
| Alakai-mw | Introduction to Four Element Spiral Antenna Array |
Ke hoʻolauna nei ʻo Leader microwave tech.,(leader-mw) ka mea hou loa i ka ʻenehana antenna - hoʻopaʻa ʻia i nā ʻano stereo antenna helical helical. Hoʻolālā ʻia kēia ʻano ʻokiʻoki e hoʻololi i ke ʻano o kā mākou ʻike a hoʻohana ʻana i nā ʻōnaehana antenna, e hāʻawi ana i ka hana like ʻole a me ka versatility i kahi hoʻolālā paʻa a maikaʻi.
ʻO ka puʻuwai o kēia ʻano kipi ʻo ia ka mea helical antenna, i hoʻopili pono ʻia i loko o ka hoʻolālā papa tapered. Aia ka hale i ka ʻili luna a me nā ʻaoʻao he nui, ua pili kēlā me kēia me ka lihi o ka ʻili luna. Hoʻopili pū ʻia nā ʻaoʻao o nā ʻaoʻao e pili ana, e hana ana i kahi kahua paʻa ʻole a ikaika no nā mea antenna.
ʻO ka hoʻolālā kūʻokoʻa o ka hoʻolālā papa tapered e hiki ai i nā mea helical antenna ke kau ʻia ma luna a me nā ʻaoʻao, e hoʻonui i ka uhi ʻana a me ka hana. ʻO kēia hoʻonohonoho e hiki ai i ka array ke hoʻokuʻu i nā kaola he nui i ke ʻano stereoscopic, ma laila e hoʻonui ai i ka hiki ke hoʻokipa a me ka hoʻouna ʻana o ka ʻōnaehana antenna.
ʻO kekahi o nā hiʻohiʻona koʻikoʻi o ka ʻōnaehana tapered platform ʻo ia ke ʻano polygonal maʻamau o ka ʻili o luna, e hoʻomaikaʻi hou i ka hāʻawi like ʻana o nā mea antenna a hoʻopaʻa i ka hana holoʻokoʻa o ka array. ʻO kēia ka mea e hōʻoia i ka array hiki ke hāʻawi i ka ikaika hōʻailona kūpaʻa a hilinaʻi ma waena o nā ʻano noi a me nā kaiapuni.
| Alakai-mw | Hōʻike |
ANT051 240MHz~270MHz
| Laulā pinepine: | 240MHz~270MHz |
| Loaʻa, ʻAno: | ≥15dBi |
| Polarization: | Polarization circular (hiki ke hoʻololi ʻia ka huli ʻana hema a me ka ʻākau) |
| 3dB Ka laulaʻa kukui, E-Plane, Min (Deg.): | E_3dB:≥20 |
| 3dB Ka laulaʻa kukui, H-Plane, Min (Deg.): | H_3dB:≥20 |
| VSWR: | ≤2: 1 |
| Paʻa ʻole: | 50 OHMS |
| Nā mea hoʻohui awa: | N-50K |
| Kaulana Mahana Hana: | -40˚C-- +85˚C |
| kaumaha | 50 kg |
| kala i luna: | Grenn |
| Outline: | 154×52×45mm |
ʻŌlelo:
ʻO ka helu mana no ka ukana vswr ʻoi aku ka maikaʻi ma mua o 1.20:1
| Alakai-mw | Nā Kūlana Kaiapuni |
| Hana Hana | -30ºC~+60ºC |
| Ka Mahana Waihona | -50ºC~+85ºC |
| Haʻalulu | 25gRMS (15 degere 2KHz) hoʻomanawanui, 1 hola i kēlā me kēia axis |
| Ka haʻahaʻa | 100% RH ma 35ºc, 95%RH ma 40ºc |
| Haʻalulu | 20G no 11msec hapalua hawewe, 3 axis ma na aoao elua |
| Alakai-mw | ʻIkepili Mechanical |
| 'ikamu | mea waiwai | ʻilikai |
| lamina tecti | epoxy aniani laminated pepa | deoil |
| Ke poʻo kau ʻana 2 | Kookoo lole aniani epoxy | deoil |
| Noho kau kookoo kākoʻo | Kookoo lole aniani epoxy | deoil |
| Poka wili | Nylon | ʻOke kalaiwa kalaiwa |
| ʻO ka pā ma lalo | 5A06 alumini pale-ʻeleʻele | ʻOke kalaiwa kalaiwa |
| Kiko hoʻokomo ʻana i nā antenna spiral | 5A06 alumini pale-ʻeleʻele | ʻOke kalaiwa kalaiwa |
| Hōʻikeʻike (650) | 5A06 alumini pale-ʻeleʻele | ʻOke kalaiwa kalaiwa |
| kolamu paʻa 1 (1.3X0.8) | Paipu lole aniani epoxy | deoil |
| ANT8.2311.1105 Helix | keleawe | hoʻopaʻapaʻa |
| Rohs | hoʻokō | |
| Kaumaha | 50 kg | |
| Hoʻopili | pahu pahu pahu pahu (hiki ke hoʻololi ʻia) | |
Ke kaha kiʻi:
Nā Ana a pau i mm
Hoʻomanawanui Outline ± 0.5(0.02)
Hoʻomanawanui ± 0.2(0.008)
Nā mea hoʻohui a pau: N-Wahine
| Alakai-mw | ʻIkepili hoʻāʻo |