Dzidzo:Sayenzi

Kugadzirwa kweredhiyo: saka ndiani ndiye wokutanga?

Kubudiswa kweredhiyo kwakaitika munguva yekutsvaga kwesayenzi uye yezvigadzirwa zvemhepo. Pamwe pamwe nezvimwe zvitsva, kutaurirana kusina wireless kwakava danho rinokosha mukufambira mberi kwevanhu, izvo zvinoshandisa zvose zviri mufananidzo wemichina Rugare, uye hupfumi uye hupfumi, kupa vanhu mikana mitsva mitsva.

Mamiriro ekutaurirana pasina wireless

Iro danho rokutanga rakagara risati rafanirwa kubudiswa kweredhiyo, boka rezvipfuwo raive kuwanikwa muna 1883 naTommas Edison wekugadzirisa nyaya kubva kumagetsi emabhuru. Muumbi wacho akacherechedza kuti mhepo yakashandiswa inoshandiswa kune electrode inogadzira ikozvino muvharidzi pakati pemafuta uye electrode. Iko ndiko kuti, iye akatanga kuziva kuti ikozvino inogona kutapurirwa kuburikidza nekunze kwekunze, pasina rubatsiro rwevatungamiri. Iyi nzira yainzi "Edison". Muna 1868, musayendisiti weAmerica Mahlon Loomis ndiye wokutanga kugadzira chiratidziro chekutaurirana kusina wireless. Zvechokwadi, iyi yakanga iri nzira yekutumira uye yekugamuchira antenna, kureba kwema 22 km. Zvisinei, yakanga yakaoma zvikuru uye yakanga isati yakwana mutsara wakazara. Kuti ugadzire uzere husina kushamwaridzana, unoda Akanga achiri kudzidza kushandisa magetsi emasikirwo emhepo kuti atumire ruzivo pamharaunda. Chinokosha kune chiitiko chinotevera chizivo chakanga chakasikwa naJakove Maxwell muna 1865 chebumbiro remagetsi emagetsi, apo Alexander Popov naGuglielmo Marconi vakatendeseka. Zvisinei, panguva iyoyo yaive ichiri kungofungidzira, kwete dzose dzakagamuchirwa. Dzidziso yemagetsi emagetsi yakanyatsosimbiswa apo, muna 1887, Henry Hertz akaratidza nyika nyika generator yake uye resonator ye electromagnetic oscillations. Basa revafizikiki idzi rava nheyo inokosha yechitsika chekupedzisira mukusikwa kwechigadziro, ivo vose pane imwe nguva vanogovera kuumbwa kweredhiyo. Chimwe chinhu ndechokuti izvi zvose zvaiedza zvaingova maongorori ekuongorora uye hazvina kuendeswa kumhedziso inonzwisisika.

Kugadzirwa kweredhiyo: saka ndiani ndiye wokutanga?

Munyika yedu zvinogara zvichidavira kuti kodzero yeanowana ndeyeAlexander Popov. Zvisinei, kumavirira iwe uchataurirwa kuti ndiItaly Guglielmo Marconi uyo akaumba radhiyo. Vose ava masayendisiti vanenge vari pamwe chete Akazadzisa chigadzirwa Hertz. Uye kunyange iyo yekugadzirwa kwekambani yaive yakafanana navo. Vose vari vaviri vakawedzera pasi uye antenna kune chigadziro, pamwe chete neainzi anonzi coherer-girazi tube, iyo yakaita sekudzivirira iyo kushorwa pamagumo acho kwakatora chete zvakanyanya kunaka uye kuita mirairo yekuita kuti mhepo iende uye iende. Muna 1895 kushandiswa kweredhiyo Popov kwakatanga kuziviswa . Iyi mharidzo yakaitika musi waMay 7 muRussian Physico-Chemical Society. Uye mukati megore remwaka iwoyo, Marconi anodzidzisa zvakafanana, asi wekutanga anotarisira kushanda kwekugadzirwa kwepentamende. Nokudaro, kubudiswa kweredhiyo kwakaoma kugovera zvakananga kumunhu oga, kwaiva mugumisiro wekutsvaga kwenguva refu kwemaonero emagetsi emagetsi uye pamwe chete nekugadzirisa kwaro mukuita.

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