Chii chinonzi satellite transmission?

Chii chinonzi satellite transmission? Satellite transmission⁢ inoreva kutaurirana kwe⁢ zviratidzo, data kana ruzivo kuburikidza nemasatelliti ekugadzira mu orbit⁤ yePasi. Iyi nzira yekufambisa inoshandisa tekinoroji yesatiraiti kufambisa maodhiyo, vhidhiyo, uye masiginecha edhata pamusoro pemadaro marefu, zvichiita kuti ive chishandiso chakakosha pakukurukurirana kwepasirese. ⁢Kufambiswa kweSatellite kunoshandiswa munzvimbo dzakasiyana siyana, sekufambiswa kwemashoko, satellite terevhizheni, ⁤GPS navigation, meteorology, uye tsvakiridzo yesainzi.

Mune satellite transmission, ruzivo rwunotumirwa kubva kwaakabva kuenda kune satellite mu orbit, iyo inobva yatumira chiratidzo kune imwe nzvimbo kune imwe nzvimbo paNyika. Izvi zvinowanikwa kuburikidza nekushandiswa kwemafungu emagetsi anofambiswa kubva kune antenna yepasi kuenda kune satellite. Iyo satellite inogamuchira uye nekukudza chiratidzo uye yozoitumira kuPasi kuburikidza neimwe antenna. Ichi chiratidzo chinogona kubatwa zvakare neantenna yepasi uye kugadziriswa kuti ishandiswe.

Imwe yemabhenefiti makuru eiyo satellite kutapurirana kugona kwayo kukurira miganhu yenzvimbo uye daro yekukurukurirana kwepasi. Kusiyana nenetiweki dzepasi, dzinoshanda pamusoro petambo kana fiber optics, artificial satellites anogona kuvhara nzvimbo dzakakura dzejogi uye kusvika kumatunhu ari kure uko zvivakwa zvekufambiswa kwemashoko zvine mashoma kana kuti asipo. Izvi zvinoita kuti kutapurirana setiraiti kunyanyo batsira kumaruwa, nzvimbo dzemugungwa, kana munzvimbo ⁢mumakomo.

La tecnología satelital yakawedzera kufambira mberi uye yakaomeswa nekufamba kwemakore. Iwo ma satellite akashongedzerwa neakakwirira-simba rekutambira uye ekufambisa masisitimu, pamwe neanotungamira antenna anobvumira kutaurirana kwakanaka uye kwakavimbika. Pamusoro pezvo, kufambira mberi mune tekinoroji yekudzvanya data kwakabvumira huwandu hukuru hweruzivo kuti hufambiswe kuburikidza nemasetelliti, izvo zvakakonzera kukudziridzwa kwemasevhisi akadai seyepamusoro-tsanangudzo terevhizheni neinternet.

Muchidimbu, satellite transmission inzira yekutaurirana inoshandisa artificial satellite kutumira masaini, data uye ruzivo kuburikidza nemagetsi mafungu. Iyi tekinoroji inoita kuti zvikwanise kukurira kudzikamiswa kwenzvimbo uye kureba kwekutaurirana kwepasi, kusvika kunzvimbo dziri kure nekupa nharembozha, masevhisi eterevhizheni nezvimwe. Satellite tekinoroji yakashanduka uye yakawedzera kuomarara, ichigonesa kutaurirana kwakanaka uye kwakavimbika padanho repasi rose.

1. Nhanganyaya kune satellite transmissions

A satellite kutumira inoreva maitiro ekutumira data, odhiyo kana vhidhiyo masaini kuburikidza nesetiraiti kune inogamuchira paNyika. Rudzi urwu rwekutapurirana rwava chishandiso chakakosha mumaindasitiri mazhinji, akadai sezvekufambiswa kwemashoko, terevhizheni, neredhiyo. Satellite anoita seanodzokorora mudenga, achitora uye achitumirazve masaini kunzvimbo yakafara yenzvimbo yekuvhara.

Kushandiswa kwesatellite transmissions kune zvakawanda zvakanaka. Imwe yeiyo huru ndeye cobertura global zvavanopa. Satellite anogona kufambisa masaini chero kupi zvako pasirese, zvichiita kuti ive sarudzo yakasarudzika yekutepfenyura zviitiko zvepamhepo, semakonsati, mitambo yemitambo, kana makonferensi. hakuna kurukurirano dzepasi.

