{"id":96143,"date":"2024-02-08T14:00:58","date_gmt":"2024-02-08T13:00:58","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/sdr-co-to-jest-i-do-czego-sluzy\/"},"modified":"2026-04-08T11:01:17","modified_gmt":"2026-04-08T09:01:17","slug":"sdr-co-to-je-a-k-cemu-se-pouziva","status":"publish","type":"post","link":"https:\/\/botland.cz\/blog\/sdr-co-to-je-a-k-cemu-se-pouziva\/","title":{"rendered":"SDR – Co to je a k \u010demu se pou\u017e\u00edv\u00e1?"},"content":{"rendered":"\u010cas \u010dten\u00ed:<\/span> 3<\/span> min.<\/span><\/span>\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

V posledn\u00edch letech se st\u00e1le \u010dast\u011bji pou\u017e\u00edv\u00e1 term\u00edn SDR. Co to znamen\u00e1 a pro\u010d je ve sv\u011bt\u011b nov\u00fdch technologi\u00ed tak popul\u00e1rn\u00ed? Sp\u011bch\u00e1me s vysv\u011btlen\u00edm! <\/em><\/p>\n

RF technologie<\/strong> je bezpochyby jednou z nejpokro\u010dilej\u0161\u00edch (a nejn\u00e1ro\u010dn\u011bj\u0161\u00edch) oblast\u00ed modern\u00ed elektroniky. Pr\u00e1ce s velmi rychl\u00fdmi sign\u00e1ly o frekvenc\u00edch a\u017e n\u011bkolika des\u00edtek gigahertz\u016f p\u0159in\u00e1\u0161\u00ed konstrukt\u00e9r\u016fm VF za\u0159\u00edzen\u00ed \u0159adu probl\u00e9m\u016f, a to jak ve f\u00e1z\u00edch n\u00e1vrhu sch\u00e9matu elektronick\u00e9ho obvodu, tak ve f\u00e1z\u00edch v\u00fdvoje desek plo\u0161n\u00fdch spoj\u016f. <\/p>\n

Je\u0161t\u011b hor\u0161\u00ed je, \u017ee ve v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f je za\u0159\u00edzen\u00ed ur\u010den\u00e9 pro ur\u010dit\u00fd \u00fa\u010del zcela nevhodn\u00e9 pro pou\u017eit\u00ed v jin\u00fdch aplikac\u00edch. Nejen to, ale i kdy\u017e se zm\u011bn\u00ed p\u0159enosov\u00e9 p\u00e1smo, mus\u00ed se cel\u00e9 za\u0159\u00edzen\u00ed v\u00e1\u017en\u011b p\u0159epracovat. Co takhle vytvo\u0159it univerz\u00e1ln\u00ed \u0159e\u0161en\u00ed, kter\u00e9 by zvl\u00e1dlo t\u00e9m\u011b\u0159 jak\u00fdkoli standard r\u00e1diov\u00e9 komunikace? My\u0161lenka se zd\u00e1 b\u00fdt fenomen\u00e1ln\u00ed, ale asi u\u017e intuitivn\u011b c\u00edt\u00edte, \u017ee abychom mohli na\u0161e vysn\u011bn\u00e9 za\u0159\u00edzen\u00ed snadno “p\u0159ev\u00e9st” na nov\u00fd re\u017eim provozu, museli bychom ho d\u016fkladn\u011b p\u0159eprogramovat. Po\u010dkat… a co hardwarov\u00e1 \u010d\u00e1st? A pr\u00e1v\u011b zde se dost\u00e1v\u00e1me k j\u00e1dru technologie SDR<\/strong>. Pokud se n\u00e1m tedy poda\u0159ilo v\u00e1s t\u00edmto stru\u010dn\u00fdm \u00favodem zaujmout – zveme v\u00e1s k p\u0159e\u010dten\u00ed zbytku \u010dl\u00e1nku! <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t
\n\t\t\t\t\t

SDR - definice a n\u00e1stin konceptu<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

