{"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\/et\/blog\/administrirovanie\/zapis-sverh-shirokopolosnyh-signalov-standarta-802-15-4-uwb-na-pochti-sanktsionnoj-tehnike","title":{"rendered":"802.15.4 UWB standardi \u00fcli-laia ribalaiusega signaalide salvestamine peaaegu sanktsioneeritud tehnikal","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"802.15.4 UWB standardi \u00fcli-laia ribalaiusega signaalide salvestamine peaaegu sanktsioneeritud tehnikal\" src=\"\/wp-content\/uploads\/2019\/12\/68562b5e0b1849cba03dac91ba8e763f.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Hiljuti kohtusid meie laboris kaks t\u00e4iesti erinevat maailma: odavate raadio\u00fclekande seadmete maailm ja kallite laia bandiga raadio signaalide salvestuss\u00fcsteemide maailm. <\/p>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p>\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 \u0437\u0430\u0440\u0435 \u0438\u043d\u0436\u0435\u043d\u0435\u0440\u043d\u043e\u0439 \u0434\u0435\u044f\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u043c\u043d\u0435 \u043f\u0440\u0438\u0448\u043b\u043e\u0441\u044c \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0441 \u0438\u0445 \u0436\u0435\u043b\u0435\u0437\u043e\u043c \u0438 \u0441\u043e\u0444\u0442\u043e\u043c.<\/p>\n<p><\/p>\n<p>Ja siis tuli kallis s\u00f5ber <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/users\/mikkab\/\" class=\"user_link\">mikkab<\/a><\/noindex> kohast <noindex><a rel=\"nofollow\" href=\"https:\/\/droneswarm.ru\/\">Droonide show<\/a><\/noindex> ja palus teha GPS-i vaba positioneerimiss\u00fcsteemi droonidele. Ta \u00fctleb, et tuleb korraldada show siseruumides. Ja ka v\u00e4ljas ei tahaks meeglastada mitut miljonit raha ebausaldusv\u00e4\u00e4rse GPS-i peale. Satelliidi navigeerimise h\u00e4ired ja spooferdamine <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/337608\/\">on levinud<\/a><\/noindex>.<\/p>\n<p><\/p>\n<p>Kuna satelliitideta positsioneerimiseks, mille t\u00e4psus on parem kui k\u00fcmme sentimeetrit \u00fches kilomeetris, ei ole ma leidnud muud kui UWB-tehnoloogiat. Turul on juba ammu ettev\u00f5te DecaWave, mis toodab kiipe DW1000 ja mooduleid nende alusel. Kiip on IEEE 802.15.4-2011 standardiga  juhtmevaba t\u00f6\u00f6tleja. \u00dctlen ausalt, et see on ainulaadne seade, kahekordse v\u00f5i isegi kolmekordse s\u00fcvendi olemasoluga. Loodan, et suudame j\u00e4rgmise paari aasta jooksul s\u00fcveneda selle s\u00fcgavustesse ja kirjutada sellest. Enne ei j\u00f5ua.<\/p>\n<p><\/p>\n<p>Aga t\u00e4na ei r\u00e4\u00e4gi me positsioneerimisest, sellest tulevates osades.<\/p>\n<p><\/p>\n<p>\u0421\u0435\u0433\u043e\u0434\u043d\u044f \u043c\u044b \u0434\u0435\u043b\u0430\u0435\u043c \u0437\u0430\u043f\u0438\u0441\u044c \u0441\u0438\u0433\u043d\u0430\u043b\u0430 DW1000. \u0410 \u043f\u043e\u043b\u043e\u0441\u0430 \u044d\u0442\u043e\u0433\u043e \u0441\u0438\u0433\u043d\u0430\u043b\u0430 \u043d\u0438 \u043c\u043d\u043e\u0433\u043e, \u043d\u0438 \u043c\u0430\u043b\u043e, \u0430 1000 \u0438\u043b\u0438 500 \u041c\u0413\u0446, \u0447\u0442\u043e \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043d\u043e\u043c\u0435\u0440\u043e\u043c \u043a\u0430\u043d\u0430\u043b\u0430. &#171;\u0421\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u043d\u043e \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u043e&#187; \u043d\u0430 \u0441\u043e\u0441\u0435\u0434\u043d\u0435\u043c \u0441\u0442\u043e\u043b\u0435 \u0441\u0442\u043e\u044f\u043b \u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440 \u0441 \u043f\u043b\u0430\u0442\u043e\u0439 <noindex><a rel=\"nofollow\" href=\"http:\/\/insys.ru\/fmc\/fmc126p\">FMC126P<\/a><\/noindex> \u043e\u0442 &#171;\u0418\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u044b\u0445 \u0421\u0438\u0441\u0442\u0435\u043c&#187; \u0441 FMC-\u043c\u0435\u0437\u0430\u043d\u0438\u043d\u043e\u043c <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> ettev\u00f5ttelt Analog Devices.