1lu DW1000. A \u0161\u00ed\u0159ka tohoto sign\u00e1lu nen\u00ed nic men\u0161\u00edho ne\u017e 1000 nebo 500 MHz, co\u017e je ur\u010deno \u010d\u00edslem kan\u00e1lu. &#171;Zcela n\u00e1hodou&#187; st\u00e1l na sousedn\u00edm stole po\u010d\u00edta\u010d s deskou <noindex><a rel=\"nofollow\" href=\"http:\/\/insys.ru\/fmc\/fmc126p\">FMC126P<\/a><\/noindex> od &#171;Instrument\u00e1ln\u00edch Syst\u00e9m\u016f&#187; s FMC mezan\u00ednem. <noindex><a rel=\"nofollow\" href=\"https:\/\/www.analog.com\/ru\/design-center\/evaluation-hardware-and-software\/evaluation-boards-kits\/eval-ad9208.html\">AD9208-3000EBZ<\/a><\/noindex> od Analog Devices.<\/p>\n<p><\/p>\n<p>Zde je t\u0159eba poznamenat &#171;pro prokur\u00e1tora&#187;, \u017ee ADC AD9208 je dnes sank\u010dn\u00ed technikou. Leg\u00e1ln\u011b jej nelze koupit do Ruska, a\u010dkoliv ob\u010das je na n\u011bj velk\u00e1 chu\u0165. Ale konkr\u00e9tn\u00ed modul byl zakoupen velmi d\u00e1vno, kdy\u017e sankce je\u0161t\u011b nebyly. Je \u010dist\u00fd jako du\u0161e novorozen\u011bte. Douf\u00e1m, \u017ee toto p\u0159izn\u00e1n\u00ed bude p\u0159ilo\u017eeno k p\u0159\u00edpadu a bude zapo\u010d\u00edt\u00e1no ob\u017ealovan\u00e9mu.<\/p>\n<p><\/p>\n<p>Nepojdeme nyn\u00ed do podrobnost\u00ed o v\u00fdvoji softwaru pro z\u00e1znam toku m\u011b\u0159en\u00ed do pam\u011bti po\u010d\u00edta\u010de. Bohu\u017eel, zat\u00edm nem\u016f\u017eeme zve\u0159ejnit zdrojov\u00fd k\u00f3d aplikace pro Linux. Douf\u00e1me v\u0161ak, \u017ee z\u00edsk\u00e1me povolen\u00ed k tomu p\u0159\u00ed\u0161t\u011b. Je t\u0159eba poznamenat, \u017ee to nebylo jednoduch\u00e9, i vzhledem k poskytovan\u00fdm softwarov\u00fdm prac\u00edm N\u00e1strojov\u00fdch Syst\u00e9m\u016f. Samotn\u00fd A\/D p\u0159evodn\u00edk a syst\u00e9m jeho taktov\u00e1n\u00ed a vyhodnocen\u00ed pomoc\u00ed technologie JESD204B jsou pom\u011brn\u011b slo\u017eit\u00e9 na pochopen\u00ed, a nav\u00edc se v modulu od AD uk\u00e1zaly pot\u0159ebn\u00e9 hardwarov\u00e9 patchy. Sign\u00e1l REFCLK je pro vstupn\u00ed syst\u00e9m nezbytn\u00fd, ale na modulu se dost\u00e1v\u00e1 na nespr\u00e1vn\u00e9 piny konektoru FMC a p\u0159\u00edslu\u0161n\u011b se nedost\u00e1v\u00e1 na pot\u0159ebn\u00e9 piny FPGA. Bylo nutn\u00e9 pou\u017e\u00edt patch, kter\u00fd lze vid\u011bt na n\u00ed\u017ee uveden\u00e9 fotografii \u2014 dva \u010derven\u00e9 vodi\u010de. Samoz\u0159ejm\u011b existovaly pochybnosti o tom, zda to bude fungovat. Frekvence taktovac\u00edho sign\u00e1lu je vysok\u00e1 \u2014 375 MHz, a patch je hrozn\u00fd. Ale syst\u00e9m to zvl\u00e1dl.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Z\u00e1znam ultra\u0161irokop\u00e1smov\u00fdch sign\u00e1l\u016f standardu 802.15.4 UWB na t\u00e9m\u011b\u0159 sankcionovan\u00e9 technice.\" src=\"\/wp-content\/uploads\/2019\/12\/1d4d728d3c8b3b69c91d3b21b1d5c60c.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Cel\u00e1 kuchy\u0148 vypad\u00e1 takto.