Butler matrix imhando ye network ye beamforming inoshandiswa mu antenna arrays uye phased array systems. Mabasa ayo makuru ndeaya:
● Kutungamira kwedanda - Inogona kutungamira danda reantenna kuenda kumakona akasiyana nekuchinja chiteshi chekupinda. Izvi zvinobvumira sisitimu yeantenna kuskena danda rayo nemagetsi pasina kufambisa maantenna nemuviri.
● Kuumbwa kwematanda akawanda - Inogona kupa antenna array nenzira inoita kuti matanda akawanda abude panguva imwe chete, rimwe nerimwe richinongedzera kune rimwe divi. Izvi zvinowedzera kufukidzwa uye kunzwa.
● Kupatsanurana kwedanda - Kunopatsanura chiratidzo chekupinda muzvikamu zvakawanda zvekubuda zvine hukama hwakati wandei. Izvi zvinogonesa antenna array yakabatana kugadzira mirairo yekuraira.
● Kubatanidza danda - Basa rekupatsanura danda. Rinobatanidza masaini kubva kuzvinhu zvakawanda zveantenna kuita chinhu chimwe chete chinoburitsa danda rine purofiti yakakura.
Matrix yeButler inoita mabasa aya kuburikidza nechimiro chayo chema "hybrid couplers" uye "fixed phase shifters" akarongwa mu "matrix layout". Zvimwe zvinhu zvakakosha:
● Kuchinja kwechikamu pakati pemapombi ekubudisa ari pedyo kunowanzova madhigirii makumi mapfumbamwe (kota yewavelength).
● Huwandu hwematanda hunoganhurirwa nehuwandu hwemaports (N x N Butler matrix inogadzira matanda eN).
● Nzira dzemaburi dzinotsanangurwa ne geometry yematrix uye phasing.
● Kurasikirwa kushoma, kushanda pasina kupindirana, uye kushanda kwekudzoka.
Saka muchidimbu, basa guru reButler matrix nderekupa antenna array nenzira inobvumira dynamic beamforming, beam steering, uye multi-beam capabilities kuburikidza neelectronic control isina zvikamu zvinofamba. Iyi inyanzvi inogonesa electronically scanned arrays uye phased array radar.
Concept Microwave inopa matrix yeButler pasi rose, ichitsigira kuyedzwa kweMIMO kwematanho akawanda eantenna anosvika 8+8, pamusoro pehuwandu hwakawanda hwema frequency.
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Nguva yekutumira: Gunyana-20-2023