Zkratka SDR<\/strong> je odvozena od anglick\u00e9ho term\u00ednu Software-Defined Radio<\/em>, co\u017e doslova znamen\u00e1 Softwarov\u011b definovan\u00e9 r\u00e1dio.<\/em>  A t\u00edm se dost\u00e1v\u00e1me k j\u00e1dru cel\u00e9 v\u011bci –SDR je radiokomunika\u010dn\u00ed architektura<\/strong>, kter\u00e1 p\u0159esouv\u00e1 v\u00fdznamnou \u010d\u00e1st hardwarov\u00fdch funkc\u00ed do softwarov\u00e9ho prostoru, co\u017e umo\u017e\u0148uje dynamickou rekonfiguraci a p\u0159izp\u016fsoben\u00ed syst\u00e9mu r\u016fzn\u00fdm pot\u0159eb\u00e1m. V tradi\u010dn\u00edch r\u00e1diov\u00fdch syst\u00e9mech byly funkce, jako je modulace, demodulace nebo filtrace, v\u017edy prov\u00e1d\u011bny ve vyhrazen\u00e9m hardwaru – elektronick\u00e9m obvodu, navr\u017een\u00e9m pro fungov\u00e1n\u00ed v dan\u00e9m frekven\u010dn\u00edm p\u00e1smu a s dal\u0161\u00edmi technick\u00fdmi parametry, kter\u00e9 byly p\u0159edem stanoveny ve f\u00e1zi n\u00e1vrhu. Takov\u00e1 architektura byla samoz\u0159ejm\u011b pom\u011brn\u011b “rigidn\u00ed”, a jak jsme ji\u017e zm\u00ednili, neposkytovala mnoho man\u00e9vrovac\u00edho prostoru, pokud by se objevila pot\u0159eba v\u00fdznamn\u00fdch \u00faprav. <\/p>\n

P\u0159enesen\u00edm “b\u0159emene” zpracov\u00e1n\u00ed VF sign\u00e1lu na software – co\u017e je z\u00e1kladn\u00ed princip technologie SDR – je mo\u017en\u00e9 dos\u00e1hnout v\u00fdznamn\u00fdch v\u00fdsledk\u016f v\u011bt\u0161\u00ed flexibilita<\/span>. Je to proto, \u017ee v\u0161echny d\u0159\u00edve zm\u00edn\u011bn\u00e9 operace se prov\u00e1d\u011bj\u00ed v softwarov\u00e9 vrstv\u011b, \u010dasto pomoc\u00ed algoritm\u016f b\u011b\u017e\u00edc\u00edch na platform\u00e1ch, jako jsou nap\u0159.  programovateln\u00e1 pole FPGA <\/span> (Field-Programmable Gate Array) nebo Sign\u00e1lov\u00e9 procesory DSP <\/span> (Digital Signal Processor). Je z\u0159ejm\u00e9, \u017ee pou\u017eit\u00ed t\u011bchto vysoce v\u00fdkonn\u00fdch platforem je nezbytn\u00e9 kv\u016fli rychlosti pot\u0159ebn\u00e9 k prov\u00e1d\u011bn\u00ed slo\u017eit\u00fdch matematick\u00fdch v\u00fdpo\u010dt\u016f – tzv.  B\u011b\u017en\u00fd mikrokontrol\u00e9r<\/span>  (nap\u0159. ATmega) by nebyl schopen zvl\u00e1dnout tak rozs\u00e1hl\u00e9 algoritmy, kter\u00e9 nav\u00edc mus\u00ed b\u00fdt provedeny ve velmi kr\u00e1tk\u00e9m \u010dase, a to po celou dobu vys\u00edl\u00e1n\u00ed nebo p\u0159\u00edjmu r\u00e1diov\u00fdch vln.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t
\n\t\t\t\t\t

Hardwarov\u00e1 str\u00e1nka SDR aneb co nelze prov\u00e9st programov\u011b<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