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Z\u00e1znam ultra\u0161irokop\u00e1smov\u00fdch sign\u00e1l\u016f standardu 802.15.4 UWB na t\u00e9m\u011b\u0159 sankcionovan\u00e9 technice.\" src=\"\/wp-content\/uploads\/2019\/12\/4dc96f0194c69b3c9bd1fa9adfefd002.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Zde m\u016f\u017eete vid\u011bt po\u010d\u00edta\u010d s dobrou vstupn\u011b-v\u00fdstupn\u00ed syst\u00e9mem, desku FMC126P, mezan\u00edn AD9208-3000EBZ. Z generator\u016f: gener\u00e1tor 3000 MHz pro taktov\u00e1n\u00ed A\/D p\u0159evodn\u00edku, gener\u00e1tor 770 MHz pro REFCLK. Kabely s konektory SMA spojuj\u00ed gener\u00e1tory a dod\u00e1vaj\u00ed vstupn\u00ed sign\u00e1l.<\/p>\n<p><\/p>\n<p>Surov\u00e1 rychlost dat z v\u00fdstupu A\/D p\u0159evodn\u00edku, pokud se budeme dr\u017eet pravidla, dosahuje 12 GB\/s ze dvou kan\u00e1l\u016f. Podle m\u011b\u0159en\u00ed a prohl\u00e1\u0161en\u00ed v\u00fdrobce desky FMC126P je maxim\u00e1ln\u00ed rychlost p\u0159\u00edjmu 5 GB\/s. Proto jsme v A\/D p\u0159evodn\u00edku pou\u017eili pouze jeden kan\u00e1l a pro\u0161li jsme ho vestav\u011bn\u00fdm AD9208 DDC (Digit\u00e1ln\u00ed Doln\u00ed Konvertor) se decimac\u00ed na \u010dty\u0159i. T\u00edmto zp\u016fsobem dos\u00e1hl datov\u00fd tok 3 GB\/s (frekvence vzorkov\u00e1n\u00ed 750 MHz, 16bitov\u00fd slo\u017een\u00fd sign\u00e1l).<\/p>\n<p><\/p>\n<p>Ov\u011b\u0159en\u00ed, \u017ee syst\u00e9m st\u00edh\u00e1 zapisovat m\u011b\u0159en\u00ed, je velmi jednoduch\u00e9: sta\u010d\u00ed sledovat uv\u00edzl\u00e9 bity stavu FIFO FPGA. Pokud p\u0159es noc nedo\u0161lo k \u017e\u00e1dn\u00e9 ud\u00e1losti FIFO Overflow, bit nebude aktivov\u00e1n. A my s radost\u00ed konstatujeme, \u017ee nedo\u0161lo k \u017e\u00e1dn\u00fdm ztr\u00e1t\u00e1m m\u011b\u0159en\u00ed. P\u0159edt\u00edm samoz\u0159ejm\u011b zkontrolujeme, \u017ee se bity stavu registruj\u00ed spr\u00e1vn\u011b. Tak\u00e9 zkontrolujeme tvar sign\u00e1lu z souboru, abychom se ujistili, \u017ee kvalita sn\u00edm\u00e1n\u00ed sign\u00e1lu A\/D p\u0159evodn\u00edku odpov\u00edd\u00e1 dokumentaci.<\/p>\n<p><\/p>\n<p>Ale jak\u00fd sign\u00e1l si zaslou\u017e\u00ed takov\u00fd vstupn\u00ed syst\u00e9m? Samoz\u0159ejm\u011b UWB ze sousedn\u00edho stolu!<\/p>\n<p><\/p>\n<p>Na\u0161t\u011bst\u00ed jsme pro syst\u00e9m ur\u010dov\u00e1n\u00ed polohy dron\u016f zvolili frekvenci kan\u00e1lu 4 GHz. To odpov\u00edd\u00e1 kan\u00e1l\u016fm 4 a 2 v terminologii DW1000 (Obr\u00e1zek 13 datov\u00e9ho listu). Vytvo\u0159ili jsme vestav\u011bnou ant\u00e9nu na tuto frekvenci, nebo p\u0159esn\u011bji \u0159e\u010deno, na toto p\u00e1smo. Sla\u010fov\u00e1n\u00ed ji v tak \u0161irok\u00e9m p\u00e1smu nebylo jednoduch\u00e9. Ale v\u011bc se povedla! N\u011bkte\u0159\u00ed \u0159\u00edkaj\u00ed, \u017ee vypad\u00e1 jako symbol\u2026 s u\u0161kama.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Z\u00e1znam ultra\u0161irokop\u00e1smov\u00fdch sign\u00e1l\u016f standardu 802.15.4 UWB na t\u00e9m\u011b\u0159 sankcionovan\u00e9 technice.