Radio - Chii ichocho? Nheyo chiratidzo hutachiwana

Kwete kukuudzai redhiyo munyika nhasi sei kukosha. Chii? The Tsanangudzo inoti kuti mumwe yedzimudzangara mitoo daro kuburikidza remagetsi mafungu. Kazhinji, shoko pacharo kunoreva zano kuti yagadzirwa nemasayendisiti Russian Popovym Aleksandrom Stepanovichem 1895. Uye kubva ipapo, hakuna akarasika kushanda kwayo.

Vanozopinda munhoroondo

redhiyo nyaya muupenyu hazvigoni rudo vanokosha vanhu. It akasikwa nemasayendisiti Russian kuti mudziyo aponesa mazana upenyu kubva aparara ari "Titanic" - vaifanira kutumira kununura chiratidzo.

A. S. Popov akatanga kuitisa kuedza ake shure muna 1889. kuvamba ake yaakasimbisa pamusoro nezvakaitika musayendisiti German magetsi mafungu Genriha Rudolfa Hertz vake, panguva iyo yakanga kuzadzisa chimiro inokosha simba nezvitsiga. Muna 1894, nokuti Popov ave zvakagadzirirwa mudziyo wokutanga.

Papera chinguva paiva redhiyo chaizvo. Izvi zvakaitika muna 1895. Kutsvaka kuti dzikurukure anonongedzera kuna remagetsi minda, kuti muvambi rinoshandisa resonance chinoshamisa. Uye nokuti vanyorwa zvitange anonongedzera rinoshanda coherer - girazi chubhu ine mafufu simbi, izvo zvinogona kuchinja kurwisa kwayo. Kubva panguva iyoyo unotanga nguva redhiyo michina.

Nheyo chiratidzo hutachiwana

All nyika mazuva kubva musi electronic zvokushandisa, izvo inotongwa redhiyo anonongedzera kuti simba. Uye kuti kunzwisisa redhiyo, unofanira kunzwisisa zviga nokushanda mudziyo.

Kudivi achitumira anoumba refu Frequency inotakura Mureza imwe kakawanda, iyo zvino seari pasi mashoko dziriko. Chiri modulated. United nzira redhiyo mafungu chaibwinya nokuda achitumira kanyanga runoyerera kupinda nzvimbo.

chiratidzo achiona mudziyo

The kure nzvimbo kunobva chiratidzo kutumwa redhiyo kugamuchirwa kanyanga akabatwa. danho ichi chinoratidza redhiyo kakawanda chiratidzo kubudiswa kuti kunoitika mumatanho:

1. Nokufamba munzira remagetsi minda zvinowanisa nemagetsi dzenzvimbo ari receiver.
2. Low-simba remagetsi riri yakasvinwa kubvisa kukanganiswa uye kuziva anobatsira mashoko.
3. "Yakanatswa" anonongedzera vari decoded, dzakaonekwa, wakawanirwa ruzivo asunungurwa.
4. Ko kuchinjwa kuva akagadzirwa redhiyo-ushamwari maonero mudziyo kuti inzwi, mufananidzo, mavhidhiyo.

Kazhinji, asati decoding mureza ichipfuura vakawanda mano - amplifiers, maitikiro converters - uye pasi digitizing kugadzira chirongwa. Uye chete ipapo tichakwanisa kunzwisisa mashoko yakagamuchirwa redhiyo. Izvi panguva runogonesa omumwe yepamusoro uye ruzivo.

Radio munyika yanhasi

Munyika yanhasi, redhiyo varasikirwa mukurumbira wayo - kuteerera mumhanzi, kukurukurirana nehama kure, kugamuchira nhau akashandisa Tech midziyo. Asi makore 40 apfuura mudziyo uyu chaiva kwainyanya zvinovaraidza mashoko. Radio manheru refu vakakomberedza mhuri, shamwari, mapoka.

Wokutanga yeredhiyo akadzoka muna 1907 muNew York. Lee De Forest akaita nhepfenyuro shongwe. Zvisinei, dzichichinja nzvimbo yacho redhiyo. It zvainonotsa kukura kukurumbira nzira itsva dzevaraidzo. Makore gumi gare gare chiteshi akatanga kuonekwa munyika dzeEurope - neCzechoslovakia, Ireland, Holland. Uye mushure 20-ies, ivo zvakapararira. Uye vave nanhasi.

Zvino mukurumbira chaizvo Internet Radio. Chii? Kutaura zvazviri, imwe yenhepfenyuro mumhanzi, nhau, asi nechekure kuburikidza munyika rezvebonde protocols. Asi nokuda chichiitwa kukura date kukurukurirana, uye pasina nguva nzira iyi nhepfenyuro panobviswa kubva hwedu.