<\/p>\n<p><\/p>\n<p>\u0417\u0434\u0435\u0441\u044c \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u043e\u0442\u043c\u0435\u0442\u0438\u0442\u044c &#171;\u0434\u043b\u044f \u043f\u0440\u043e\u043a\u0443\u0440\u043e\u0440\u0430&#187;, \u0447\u0442\u043e \u0410\u0426\u041f AD9208 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0441\u0435\u0433\u043e\u0434\u043d\u044f \u0441\u0430\u043d\u043a\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0442\u0435\u0445\u043d\u0438\u043a\u043e\u0439. \u041b\u0435\u0433\u0430\u043b\u044c\u043d\u043e \u043a\u0443\u043f\u0438\u0442\u044c \u0435\u0433\u043e \u0432 \u0420\u043e\u0441\u0441\u0438\u044e \u043d\u0435\u043b\u044c\u0437\u044f, \u0445\u043e\u0442\u044c \u0438\u043d\u043e\u0433\u0434\u0430 \u0438 \u043e\u0447\u0435\u043d\u044c \u0445\u043e\u0447\u0435\u0442\u0441\u044f. \u041d\u043e \u0434\u0430\u043d\u043d\u044b\u0439 \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u044b\u0439 \u043c\u043e\u0434\u0443\u043b\u044c \u0431\u044b\u043b \u043a\u0443\u043f\u043b\u0435\u043d \u043e\u0447\u0435\u043d\u044c \u0434\u0430\u0432\u043d\u043e, \u043a\u043e\u0433\u0434\u0430 \u0441\u0430\u043d\u043a\u0446\u0438\u0439 \u0435\u0449\u0435 \u043d\u0435 \u0431\u044b\u043b\u043e. \u041e\u043d \u0447\u0438\u0441\u0442, \u043a\u0430\u043a \u0434\u0443\u0448\u0430 \u043c\u043b\u0430\u0434\u0435\u043d\u0446\u0430. \u041d\u0430\u0434\u0435\u044e\u0441\u044c, \u044d\u0442\u043e \u043f\u0440\u0438\u0437\u043d\u0430\u043d\u0438\u0435 \u0431\u0443\u0434\u0435\u0442 \u043f\u043e\u0434\u0448\u0438\u0442\u043e \u043a \u0434\u0435\u043b\u0443 \u0438 \u0437\u0430\u0447\u0442\u0435\u0442\u0441\u044f \u043f\u043e\u0434\u0441\u0443\u0434\u0438\u043c\u043e\u043c\u0443.<\/p>\n<p><\/p>\n<p>\u00c4rge muretsege, me ei hakka praegu s\u00fcvenema tarkvara arendamise \u00fcksikasjadesse, mis salvestab voolu arvutisse. Kahjuks ei saa me hetkel Linuxi rakenduse l\u00e4htekoodi avaldada. Kuid loodame j\u00e4rgmisel korral selleks loa saada. Tuleb m\u00e4rkida, et see ei olnud lihtne, kuigi Instrument Systems oli andnud vajalikud tarkvarafailid. ADC ja selle taktimooduli ning v\u00e4ljundite tehnoloogia JESD204B on \u00fcsna keerulised m\u00f5ista, ja AD moodulis osutusid vajalikuks ka riistvarapat\u0161id. REFCLK signaal on s\u00fcsteemile vajalik, kuid see ei toimi mooduli FMC pesas \u00f5igetes jalgades, mist\u00f5ttu ei j\u00f5ua see vajalikesse FPGA jalgadesse. Olime sunnitud panema pat\u0161i, mida n\u00e4ete alloleval pildil - kaks punast juhtmestikku. Loomulikult oli kahtlus, et see t\u00f6\u00f6tab. Taktisagedus on k\u00f5rge - 375 MHz ja pat\u0161 on kohutav. Kuid s\u00fcsteem toimis \u00e4ra.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"802.15.4 UWB standardi \u00fcli-laia ribalaiusega signaalide salvestamine peaaegu sanktsioneeritud tehnikal\" src=\"\/wp-content\/uploads\/2019\/12\/1d4d728d3c8b3b69c91d3b21b1d5c60c.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Kogu k\u00f6\u00f6k n\u00e4eb v\u00e4lja selline.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"802.15.4 UWB standardi \u00fcli-laia ribalaiusega signaalide salvestamine peaaegu sanktsioneeritud tehnikal\" src=\"\/wp-content\/uploads\/2019\/12\/4dc96f0194c69b3c9bd1fa9adfefd002.