\" src=\"\/wp-content\/uploads\/2019\/12\/b553369fa20552e7fc852d63b325664e.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Sign\u00e1l 4 GHz s \u0161\u00ed\u0159kou p\u00e1sma 500 MHz spad\u00e1 do t\u0159et\u00edho Nyquistova p\u00e1sma a m\u00e1 dostate\u010dn\u00e9 ochrann\u00e9 intervaly, aby se vyhnul p\u0159ekr\u00fdv\u00e1n\u00ed spektra. Proto jsme jednodu\u0161e p\u0159ivedli sign\u00e1l DW1000 p\u0159\u00edmo na vstup ADC AD9208.<\/p>\n<p><\/p>\n<p>Obdr\u017eeli jsme dva soubory: jeden s frekvenc\u00ed PRF 64 MHz a druh\u00fd \u2014 16 MHz. Rychlost p\u0159enosu byla nastavena na minim\u00e1ln\u00ed pro DW1000 \u2014 110 kbit\/s.<\/p>\n<p><\/p>\n<p>To je <noindex><a rel=\"nofollow\" href=\"https:\/\/drive.google.com\/open?id=1sEgkDhkqKLpKFxTKilRB2po3ZPBkTOor\">prvn\u00ed<\/a><\/noindex> soubor, to je <noindex><a rel=\"nofollow\" href=\"https:\/\/drive.google.com\/open?id=1jsSVK_rPT0IuVGuV3gmdCvPWgMnKceZ2\">druh\u00e9<\/a><\/noindex>. Pozor, soubory jsou obrovsk\u00e9!<\/p>\n<p><\/p>\n<p>V prvn\u00edm souboru vid\u00edme pakety trvaj\u00edc\u00ed p\u0159ibli\u017en\u011b 750 vzork\u016f nebo 1000 nanosekund.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Z\u00e1znam ultra\u0161irokop\u00e1smov\u00fdch sign\u00e1l\u016f standardu 802.15.4 UWB na t\u00e9m\u011b\u0159 sankcionovan\u00e9 technice.\" src=\"\/wp-content\/uploads\/2019\/12\/b2d583d9e45d75bde63e44b43a0e3970.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Ve druh\u00e9m souboru jsou pakety \u010dty\u0159ikr\u00e1t krat\u0161\u00ed.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Z\u00e1znam ultra\u0161irokop\u00e1smov\u00fdch sign\u00e1l\u016f standardu 802.15.4 UWB na t\u00e9m\u011b\u0159 sankcionovan\u00e9 technice.\" src=\"\/wp-content\/uploads\/2019\/12\/12e85d2b8d68e2398b637aaa9ebfb84c.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>A to je zcela v souladu se standardem IEEE 802.15.4-2011 v \u010d\u00e1sti fyzick\u00e9 \u00farovn\u011b UWB:<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Z\u00e1znam ultra\u0161irokop\u00e1smov\u00fdch sign\u00e1l\u016f standardu 802.15.4 UWB na t\u00e9m\u011b\u0159 sankcionovan\u00e9 technice.\" src=\"\/wp-content\/uploads\/2019\/12\/671d8002c7cadeea61f2bb32964fcb51.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Modulace uvnit\u0159 paketu je podobn\u00e1 f\u00e1zov\u00e9, co\u017e tak\u00e9 odpov\u00edd\u00e1 uveden\u00e9mu standardu BPSK. Samotn\u00fd standard m\u016f\u017eete naj\u00edt na internetu, hledejte &#171;IEEE 802.15.4-2011&#187;.<\/p>\n<p><\/p>\n<p>Pokud trochu roz\u0161\u00ed\u0159\u00edme \u010dasov\u00e9 okno pozorov\u00e1n\u00ed, m\u016f\u017eeme vid\u011bt i nepravidelnosti v posloupnosti paket\u016f, co\u017e odpov\u00edd\u00e1 popisu hybridn\u00ed modulace IEEE 802.15.4-2011 UWB \u2014 pozicion\u00e1ln\u011b-f\u00e1zov\u00e9 (BPM-BPSK).