Mawonekedwe
● Coaxial Adapter ya RF Inputs
● Kupindula Kwambiri
● Kuletsa Kusokoneza Kwambiri
● Kusamutsidwa Kwambiri
● Dual Circular Polarized
● Kukula Kwakung'ono
Zofotokozera
RM-DCPHA105145-20 | ||
Ma parameters | Chitsanzo | Mayunitsi |
Nthawi zambiri | 10.5-14.5 | GHz |
Kupindula | 20 Mtundu. | dBi |
Chithunzi cha VSWR | <1.5 Mtundu. | |
Polarization | Awiri-Zozungulira-polarized | |
AR | 1.5 | dB |
Cross polarization | >30 | dB |
Port Isolation | >30 | dB |
Kukula | 209.8 * 115.2 * 109.2 | mm |
Kulemera | 1.34 | kg |
Kufalikira kwa mawonekedwe a ultrashort wave ndi microwave
Mafunde a Ultrashort, makamaka ma microwave, amakhala ndi ma frequency apamwamba komanso mafunde afupikitsa, ndipo mafunde awo apansi amachepa msanga, kotero sangathe kudalira mafunde apansi kuti afalitse mtunda wautali.
Mafunde a Ultrashort, makamaka ma microwave, amafalitsidwa makamaka ndi mafunde amlengalenga.Mwachidule, mafunde amlengalenga ndi mafunde omwe amafalikira molunjika mkati mwa danga.Mwachiwonekere, chifukwa cha kupindika kwa dziko lapansi, pali malire a mzere wowonera-mtunda Rmax pakufalikira kwa mafunde a mumlengalenga.Dera lomwe lili pamtunda wakutali kwambiri wowona molunjika nthawi zambiri limatchedwa malo ounikira;dera lopitirira malire a mtunda wowona-wolunjika Rmax amatchedwa dera lamthunzi.Sizikunena kuti mukamagwiritsa ntchito ultrashort wave ndi microwave polumikizana, malo olandirira ayenera kugwera mkati mwa malire a mzere wakuwona mtunda wa Rmax wa mlongoti wotumizira.
Kukhudzidwa ndi utali wopindika wa dziko lapansi, ubale wapakati pa mzere wa malire-owona mtunda wa Rmax ndi kutalika kwa HT ndi HR wa mlongoti wotumizira ndikulandira mlongoti ndi: Rmax=3.57{√HT (m) +√HR ( m)} (km)
Poganizira momwe mlengalenga umasinthira pa mafunde a wailesi, mtunda wocheperako uyenera kuwongoleredwa kukhala Rmax = 4.12{√HT (m) +√HR (m)} (km) Popeza kuchuluka kwa mafunde a electromagnetic ndikokwanira. otsika kuposa mafunde a kuwala, kufalitsa kothandiza kwa mafunde a wailesi Kutalikirana kwachindunji Re ndi pafupifupi 70% ya malire owonera mtunda wa Rmax, ndiko kuti, Re = 0.7 Rmax.
Mwachitsanzo, HT ndi HR ndi 49 m ndi 1.7 m motsatana, ndiye mtunda wowoneka bwino wa mzere ndi Re = 24 km.
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