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Siit on n\u00e4ha arvutit, millel on hea sisend-output s\u00fcsteem, FMC126P plaat, mezaniin AD9208-3000EBZ. Generaatoreid on j\u00e4rgmised: 3000 MHz generaator ADC taktimiseks ja 770 MHz generaator REFCLK jaoks. SMA pistikute kaablid \u00fchendavad generaatorid ja edastavad sisendsignaali.<\/p>\n<p><\/p>\n<p>Tooraine andmeedastuskiirus ADC v\u00e4ljundist, kui mitte detailidesse laskuda, on 12 GB\/s kahest kanalist. FMC126P plaadi m\u00f5\u00f5tmiste ja tootja deklaratsiooni p\u00f5hjal on maksimaalne sisendikiirus 5 GB\/s. Seet\u00f5ttu kasutasime ADC-s ainult \u00fchte kanalit, edastades selle AD9208-sse sisse ehitatud DDC (Digital Down Converter) kaudu neli korda v\u00e4hendatud distsipliini. Nii et andmevoog oli 3 GB\/s (diskreetimise sagedus 750 MHz, 16-bitine kompleksne signaal).<\/p>\n<p><\/p>\n<p>S\u00fcsteemi andmete registreerimise j\u00e4lgimine on v\u00e4ga lihtne: tuleb lihtsalt j\u00e4lgida FIFO FPGA staatuse blokaadi bitte. Kui \u00f6\u00f6 jooksul ei ole olnud \u00fchtegi FIFO Overflow s\u00fcndmust, siis bitt ei aktiveeru. Ja me saame r\u00f5\u00f5muga kinnitada, et andmeid ei ole kadunud. Eelnevalt kontrollime, et staatuse bitid registreeritakse korralikult. Signaali vormi vaatame ka failist, et veenduda, et ADC signaali kvaliteet vastab dokumentatsioonile.<\/p>\n<p><\/p>\n<p>Aga milline signaal v\u00e4\u00e4rib sellist sisendit? Muidugi UWB naabri lauast!<\/p>\n<p><\/p>\n<p>\u00d5nneks oleme droonide positsioneerimise s\u00fcsteemi jaoks valinud kanali sageduse 4 GHz. See vastab DW1000 terminoloogias kanalitele 4 ja 2 (joonis 13 andmelehes). Me tegime selle sageduse jaoks integreeritud antenni plaadile v\u00f5i, parem \u00f6elda, sellele vahemikule. Selle s\u00fcnkroonimine nii laias vahemikus osutus keeruliseks. Aga tulemus on sensatsiooniline! M\u00f5ned \u00fctlevad, et see sarnaneb s\u00fcmbolile\u2026 k\u00f5rvadega.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"802.15.4 UWB standardi \u00fcli-laia ribalaiusega signaalide salvestamine peaaegu sanktsioneeritud tehnikal\" src=\"\/wp-content\/uploads\/2019\/12\/b553369fa20552e7fc852d63b325664e.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>4 GHz signaal koos 500 MHz lainepikkusega j\u00f5uab Nyquist'i kolmandasse v\u00f6\u00f6ndisse ja sellel on piisavad kaitsevahemikud, et v\u00e4ltida spektri kattumist. Seet\u00f5ttu oleme lihtsalt edastanud DW1000 signaali otse AD9208 ADC sisendisse.<\/p>\n<p><\/p>\n<p>Saime kaks faili: \u00fcks PRF sagedusega 64 MHz, teine 16 MHz. Edastuskiirus oli DW1000 jaoks minimaalne \u2014 110 kbit\/s.<\/p>\n<p><\/p>\n<p>See <noindex><a rel=\"nofollow\" href=\"https:\/\/drive.google.com\/open?id=1sEgkDhkqKLpKFxTKilRB2po3ZPBkTOor\">esimene<\/a><\/noindex> fail, see <noindex><a rel=\"nofollow\" href=\"https:\/\/drive.google.com\/open?id=1jsSVK_rPT0IuVGuV3gmdCvPWgMnKceZ2\">teine<\/a><\/noindex>. Olge ettevaatlik, failid on suured!<\/p>\n<p><\/p>\n<p>Esimeses failis n\u00e4eme pakette, mille kestus on umbes 750 proovi v\u00f5i 1000 nanosekundit.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"802.15.4 UWB standardi \u00fcli-laia ribalaiusega signaalide salvestamine peaaegu sanktsioneeritud tehnikal\" src=\"\/wp-content\/uploads\/2019\/12\/b2d583d9e45d75bde63e44b43a0e3970.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Teises failis on paketid neli korda l\u00fchemad.