<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Z\u00e1znam ultra\u0161irokop\u00e1smov\u00fdch sign\u00e1l\u016f standardu 802.15.4 UWB na t\u00e9m\u011b\u0159 sankcionovan\u00e9 technice.\" src=\"\/wp-content\/uploads\/2019\/12\/d9be4fac08b080efb714a4df071ea786.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Z\u00e1znam ultra\u0161irokop\u00e1smov\u00fdch sign\u00e1l\u016f standardu 802.15.4 UWB na t\u00e9m\u011b\u0159 sankcionovan\u00e9 technice.\" src=\"\/wp-content\/uploads\/2019\/12\/2e3a5dbb4902a52acd305100f52a9ac1.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Obecn\u011b pova\u017euji \u010dip DW1000 a modulaci tohoto UWB PHY za \u00fa\u017easnou, co\u017e m\u016f\u017ee znamenat cokoliv, na \u00farovni vojensk\u00e9ho JTIDS. To je moje nov\u00e1 v\u00e1\u0161e\u0148. Pokra\u010dov\u00e1n\u00ed p\u0159\u00ed\u0161t\u011b!<\/p>\n<p><\/p>\n<p>Na jedn\u00e9 stran\u011b budeme zkoumat DW1000, na druh\u00e9 stran\u011b budeme zji\u0161\u0165ovat standard IEEE 802.15.4.<\/p>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/478140\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0435\u0434\u0430\u0432\u043d\u043e \u0434\u0432\u0430 \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u043d\u043e \u0440\u0430\u0437\u043d\u044b\u0445 \u043c\u0438\u0440\u0430 \u0441\u043e\u0448\u043b\u0438\u0441\u044c \u0432 \u043d\u0430\u0448\u0435\u0439 \u043b\u0430\u0431\u043e\u0440\u0430\u0442\u043e\u0440\u0438\u0438: \u043c\u0438\u0440 \u043d\u0435\u0434\u043e\u0440\u043e\u0433\u0438\u0445 \u0440\u0430\u0434\u0438\u043e-\u0442\u0440\u0430\u043d\u0441\u0438\u0432\u0435\u0440\u043e\u0432 \u0438 \u043c\u0438\u0440 \u0434\u043e\u0440\u043e\u0433\u0443\u0449\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u0437\u0430\u043f\u0438\u0441\u0438 \u0448\u0438\u0440\u043e\u043a\u043e\u043f\u043e\u043b\u043e\u0441\u043d\u044b\u0445 \u0440\u0430\u0434\u0438\u043e-\u0441\u0438\u0433\u043d\u0430\u043b\u043e\u0432. \u0421\u043d\u0430\u0447\u0430\u043b\u0430 \u043a \u043d\u0430\u043c \u043e\u0431\u0440\u0430\u0442\u0438\u043b\u0438\u0441\u044c \u043d\u0430\u0448\u0438 \u0445\u043e\u0440\u043e\u0448\u0438\u0435 \u0434\u0440\u0443\u0437\u044c\u044f, \u0447\u0442\u043e\u0431\u044b \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0441\u043e\u0444\u0442 \u0434\u043b\u044f \u0437\u0430\u043f\u0438\u0441\u0438 \u0441\u0438\u0433\u043d\u0430\u043b\u0430 \u043f\u043e\u043b\u043e\u0441\u043e\u0439 500 \u041c\u0413\u0446. \u041c\u044b, \u043a\u043e\u043d\u0435\u0447\u043d\u043e, \u043d\u0435 \u0441\u043c\u043e\u0433\u043b\u0438 \u043e\u0442\u043a\u0430\u0437\u0430\u0442\u044c. \u0412\u0435\u0434\u044c \u043d\u0443\u0436\u043d\u043e \u0431\u044b\u043b\u043e \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u044d\u0442\u043e \u043d\u0430 \u043f\u043b\u0430\u0442\u0435 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 &#171;\u0418\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u044b\u0435 \u0421\u0438\u0441\u0442\u0435\u043c\u044b&#187;, \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u044f \u0437\u043d\u0430\u044e \u0434\u0430\u0432\u043d\u043e. \u041d\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-53485","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/zapis-sverh-shirokopolosnyh-signalov-standarta-802-15-4-uwb-na-pochti-sanktsionnoj-tehnike\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0417\u0430\u043f\u0438\u0441\u044c \u0441\u0432\u0435\u0440\u0445-\u0448\u0438\u0440\u043e\u043a\u043e\u043f\u043e\u043b\u043e\u0441\u043d\u044b\u0445 \u0441\u0438\u0433\u043d\u0430\u043b\u043e\u0432 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430 802.15.4 UWB \u043d\u0430 \u043f\u043e\u0447\u0442\u0438 \u0441\u0430\u043d\u043a\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0442\u0435\u0445\u043d\u0438\u043a\u0435 | ProHoster\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/zapis-sverh-shirokopolosnyh-signalov-standarta-802-15-4-uwb-na-pochti-sanktsionnoj-tehnike\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2019-12-02T21:00:00+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2020-02-18T11:01:23+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Z\u00e1znam super-\u0161irokop\u00e1smov\u00fdch sign\u00e1l\u016f standardu 802.15.4 UWB na t\u00e9m\u011b\u0159 sank\u010dn\u00ed technice | ProHoster","description":"","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/zapis-sverh-shirokopolosnyh-signalov-standarta-802-15-4-uwb-na-pochti-sanktsionnoj-tehnike","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0417\u0430\u043f\u0438\u0441\u044c \u0441\u0432\u0435\u0440\u0445-\u0448\u0438\u0440\u043e\u043a\u043e\u043f\u043e\u043b\u043e\u0441\u043d\u044b\u0445 \u0441\u0438\u0433\u043d\u0430\u043b\u043e\u0432 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430 802.15.4 UWB \u043d\u0430 \u043f\u043e\u0447\u0442\u0438 \u0441\u0430\u043d\u043a\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0442\u0435\u0445\u043d\u0438\u043a\u0435 | ProHoster","og:url":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/zapis-sverh-shirokopolosnyh-signalov-standarta-802-15-4-uwb-na-pochti-sanktsionnoj-tehnike","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2019-12-02T21:00:00+00:00","article:modified_time":"2020-02-18T11:01:23+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"53485","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":"2026-01-24 07:34:20","breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 20:24:29","updated":"2026-01-24 07:34:20","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/53485","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/comments?post=53485"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/53485\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/media?parent=53485"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/categories?post=53485"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/tags?post=53485"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}