Iyo satellite yekufambisa maitiro yakakamurwa kuita matanho makuru maviri: kufambisa kwepamusoro uye kutapurirana pasi. Upstream transmission (Upstream transmission) zvinoreva kutumira masaini kubva pachiteshi chepasi kuenda kusatellite, nepo kutapurirana kwepasi kuchisanganisira kutumira masaini kubva kusatellite kune vanogamuchira paNyika. Pakati pematanho aya, masaini anochinjirwa kune chaiwo ma frequency uye modulated kuitira kutapurirana nemuchadenga. Pamusoro pezvo, masatellite anoshandisa akawanda antenna uye chiteshi kukwiridzira mhando yechiratidzo uye kuona kutapurirana kwakavimbika.

2. ⁢Mashandiro ezvekufambisa setiraiti

Una ‌ satellite kutumira Inharembozha system inoshandisa⁤ satellites ekugadzira kutumira uye kugamuchira odhiyo, vhidhiyo uye data masaini. Iyi mhando yetekinoroji inoshandiswa zvakanyanya munzvimbo dzinonetsa kubatanidza kwepasi kana kuti⁢ kudhura kuita. Satellite inoshanda senge vanodzokorora nzvimbo iyo inogamuchira chiratidzo chakatumirwa kubva kune imwe chiteshi chepasi uye ichichiendesa kune chimwe chiteshi chepasi pane imwe nzvimbo.

El mashandiro yekutumira setiraiti yakavakirwa pacheni yekukurukurirana inosanganisira matanho akasiyana. Chekutanga, masaini anotumirwa kubva kunzvimbo, senge terevhizheni kamera kana maikorofoni, kuburikidza ne ground station hasta un setiraiti. Kana yave muchadenga, setiraiti inokudza uye inotumirazve masaini kune imwe kana kupfuura kugamuchira zviteshi zvepasi inowanikwa munzvimbo dzakasiyana dze geographical.

Masatelliti anoshandiswa mukufambisa setiraiti akagadzirirwa kutenderedza Nyika mu⁢ a geostationary orbit, zvinoreva kuti Vanoramba vari munzvimbo yakagadzikana pane equator. Izvi zvinobvumira masignals kuti afambiswe neakawanda⁤ kushanda zvakanaka uye mhando, sezvo zviteshi zvepasi hazvifanirwe kugara zvichigadzirisa maitiro avo kuti zvigamuchire chiratidzo. Uyezve, ma satellites akashongedzerwa antenas izvo zvinovatendera kuti vagamuchire uye kufambisa masaini akawanda zvose, izvo zvinowedzera kugona kwako kutaurirana.

3. Zvishandiso uye zvakanakira zvekutumira setiraiti

Satellite transmission ⁤ zvinoreva kutumira masaini uye data kuburikidza nesatellite iri mu orbit kutenderera Pasi. Aya mafambisirwo anoshandiswa mumhando dzakasiyana siyana dzekushandisa, kubva kunharembozha kuenda kuterevhizheni neredhiyo. Imwe yemabhenefiti makuru ekutapurirana setiraiti kugona kwayo kusvika kunzvimbo dziri kure uko zvivakwa zvepasi zvakashomeka kana kuti zvisipo.

Imwe yeanonyanya kushandiswa ⁢zvekufambiswa kwesetiraiti ⁣ terevhizheni yesatelliti.⁢ Masaini eterevhizheni anogona kutapurwa kubva pachiteshi chepasi kuenda kune satiraiti uye ozotumirwazve kumadhishi esatellite mudzimba. Izvi zvinobvumira vanhu vari kumaruwa kana kunzvimbo dziri kure kuti vawane sarudzo dzakawanda dzemachaneli nezvirongwa. Pamusoro pezvo, satellite transmissions inopa mufananidzo wepamusoro uye mhando yeruzha pane yechinyakare masaini epasi, ayo anovandudza ruzivo rwekuona.

Kumwe kushandiswa kwakakosha kwekutapurirana setiraiti kutaurirana kwepasirese. Makambani nemasangano anoshandisa aya kutapurirana kutanga network network pasi rose. Satellite inobvumira kutapurirana kwezwi, data uye kunyange vhidhiyo mukati nguva chaiyo, iyo inofambisa-chaiyo-nguva kutaurirana pakati pemapazi akasiyana kana bhizinesi vanobatana vari munzvimbo dzakasiyana dzepasi. Izvi zvinonyanya kubatsira mumamiriro ekukurumidzira kana mumaindasitiri anoda kugara uye akachengeteka kutaurirana.