Samoz\u0159ejm\u011b nen\u00ed mo\u017en\u00e9 realizovat cel\u00e9 r\u00e1diov\u00e9 za\u0159\u00edzen\u00ed \u010dist\u011b softwarov\u011b – mus\u00edme p\u0159ece n\u011bjak p\u0159ij\u00edmat nebo vys\u00edlat sign\u00e1l, jin\u00fdmi slovy komunikovat na\u0161e za\u0159\u00edzen\u00ed s ant\u00e9nou. V p\u0159\u00edpad\u011b SDR je v\u0161ak zapojen\u00ed specializovan\u00e9ho hardwaru omezeno na naprost\u00e9 minimum – a tak m\u00e1me na stran\u011b vys\u00edla\u010de v\u00fdkonov\u00fd zesilova\u010d<\/strong>, do kter\u00e9ho je – p\u0159es takzvan\u00fd UP p\u0159evodn\u00edk<\/strong> (obvod pro p\u0159evod frekvence) – p\u0159iv\u00e1d\u011bn sign\u00e1l z rychl\u00e9ho digit\u00e1ln\u011b-analogov\u00e9ho p\u0159evodn\u00edku (DAC). <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\"\"\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t
HackRF One SDR RF testovac\u00ed za\u0159\u00edzen\u00ed - SparkFun WRL-13001.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tZKONTROLUJTE U SPOLE\u010cNOSTI BOTLAND<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

\u0158\u00eddic\u00ed data vys\u00edla\u010de<\/strong>, kter\u00e1 jsou v\u00fdsledkem matematick\u00fdch v\u00fdpo\u010dt\u016f a obsahuj\u00ed k\u00f3dovan\u00e1 data, kter\u00e1 maj\u00ed b\u00fdt p\u0159enesena, ji\u017e poch\u00e1zej\u00ed p\u0159\u00edmo ze “srdce” SDR<\/strong>, nap\u0159. z pole FPGA<\/strong>. <\/p>\n

A v opa\u010dn\u00e9m sm\u011bru – v p\u0159ij\u00edma\u010di SDR je hardwarov\u00e1 \u010d\u00e1st zkr\u00e1cena na n\u00edzko\u0161umov\u00fd zesilova\u010d (LNA)<\/strong> vybaven\u00fd z\u00e1kladn\u00edm filtrem, sm\u011b\u0161ova\u010dem a ADC, kter\u00fd vzorkuje mezifrekven\u010dn\u00ed sign\u00e1l a p\u0159en\u00e1\u0161\u00ed jej v digit\u00e1ln\u00ed podob\u011b p\u0159\u00edmo do FPGA\/DSP.<\/p>\n

Ve\u0161ker\u00e1 “magie” spojen\u00e1 s dal\u0161\u00edm zpracov\u00e1n\u00edm p\u0159ijat\u00fdch sign\u00e1l\u016f a jejich dek\u00f3dov\u00e1n\u00edm se ji\u017e prov\u00e1d\u00ed na stran\u011b softwaru, tak\u017ee stejn\u00e9 za\u0159\u00edzen\u00ed si porad\u00ed s r\u016fzn\u00fdmi typy modulace (nap\u0159. QAM, QPSK nebo OFDM) a r\u016fzn\u00fdmi standardy k\u00f3dov\u00e1n\u00ed dat.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

\n\t\t\t\t
\n\t\t\t\t\t\t\t
\n\t\t\t
<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t

Softwarov\u011b definovan\u00e9 r\u00e1dio pro ka\u017ed\u00e9ho aneb HackRF One SDR<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

