Kugabanganya Umuyoboro wa Sisitemu ya Beidou

Sisitemu ya Beidou Navigation Satellite (BDS, izwi kandi nka COMPASS, igishinwa gisobanura: BeiDou) ni uburyo bwogukoresha icyogajuru ku isi bwigenga bwakozwe n'Ubushinwa. Nuburyo bwa gatatu bukuze bwogukoresha icyogajuru gikurikira GPS na GLONASS.

Igisekuru cya Beidou I.

Kugabanganya imirongo ya Beidou Igisekuru cya I cyane cyane harimo imirongo ya Radio Determination Satellite Service (RDSS), igabanijwemo ibice bya uplink na downlink:
a) Uplink Band: Iri tsinda rikoreshwa mubikoresho byabakoresha kugirango bohereze ibimenyetso kuri satelite, hamwe numurongo wa 1610MHz kugeza 1626.5MHz, bya L-band. Igishushanyo mbonera cyemerera ibikoresho byubutaka kohereza ibyifuzo hamwe nandi makuru ajyanye na satelite.
b) Downlink Band: Iri tsinda rikoreshwa kuri satelite yohereza ibimenyetso kubikoresho byabakoresha, hamwe numurongo wa 2483.5MHz kugeza kuri 2500MHz, ya S-band. Igishushanyo cya bande gifasha satelite gutanga amakuru yo kugendana, amakuru ahagarara, nibindi bikorwa bya ngombwa kubikoresho byubutaka.
Birashimishije kubona itangwa ryumurongo wa Beidou Igisekuru cya I nashizweho mbere na mbere kugirango ryuzuze ibisabwa bya tekiniki hamwe nibisabwa neza muri kiriya gihe. Hamwe niterambere ryikoranabuhanga hamwe no gukomeza kuzamura sisitemu ya Beidou, ibisekuru byakurikiyeho, harimo na Beidou Igisekuru cya II na III, bafashe imirongo itandukanye hamwe nuburyo bwo guhindura ibimenyetso kugirango batange ibisobanuro bihanitse kandi byizewe byo kugendana na serivisi.

Igisekuru cya Beidou II

Igisekuru cya Beidou II, sisitemu yo mu gisekuru cya kabiri cya sisitemu ya Beidou Navigation Satellite Sisitemu (BDS), ni uburyo bwo kugera ku isi ku isi hose bwifashishwa mu bwigenge bwakozwe n'Ubushinwa. Kubaka ku musingi wa Beidou Igisekuru cya I, igamije gutanga ibisobanuro bihanitse, byizewe cyane, umwanya, hamwe nigihe (PNT) kubakoresha kwisi yose. Sisitemu igizwe n'ibice bitatu: umwanya, ubutaka, n'umukoresha. Igice cyumwanya kirimo satelite nyinshi yo kugendagenda, igice cyubutaka gikubiyemo sitasiyo yo kugenzura, sitasiyo ikurikirana, hamwe na sitasiyo ya uplink, mugihe igice cyabakoresha kigizwe nibikoresho bitandukanye byakira.
Itangwa ryumurongo wa Beidou Igisekuru cya II gikubiyemo cyane cyane imirongo itatu: B1, B2, na B3, hamwe nibipimo byihariye nkibi bikurikira:
a) B1 Band: Umuvuduko wa 1561.098MHz ± 2.046MHz, ukoreshwa cyane cyane mubikorwa bya gisivili no kugendana.
b) B2 Bande: Umuvuduko wa 1207.52MHz ± 2.046MHz, nawo ukoreshwa cyane cyane mubikorwa bya gisivili, ukorana nitsinda rya B1 kugirango utange ubushobozi bwimyanya ibiri kugirango uhindurwe neza.
c) B3 Band: Umuyoboro wa 1268.52MHz ± 10.23MHz, ukoreshwa cyane cyane mubikorwa bya gisirikare, utanga imyanya ihanitse kandi ifite ubushobozi bwo kurwanya kwivanga.

Igisekuru cya Beidou III

Igisekuru cya gatatu cya Beidou Navigation Sisitemu, kizwi kandi ku izina rya Beidou-3 Global Navigation Satellite Sisitemu, ni uburyo bwogukwirakwiza icyogajuru ku isi hose bwigenga kandi bwubatswe n'Ubushinwa. Yageze ku gusimbuka kuva mu karere kugera ku isi hose, itanga ibisobanuro bihanitse, byizewe cyane, umwanya wo kugendana, hamwe na serivisi ku gihe ku bakoresha ku isi. Beidou-3 itanga ibimenyetso byinshi bya serivise ifunguye hirya ya B1, B2, na B3, harimo B1I, B1C, B2a, B2b, na B3I. Itangwa ryinshuro zibi bimenyetso nibi bikurikira:
a) B1 Band: B1I: ​​Centre inshuro ya 1561.098MHz ± 2.046MHz, ikimenyetso cyibanze gikoreshwa cyane mubikoresho bitandukanye byo kugenda; B1C.
b) B2 Band: B2a: Centre inshuro 1176.450MHz ± 10.23MHz, nacyo kimenyetso cyibanze gishyigikira satelite ya Beidou-3 M / I kandi iraboneka kuri terefone nshya, yo mu rwego rwo hejuru; B2b: Centre inshuro ya 1207.140MHz ± 10.23MHz, ishyigikira satelite ya Beidou-3 M / I ariko iraboneka gusa kuri terefone igendanwa yo mu rwego rwo hejuru.
c) B3 Band: B3I: Centre frequency ya 1268.520MHz ± 10.23MHz, ishyigikiwe na satelite yose muri Beidou Generation II na III, hamwe ninkunga nziza itangwa nuburyo bwinshi, modules nyinshi.

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