Muchidimbu, satellite transmissions inyanzvi uye ine simba tekinoroji inopa akasiyana maapplication uye mabhenefiti. Kubva pasatellite terevhizheni kusvika kukukurukurirana kwepasirese, kutapurirana uku kunogonesa kuwana ruzivo uye masevhisi munzvimbo dziri kure uko zvivakwa zvepasi zvakashomeka. Mukuwedzera, ivo vanopa mufananidzo wepamusoro uye ruzha rwemhando uye kufambisa chaiyo-nguva kutaurirana pasi rese.

4. Mhando dzakasiyana dzema satellite transmissions

A satellite kutumira inoreva kutaurirana kweodhiyo, vhidhiyo, kana data masiginecha anotumirwa kubva kune imwe nzvimbo nzvimbo kuburikidza nesatellite munzvimbo uye yozogamuchirwa kune imwe nzvimbo yakatarwa. Kune marudzi akasiyana e satellite kutumira iyo inoshandiswa mumaindasitiri akasiyana uye maapplication. Pazasi pane mamwe emhando dzinowanzo shandiswa setiraiti kutapurirana uye maitiro avo makuru:

Nhepfenyuro Yakananga Kumba (DTH): ⁢Rudzi urwu rwekutapurirana runonyanya kushandiswa muindasitiri yesatellite terevhizheni. Inobvumira vaoni kuti vagamuchire zviratidzo zveterevhizheni neredhiyo zvakananga mudzimba dzavo kuburikidza nesatiraiti dish. Kutumira kunoitwa kubva kune satellite kuenda kune inogamuchira terevhizheni kumba yemushandisi, pasina kudiwa kwemamwe tambo. Izvi zvinopa huwandu hukuru hwemachaneli uye kufukidzwa kwakafara.

Uplink uye downlink: Rudzi urwu rwekufambisa runoshandiswa mukutaurirana setiraiti kutumira nekugamuchira masaini. Uplink zvinoreva kutumira masaini kubva pachiteshi chepasi kuenda kune satellite iri muchadenga. Downlink, kune rumwe rutivi, inoreva kugamuchirwa kwezviratidzo kubva kune satellite kuenda kune imwe nzvimbo yepasi. Rudzi urwu rwekufambisa runoshandiswa mumashandisirwo akaita senharembozha, kutaurirana kwemauto, uye kutepfenyura kwepasirese kweterevhizheni.

5. Mafungiro akakosha pakusarudza nhepfenyuro yesatellite

Satellite transmission ​ i⁤ tekinoroji yekutaurirana⁢ inoshandisa masatelliti ekugadzira kutumira maodhiyo, vhidhiyo kana masiginecha edata kune imwe nzvimbo paPasi. Iyi tekinoroji yakasandura nzira yatinotaurirana uye kuwana ruzivo kutenderera pasirese. Pakusarudza satellite kutumira, pane akati wandei akakosha mafungidziro anofanirwa kuverengerwa kuve nechokwadi chekubatana kwakavimbika uye mhando yepamusoro.

Chikuru chekutanga kufunga ndeyekuona chinangwa chekufambisa setiraiti. Uri kutsvaga kufambisa zviitiko zvepamoyo, kutaurirana nemapazi ari kure, kana kuwana yepamusoro-mhando multimedia zvemukati? Zvichienderana nezvido zvako, iwe uchafanirwa kusarudza yakakodzera setiraiti yekutumira mhando. Kune unidirectional transmissions inongobvumira kugamuchirwa kwemashoko uye bidirectional transmissions inobvumira zvose kugamuchira uye kutumira data.

Otro factor importante Kufunga nezve kuvharwa ⁤uye⁢ kugona kwesetiraiti. Sezvo masathelaiti ari muchadenga, zvakakosha kuti uve nechokwadi chekuti pane mukana wakakwana munzvimbo yako. Pamusoro pezvo, iwe unofanirwa kuongorora kugona kwesetiraiti kubata huwandu hwe data raunoda kufambisa kana kugamuchira. Izvi zvinonyanya kukosha kana ukaronga kushandisa satellite kutapurirana nhepfenyuro mhenyu kana yebhizinesi maapplication anoda yakakwira bandwidth. Kuita tsvakiridzo yakakwana pane satellite sevhisi vanopa uye iripo zvivakwa zvakakosha pakuita sarudzo yakanaka.