V posledn\u00edch letech nab\u00fdv\u00e1 SDR<\/strong> intenzivn\u011b na v\u00fdznamu v souvislosti s nov\u00fdmi telekomunika\u010dn\u00edmi technologiemi<\/strong> – nap\u0159\u00edklad ve vojensk\u00fdch nebo kosmick\u00fdch aplikac\u00edch<\/strong> (satelitn\u00edch) jsou funk\u010dn\u00ed flexibilita a schopnost pracovat v \u0161irok\u00e9m frekven\u010dn\u00edm rozsahu rozhoduj\u00edc\u00ed pro p\u0159izp\u016fsoben\u00ed m\u011bn\u00edc\u00edm se pot\u0159eb\u00e1m a p\u0159enosov\u00fdm podm\u00ednk\u00e1m. Bohu\u017eel ve v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f jsou hardwarov\u00e9 platformy SDR<\/strong> – vzhledem k pot\u0159eb\u011b velmi drah\u00fdch pol\u00ed FPGA, DSP<\/strong> nebo rychl\u00fdch a n\u00edzko\u0161umov\u00fdch ADC a D\/A p\u0159evodn\u00edk\u016f<\/strong> – daleko mimo finan\u010dn\u00ed mo\u017enosti v\u011bt\u0161iny soukrom\u00fdch u\u017eivatel\u016f, stejn\u011b jako akademick\u00fdch organizac\u00ed nebo mal\u00fdch spole\u010dnost\u00ed. <\/p>\n

