1.8m SNG kav hlau txais xov tuaj yeem ua tiav qhov tiag -lub sijhawm sib txuas lus nrog satellite tsuas yog nyob rau hauv lub xeev zoo li qub. Nrog rau cov qauv siv hluav taws xob, cov qauv yooj yim, tsim qauv tsim nyog thiab kev ntsuas cua siab siab, lub kav hlau txais xov qhia nws qhov zoo hauv kev khiav ceev thiab siab khiav ceev. Yog li ntawd, nws tuaj yeem xa cov ntaub ntawv tiag - lub sijhawm thiab muab kev pabcuam kev sib txuas lus zoo rau cov neeg siv khoom.
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ELECTRICAL SPECIFICATION |
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Kav hlau txais xov Aperture |
1.8m |
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Ua haujlwm zaus |
Ku-Band 2-Port Linear |
C-Band 2-Port Linear |
C-Band 2-Port Circular |
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TX |
10.95 ~ 12.75 |
5.85 ~ 6.725 |
5.85 ~ 6.425 | |
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RX |
10.95 ~ 12.75 |
3.4 ~ 4.2 |
3.625 ~ 4.2 | |
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Tau txais |
TX |
Tx: Ntau dua lossis sib npaug rau 46.5 |
Tx: Ntau dua lossis sib npaug rau 39.2 |
Tx: Ntau dua lossis sib npaug rau 39 |
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RX |
Rx: Ntau dua lossis sib npaug rau 45 |
Rx: Ntau dua lossis sib npaug rau 35.3 |
Rx: Ntau dua lossis sib npaug rau 35.2 | |
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Hla Polarization |
Ntau dua lossis sib npaug li 35dB |
Ntau dua lossis sib npaug li 30dB |
Tx Ntau dua lossis sib npaug rau 18.3; Rx Ntau dua lossis sib npaug rau 15.3 | |
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Pub Interface |
WR-75 |
Tx: CPR137G; Rx: CPR229G | ||
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VSWR |
Tsawg dua lossis sib npaug li 1.25: 1 |
Tsawg dua lossis sib npaug rau 1.3: 1 |
Tsawg dua lossis sib npaug rau 1.3: 1 | |
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TX/RX Isolation |
Tx 85 dB; Rx 40 dB |
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Sidelobe |
Thawj Sab Lobe Qib Tsawg dua lossis sib npaug rau -14dB |
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Tshooj |
29-25 lg(θ) dBi 1℃Tsawg dua lossis sib npaug rau θ Tsawg dua lossis sib npaug li 20 degree -3.5dBi 20℃＜θ Tsawg dua lossis sib npaug 26.3 degree 32-25 lg(θ) dBi 26.3℃＜θ Tsawg dua lossis sib npaug li 48 degree -10dBi 48℃＜θ |
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Txoj Kev Aim Satellite |
Beacon los yog DVB |
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Nta:
● Ib qho - qhov tseem ceeb tsis siv neeg satellite taug qab thiab peb - qag txuas nta nrawm nrawm, sau thiab satellite taug qab; lub sijhawm taug qab yog tsawg dua 3 feeb; tus tsis yog- tus neeg ua haujlwm tshaj lij tuaj yeem paub cov txheej txheem sai sai;
● Nrog cov qauv tsim qauv, zoo -zoo li, me me, thiab lub teeb yuag, tag nrho cov khoom siv hluav taws xob tau muab tso rau hauv cov khoom siv hluav taws xob tom qab lub kav hlau txais xov; qhov kev sib txuas ntawm sab nraud yog txo qis heev;
● Nws yog sib xws nrog ntau lub zog thiab loj amplifier; kev sib koom ua ke ntawm cov khoom siv hluav taws xob thiab kev tswj xyuas ua rau lub cev yooj yim dua;
● Lub azimuth thiab elevation txais cov txheej txheem tshem tawm kev tshem tawm siab heev; tus kav hlau txais xov muaj qhov tseeb taw tes; nws polarization txais yuav cov kauj ruam tswj, txhim kho cov polarization tswj qhov tseeb; tus phooj ywg tib neeg -computer interface;
● Khaws qhov kev saib xyuas interface thiab software upgrade interface kom paub txog kev kho dua tshiab hauv computer software;
● Manually kho lub azimuth thiab pitching polarization kom paub txog phau ntawv satellite nrhiav.
Daim ntawv thov:
● Nws tau siv dav hauv kev sib txuas lus, nyiaj txiag, tsev kho mob raws li qhov xwm txheej ceev.
● Nws kuj tuaj yeem siv rau kev ua haujlwm xwm txheej ceev, raws li 1.8m SNG kav hlau txais xov tuaj yeem nruab nrog tsheb.
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