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"802.15.4 UWB standardi \u00fcli-laia ribalaiusega signaalide salvestamine peaaegu sanktsioneeritud tehnikal\" src=\"\/wp-content\/uploads\/2019\/12\/12e85d2b8d68e2398b637aaa9ebfb84c.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Ja see vastab IEEE 802.15.4-2011 standardile f\u00fc\u00fcsikalise taseme UWB osas:<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"802.15.4 UWB standardi \u00fcli-laia ribalaiusega signaalide salvestamine peaaegu sanktsioneeritud tehnikal\" src=\"\/wp-content\/uploads\/2019\/12\/671d8002c7cadeea61f2bb32964fcb51.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>\u041c\u043e\u0434\u0443\u043b\u044f\u0446\u0438\u044f \u0432\u043d\u0443\u0442\u0440\u0438 \u043f\u0430\u043a\u0435\u0442\u0430 \u043f\u043e\u0445\u043e\u0436\u0430 \u043d\u0430 \u0444\u0430\u0437\u043e\u0432\u0443\u044e, \u0447\u0442\u043e \u0442\u043e\u0436\u0435 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u0435\u0442 \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u0439 \u0432 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0435 BPSK. \u0421\u0430\u043c \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442 \u0432\u044b \u0441\u043c\u043e\u0436\u0435\u0442\u0435 \u043d\u0430\u0439\u0442\u0438 \u0432 \u0418\u043d\u0442\u0435\u0440\u043d\u0435\u0442\u0435, \u0438\u0449\u0438\u0442\u0435 &#171;IEEE 802.15.4-2011&#187;.<\/p>\n<p><\/p>\n<p>Kui veidi laiendada vaatlusperioodi, on n\u00e4ha ka pakettide eba\u00fchtlast j\u00e4rgnevust, mis vastab IEEE 802.15.4-2011 UWB h\u00fcbriidmoodulatsiooni kirjeldusele \u2014 positsioonilis-faasimuutusele (BPM-BPSK).<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"802.15.4 UWB standardi \u00fcli-laia ribalaiusega signaalide salvestamine peaaegu sanktsioneeritud tehnikal\" src=\"\/wp-content\/uploads\/2019\/12\/d9be4fac08b080efb714a4df071ea786.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"802.15.4 UWB standardi \u00fcli-laia ribalaiusega signaalide salvestamine peaaegu sanktsioneeritud tehnikal\" src=\"\/wp-content\/uploads\/2019\/12\/2e3a5dbb4902a52acd305100f52a9ac1.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>\u00dcldiselt pean DW1000 kiipi ja selle UWB PHY modulatsiooni \u00e4\u00e4rmiselt h\u00e4mmastavaks, olenemata sellest, mida see t\u00e4hendab, tasemel s\u00f5jav\u00e4eline JTIDS. See on minu uus hobi. J\u00e4tkub!<\/p>\n<p><\/p>\n<p>\u00dchelt poolt uurime DW1000, teiselt poolt keskendume IEEE 802.15.4 standardile.<\/p>\n<p>Allikas: <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 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041d\u0435\u0434\u0430\u0432\u043d\u043e \u0434\u0432\u0430 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\/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/zapis-sverh-shirokopolosnyh-signalov-standarta-802-15-4-uwb-na-pochti-sanktsionnoj-tehnike\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"et_EE\" \/>\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:description\" content=\"\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 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\/>\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\udd47802.15.4 UWB signaalide salvestamine peaaegu sanktsioneeritud seadmetes | ProHoster","description":"Hiljuti \u00fchendusid meie laboris kaks t\u00e4iesti erinevat maailma: odavate raadioedastajate maailm ja kallite laia sagedusala raadio-signaalide salvestamise s\u00fcsteemide maailm. Esmalt p\u00f6\u00f6rdusid meie head s\u00f5brad meie poole, et luua tarkvara 500 MHz signaali salvestamiseks. Loomulikult ei saanud me keelduda. 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