Na\u0161t\u011bst\u00ed se poda\u0159ilo zaplnit i tuto mezeru na trhu. Za\u0159\u00edzen\u00ed HackRF One SDR<\/strong><\/a> je hotov\u00e1 hardwarov\u00e1 platforma p\u0159izp\u016fsoben\u00e1 pro provoz ve velmi \u0161irok\u00e9m frekven\u010dn\u00edm rozsahu od 1 MHz a\u017e po 6 GHz<\/strong>. Vysokorychlostn\u00ed p\u0159evodn\u00edky se vzorkovac\u00ed frekvenc\u00ed 20 MSps poskytuj\u00ed \u0161irok\u00e9 mo\u017enosti pro implementaci a testov\u00e1n\u00ed r\u016fzn\u00fdch modula\u010dn\u00edch a demodula\u010dn\u00edch algoritm\u016f, zat\u00edmco kompatibilita s open-source softwarem GNU Radio<\/strong> poskytuje cenov\u011b dostupn\u00fd zp\u016fsob, jak se sezn\u00e1mit se z\u00e1kout\u00edmi technologie SDR, ani\u017e by bylo nutn\u00e9 investovat do drah\u00fdch komer\u010dn\u00edch syst\u00e9m\u016f. Za\u0159\u00edzen\u00ed komunikuje s po\u010d\u00edta\u010dem prost\u0159ednictv\u00edm rozhran\u00ed USB 2.0 a je vybaveno t\u0159emi konektory SMA: jeden slou\u017e\u00ed k p\u0159ipojen\u00ed ant\u00e9ny a dal\u0161\u00ed dva funguj\u00ed jako vstup a v\u00fdstup hodin. <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Zaj\u00edm\u00e1 v\u00e1s nejnov\u011bj\u0161\u00ed r\u00e1diov\u00e1 technologie? Ur\u010dit\u011b si p\u0159e\u010dt\u011bte, v \u010dem spo\u010d\u00edv\u00e1 technologie SDR a kter\u00e9 za\u0159\u00edzen\u00ed v\u00e1m umo\u017en\u00ed za\u010d\u00edt experimentovat v praxi! <\/p>\n","protected":false},"author":21,"featured_media":75734,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[548,549],"tags":[],"class_list":["post-96143","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-elektronika-cs","category-kompendium-cs"],"acf":[],"yoast_head":"\nSDR - Co to je a k \u010demu se pou\u017e\u00edv\u00e1? - Botland<\/title>\n<meta name=\"description\" content=\"Zaj\u00edm\u00e1 v\u00e1s nejnov\u011bj\u0161\u00ed r\u00e1diov\u00e1 technologie? Ur\u010dit\u011b si p\u0159e\u010dt\u011bte, v \u010dem spo\u010d\u00edv\u00e1 technologie SDR a kter\u00e9 za\u0159\u00edzen\u00ed v\u00e1m umo\u017en\u00ed za\u010d\u00edt experimentovat v praxi!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/botland.cz\/blog\/sdr-co-to-je-a-k-cemu-se-pouziva\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SDR - Co to je a k \u010demu se pou\u017e\u00edv\u00e1? - Botland\" \/>\n<meta property=\"og:description\" content=\"Zaj\u00edm\u00e1 v\u00e1s nejnov\u011bj\u0161\u00ed r\u00e1diov\u00e1 technologie? Ur\u010dit\u011b si p\u0159e\u010dt\u011bte, v \u010dem spo\u010d\u00edv\u00e1 technologie SDR a kter\u00e9 za\u0159\u00edzen\u00ed v\u00e1m umo\u017en\u00ed za\u010d\u00edt experimentovat v praxi!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/botland.cz\/blog\/sdr-co-to-je-a-k-cemu-se-pouziva\/\" \/>\n<meta property=\"og:site_name\" content=\"Botland\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/facebook.com\/Botland\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-02-08T13:00:58+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-08T09:01:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2024\/02\/sdr.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1510\" \/>\n\t<meta property=\"og:image:height\" content=\"755\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Mateusz Mr\u00f3z\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napsal(a)\" \/>\n\t<meta name=\"twitter:data1\" content=\"Mateusz Mr\u00f3z\" \/>\n\t<meta name=\"twitter:label2\" content=\"Odhadovan\u00e1 doba \u010dten\u00ed\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minut\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/botland.cz\\\/blog\\\/sdr-co-to-je-a-k-cemu-se-pouziva\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/botland.cz\\\/blog\\\/sdr-co-to-je-a-k-cemu-se-pouziva\\\/\"},\"author\":{\"name\":\"Mateusz Mr\u00f3z\",\"@id\":\"https:\\\/\\\/botland.com.pl\\\/blog\\\/#\\\/schema\\\/person\\\/774dbd37e308d5fb229ec7f3b8898559\"},\"headline\":\"SDR – Co to je a k \u010demu se pou\u017e\u00edv\u00e1?