Muchidimbu, pakusarudza a satellite kutumira, zvakakosha kufunga nezvechinangwa chekufambisa, kuvharika uye kugona kwesetiraiti. Kuongorora aya makiyi ekufunga kuchakubatsira iwe kusarudza yakanyanya⁢ sarudzo⁢ yezvido zvako. Rangarira kuti hadzisi dzese nhepfenyuro dzesatellite dzakagadzirwa zvakaenzana, saka ita tsvakiridzo yako uye enzanisa sarudzo dziripo. mumusika nokuda kwesevhisi yakanakisa⁢ inogoneka. ​ Yakavimbika, yemhando yepamusoro yekufambisa setiraiti inogona kupa— kubatana kwepasi rose⁢uye kunoshanda ⁤kutaurirana⁣ nguva dzese.

6. Kuitwa kweiyo satellite transmission inoshanda

La zvinoreva nzira yekumisa nekuchengetedza network yekukurukurirana kuburikidza nekushandiswa kwemasatelliti ekugadzira muEarth orbit. Kuburikidza nehurongwa uhu, ruzivo runogona kufambiswa nekukurumidza uye nekuvimbika kunzvimbo dzakasiyana pasi rose. Nekudaro, kuti uwane kutapurirana kwakanaka, zvinodikanwa kushandisa nzira dzakasiyana uye funga zvakati wandei.

Imwe huru⁢ aspectos a considerar muri mu kusarudzwa kwakakodzera kwemafambisirwo ekufambisa. Kune akasiyana⁢ frequency mabhendi ⁤ anoshandiswa setiraiti kutapurirana, senge C, Ku uye Ka mabhendi. Imwe neimwe yadzo ine zvakanakira nezvayakaipira, senge mhepo yekupinza simba, kupindira, uye bandwidth kuwanikwa. ⁤Zvakakosha kusarudza rakakodzera frequency bhendi zvichibva pane zvinodiwa⁤ zvekufambisa.

Zvimwe factor crucial mune inoshanda setiraiti kutapurirana ndiyo ⁢ kushandiswa kwe data compression matekiniki. Nekuda kweiyo bandwidth mipimo yesatellite masisitimu, zvakakosha kudzikisa saizi yedata pasina kukanganisa kutapurirana kunaka. Kudzvanywa kwedata kunoita kuti zvikwanise kuderedza huwandu hweruzivo rwunofambiswa, zvichikonzera a kushanda zvakanaka maererano nekumhanya uye kushandiswa kweiyo iripo bandwidth. Kune akasiyana compression algorithms aripo, akadai seMPEG neJPEG, anogona kushandiswa zvichienderana nerudzi rweruzivo rwunozofambiswa.

7. Kuchengetedza uye kuchengetedzwa kwemasaititi ekutumira masisitimu

Iyo satellite kutumira inzira ⁢yekutaura inoshandisa⁢ artificial satellites kutumira uye kugashira odhiyo, vhidhiyo uye data masaini pamadaro marefu. The satellite transmission systems Izvo zvinoshandiswa zvakanyanya kumaruwa uye munzvimbo dziri kure uko kuwana kune terrestrial kutaurirana masevhisi hazvigoneke. Masisitimu aya anoshandiswawo kufambisa masaini eterevhizheni neredhiyo munyika nepasirese.

El kugadzirisa ye satellite transmission systems Zvakakosha kuvimbisa kushanda kwakakwana. Izvi zvinosanganisira kuita a monitoreo constante yemasathelaiti mu orbit, itisa nguva nenguva bvunzo dzekuita, uye ita kugadzirisa michina kana kutsiva pazvinenge zvichidikanwa. Zvakare, zvakakosha kuita actualizaciones de software kuchengetedza kuchengetedzwa kwemasisitimu uye kuvadzivirira kubva kune zvinogona kutyisidzira cyber.

Iyo kuchengetedzeka ye satellite transmission systems Hunokoshawo zvikuru. Kuvimbisa kuvanzika kwekutaurirana, nzira dzekuchengetedza dzinoshandiswa. zvakavanzika izvo zvinodzivirira data rinotapurirwa kubva pakuedza kunobvira pakubatwa nevechitatu mapato asina mvumo. Mukuwedzera, vanoita authentication protocols kuti uone kuzivikanwa kwevashandisi uye kudzivirira kupinda kusina mvumo kune masisitimu. Yenguva dzose backups yedata yakachengetwa pamasetelliti inogadzirwawo kudzivirira kubva pakurasikirwa kana kusashanda zvakanaka kwemidziyo.