\",\"datePublished\":\"2024-02-08T13:00:58+00:00\",\"dateModified\":\"2026-04-08T09:01:17+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/botland.cz\\\/blog\\\/sdr-co-to-je-a-k-cemu-se-pouziva\\\/\"},\"wordCount\":1150,\"publisher\":{\"@id\":\"https:\\\/\\\/botland.com.pl\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/botland.cz\\\/blog\\\/sdr-co-to-je-a-k-cemu-se-pouziva\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/botland.cz\\\/blog\\\/wp-content\\\/uploads\\\/2024\\\/02\\\/sdr.png\",\"articleSection\":[\"Elektronika\",\"Kompendium\"],\"inLanguage\":\"cs\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/botland.cz\\\/blog\\\/sdr-co-to-je-a-k-cemu-se-pouziva\\\/\",\"url\":\"https:\\\/\\\/botland.cz\\\/blog\\\/sdr-co-to-je-a-k-cemu-se-pouziva\\\/\",\"name\":\"SDR - Co to je a k \u010demu se pou\u017e\u00edv\u00e1? - Botland\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/botland.com.pl\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/botland.cz\\\/blog\\\/sdr-co-to-je-a-k-cemu-se-pouziva\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/botland.cz\\\/blog\\\/sdr-co-to-je-a-k-cemu-se-pouziva\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/botland.cz\\\/blog\\\/wp-content\\\/uploads\\\/2024\\\/02\\\/sdr.png\",\"datePublished\":\"2024-02-08T13:00:58+00:00\",\"dateModified\":\"2026-04-08T09:01:17+00:00\",\"description\":\"Zaj\u00edm\u00e1 v\u00e1s nejnov\u011bj\u0161\u00ed r\u00e1diov\u00e1 technologie? Ur\u010dit\u011b si p\u0159e\u010dt\u011bte, v \u010dem spo\u010d\u00edv\u00e1 technologie SDR a kter\u00e9 za\u0159\u00edzen\u00ed v\u00e1m umo\u017en\u00ed za\u010d\u00edt experimentovat v praxi!\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/botland.cz\\\/blog\\\/sdr-co-to-je-a-k-cemu-se-pouziva\\\/#breadcrumb\"},\"inLanguage\":\"cs\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/botland.cz\\\/blog\\\/sdr-co-to-je-a-k-cemu-se-pouziva\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"cs\",\"@id\":\"https:\\\/\\\/botland.cz\\\/blog\\\/sdr-co-to-je-a-k-cemu-se-pouziva\\\/#primaryimage\",\"url\":\"https:\\\/\\\/botland.cz\\\/blog\\\/wp-content\\\/uploads\\\/2024\\\/02\\\/sdr.png\",\"contentUrl\":\"https:\\\/\\\/botland.cz\\\/blog\\\/wp-content\\\/uploads\\\/2024\\\/02\\\/sdr.png\",\"width\":1510,\"height\":755},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/botland.cz\\\/blog\\\/sdr-co-to-je-a-k-cemu-se-pouziva\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Strona g\u0142\u00f3wna\",\"item\":\"https:\\\/\\\/botland.cz\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"SDR – Co to je a k \u010demu se pou\u017e\u00edv\u00e1?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/botland.com.pl\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/botland.com.pl\\\/blog\\\/\",\"name\":\"Botland\",\"description\":\"Blog Raspberry Pi, Arduino, elektronika i robotyka - Botland\",\"publisher\":{\"@id\":\"https:\\\/\\\/botland.com.pl\\\/blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/botland.com.pl\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"cs\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/botland.com.pl\\\/blog\\\/#organization\",\"name\":\"Botland\",\"url\":\"https:\\\/\\\/botland.com.pl\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"cs\",\"@id\":\"https:\\\/\\\/botland.com.pl\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/botland.store\\\/blog\\\/wp-content\\\/uploads\\\/2018\\\/04\\\/logo_kolor_WP_2-1.png\",\"contentUrl\":\"https:\\\/\\\/botland.store\\\/blog\\\/wp-content\\\/uploads\\\/2018\\\/04\\\/logo_kolor_WP_2-1.png\",\"width\":250,\"height\":57,\"caption\":\"Botland\"},\"image\":{\"@id\":\"https:\\\/\\\/botland.com.pl\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/facebook.com\\\/Botland\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/botland.com.pl\\\/blog\\\/#\\\/schema\\\/person\\\/774dbd37e308d5fb229ec7f3b8898559\",\"name\":\"Mateusz Mr\u00f3z\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"cs\",\"@id\":\"https:\\\/\\\/botland.cz\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/02\\\/12-300x300.png\",\"url\":\"https:\\\/\\\/botland.cz\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/02\\\/12-300x300.png\",\"contentUrl\":\"https:\\\/\\\/botland.cz\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/02\\\/12-300x300.png\",\"caption\":\"Mateusz Mr\u00f3z\"},\"description\":\"Marzyciel, mi\u0142o\u015bnik podr\u00f3\u017cy i fan nowinek technologicznych. Swoje pomys\u0142y na Raspberry Pi i Arduino ch\u0119tnie przekuwa w konkrety. Uparty samouk \u2013 o pomoc prosi dopiero wtedy kiedy zabraknie pozycji w wyszukiwarce. Uwa\u017ca, \u017ce przy odpowiednim podej\u015bciu mo\u017cna osi\u0105gn\u0105\u0107 ka\u017cdy cel.\",\"url\":\"https:\\\/\\\/botland.cz\\\/blog\\\/author\\\/mateusz-mroz\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"SDR - Co to je a k \u010demu se pou\u017e\u00edv\u00e1? - Botland","description":"Zaj\u00edm\u00e1 v\u00e1s nejnov\u011bj\u0161\u00ed r\u00e1diov\u00e1 technologie? Ur\u010dit\u011b si p\u0159e\u010dt\u011bte, v \u010dem spo\u010d\u00edv\u00e1 technologie SDR a kter\u00e9 za\u0159\u00edzen\u00ed v\u00e1m umo\u017en\u00ed za\u010d\u00edt experimentovat v praxi!","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/botland.cz\/blog\/sdr-co-to-je-a-k-cemu-se-pouziva\/","og_locale":"cs_CZ","og_type":"article","og_title":"SDR - Co to je a k \u010demu se pou\u017e\u00edv\u00e1? - Botland","og_description":"Zaj\u00edm\u00e1 v\u00e1s nejnov\u011bj\u0161\u00ed r\u00e1diov\u00e1 technologie? Ur\u010dit\u011b si p\u0159e\u010dt\u011bte, v \u010dem spo\u010d\u00edv\u00e1 technologie SDR a kter\u00e9 za\u0159\u00edzen\u00ed v\u00e1m umo\u017en\u00ed za\u010d\u00edt experimentovat v praxi!","og_url":"https:\/\/botland.cz\/blog\/sdr-co-to-je-a-k-cemu-se-pouziva\/","og_site_name":"Botland","article_publisher":"https:\/\/facebook.com\/Botland\/","article_published_time":"2024-02-08T13:00:58+00:00","article_modified_time":"2026-04-08T09:01:17+00:00","og_image":[{"width":1510,"height":755,"url":"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2024\/02\/sdr.png","type":"image\/png"}],"author":"Mateusz Mr\u00f3z","twitter_card":"summary_large_image","twitter_misc":{"Napsal(a)":"Mateusz Mr\u00f3z","Odhadovan\u00e1 doba \u010dten\u00ed":"5 minut"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/botland.cz\/blog\/sdr-co-to-je-a-k-cemu-se-pouziva\/#article","isPartOf":{"@id":"https:\/\/botland.cz\/blog\/sdr-co-to-je-a-k-cemu-se-pouziva\/"},"author":{"name":"Mateusz Mr\u00f3z","@id":"https:\/\/botland.com.pl\/blog\/#\/schema\/person\/774dbd37e308d5fb229ec7f3b8898559"},"headline":"SDR – Co to je a k \u010demu se pou\u017e\u00edv\u00e1?","datePublished":"2024-02-08T13:00:58+00:00","dateModified":"2026-04-08T09:01:17+00:00","mainEntityOfPage":{"@id":"https:\/\/botland.cz\/blog\/sdr-co-to-je-a-k-cemu-se-pouziva\/"},"wordCount":1150,"publisher":{"@id":"https:\/\/botland.com.pl\/blog\/#organization"},"image":{"@id":"https:\/\/botland.cz\/blog\/sdr-co-to-je-a-k-cemu-se-pouziva\/#primaryimage"},"thumbnailUrl":"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2024\/02\/sdr.png","articleSection":["Elektronika","Kompendium"],"inLanguage":"cs"},{"@type":"WebPage","@id":"https:\/\/botland.cz\/blog\/sdr-co-to-je-a-k-cemu-se-pouziva\/","url":"https:\/\/botland.cz\/blog\/sdr-co-to-je-a-k-cemu-se-pouziva\/","name":"SDR - Co to je a k \u010demu se pou\u017e\u00edv\u00e1? - Botland","isPartOf":{"@id":"https:\/\/botland.com.pl\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/botland.cz\/blog\/sdr-co-to-je-a-k-cemu-se-pouziva\/#primaryimage"},"image":{"@id":"https:\/\/botland.cz\/blog\/sdr-co-to-je-a-k-cemu-se-pouziva\/#primaryimage"},"thumbnailUrl":"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2024\/02\/sdr.png","datePublished":"2024-02-08T13:00:58+00:00","dateModified":"2026-04-08T09:01:17+00:00","description":"Zaj\u00edm\u00e1 v\u00e1s nejnov\u011bj\u0161\u00ed r\u00e1diov\u00e1 technologie? Ur\u010dit\u011b si p\u0159e\u010dt\u011bte, v \u010dem spo\u010d\u00edv\u00e1 technologie SDR a kter\u00e9 za\u0159\u00edzen\u00ed v\u00e1m umo\u017en\u00ed za\u010d\u00edt experimentovat v praxi!","breadcrumb":{"@id":"https:\/\/botland.cz\/blog\/sdr-co-to-je-a-k-cemu-se-pouziva\/#breadcrumb"},"inLanguage":"cs","potentialAction":[{"@type":"ReadAction","target":["https:\/\/botland.cz\/blog\/sdr-co-to-je-a-k-cemu-se-pouziva\/"]}]},{"@type":"ImageObject","inLanguage":"cs","@id":"https:\/\/botland.cz\/blog\/sdr-co-to-je-a-k-cemu-se-pouziva\/#primaryimage","url":"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2024\/02\/sdr.png","contentUrl":"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2024\/02\/sdr.png","width":1510,"height":755},{"@type":"BreadcrumbList","@id":"https:\/\/botland.cz\/blog\/sdr-co-to-je-a-k-cemu-se-pouziva\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Strona g\u0142\u00f3wna","item":"https:\/\/botland.cz\/blog\/"},{"@type":"ListItem","position":2,"name":"SDR – Co to je a k \u010demu se pou\u017e\u00edv\u00e1?"}]},{"@type":"WebSite","@id":"https:\/\/botland.com.pl\/blog\/#website","url":"https:\/\/botland.com.pl\/blog\/","name":"Botland","description":"Blog Raspberry Pi, Arduino, elektronika i robotyka - Botland","publisher":{"@id":"https:\/\/botland.com.pl\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/botland.com.pl\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"cs"},{"@type":"Organization","@id":"https:\/\/botland.com.pl\/blog\/#organization","name":"Botland","url":"https:\/\/botland.com.pl\/blog\/","logo":{"@type":"ImageObject","inLanguage":"cs","@id":"https:\/\/botland.com.pl\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/botland.store\/blog\/wp-content\/uploads\/2018\/04\/logo_kolor_WP_2-1.png","contentUrl":"https:\/\/botland.store\/blog\/wp-content\/uploads\/2018\/04\/logo_kolor_WP_2-1.png","width":250,"height":57,"caption":"Botland"},"image":{"@id":"https:\/\/botland.com.pl\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/facebook.com\/Botland\/"]},{"@type":"Person","@id":"https:\/\/botland.com.pl\/blog\/#\/schema\/person\/774dbd37e308d5fb229ec7f3b8898559","name":"Mateusz Mr\u00f3z","image":{"@type":"ImageObject","inLanguage":"cs","@id":"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2025\/02\/12-300x300.png","url":"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2025\/02\/12-300x300.png","contentUrl":"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2025\/02\/12-300x300.png","caption":"Mateusz Mr\u00f3z"},"description":"Marzyciel, mi\u0142o\u015bnik podr\u00f3\u017cy i fan nowinek technologicznych. Swoje pomys\u0142y na Raspberry Pi i Arduino ch\u0119tnie przekuwa w konkrety. Uparty samouk \u2013 o pomoc prosi dopiero wtedy kiedy zabraknie pozycji w wyszukiwarce. Uwa\u017ca, \u017ce przy odpowiednim podej\u015bciu mo\u017cna osi\u0105gn\u0105\u0107 ka\u017cdy cel.","url":"https:\/\/botland.cz\/blog\/author\/mateusz-mroz\/"}]}},"_links":{"self":[{"href":"https:\/\/botland.cz\/blog\/wp-json\/wp\/v2\/posts\/96143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/botland.cz\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/botland.cz\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/botland.cz\/blog\/wp-json\/wp\/v2\/users\/21"}],"replies":[{"embeddable":true,"href":"https:\/\/botland.cz\/blog\/wp-json\/wp\/v2\/comments?post=96143"}],"version-history":[{"count":0,"href":"https:\/\/botland.cz\/blog\/wp-json\/wp\/v2\/posts\/96143\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/botland.cz\/blog\/wp-json\/wp\/v2\/media\/75734"}],"wp:attachment":[{"href":"https:\/\/botland.cz\/blog\/wp-json\/wp\/v2\/media?parent=96143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/botland.cz\/blog\/wp-json\/wp\/v2\/categories?post=96143"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/botland.cz\/blog\/wp-json\/wp\/v2\/tags?post=96143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}