Yagi antenna imwe yeantenna inonyanya kufarirwa mukufambiswa kweredhiyo. Iyo imhando yeanotungamira antenna uye ine mukurumbira nekuda kwekuwana kwayo kukuru. Iri peji rinosuma iyo Yagi antenna muchidimbu mune maficha ayo, mashandisirwo, uye zvakanakira. Ngatirambei tichiongorora!
Kugovera Kuchengeta!
gutsikana
Zvese nezve Yagi Antenna
Yagi antenna inoshandiswa zvakanyanya mumunda wekutepfenyura redhiyo. Chii chatinofanira kuziva nezveYagi Antenna? Ngativei nenzwisiso pfupi yeYagi Antenna kutanga.
tsananguro
A Yagi antenna imhando yeantenna array, iyo ine maviri kana anopfuura anoenderana resonant antenna zvinhu. Kuti ugadzire antenna yeYagi, inowanzoda chinhu chimwe chinotyairwa chakabatana neinotepfenyura senge FM radio transmitter kuburikidza netambo yekufambisa uye mamwe "parasitic elements" pasina chinongedzo chemagetsi. Uye kazhinji inosanganisira chiratidziro uye chero nhamba yevatungamiriri.
Applications
Sezvo inoratidzwa nekugona kwekuwana yakakwira uye kutungamira, inonyanya kukodzera kune-point-to-point transmission, TV transmission, uye yakaderera-simba redhiyo masaini kutapurirana. Semuenzaniso, kune vatepfenyuri veFM, inogona kushandiswa mukufambisa kwemasaini eFM kubva kuFM studio kuenda kuFM radio station. Inogona kuvandudza zvakanyanya masaini eFM. Heino imwe yeakanakisa kutengesa UHF Yagi TV antenna yekutyaira-muchechi:
Zvakanakisa 12 Elements UHF Yagi TV Antenna - More
uremu
Sekuvakwa kwayo kwakapfava, haidi zvinhu zvakawandisa kuti ivake, iyo inouya nehuremu uye yakaderera mhepo mutoro. Zvinoreva kuti ine simba rakanakisa rekudzivirira mhepo.
mutengo
Iyo Yagi antenna ingangove imwe yeakanyanya mutengo-kuita antenna. Pasina mutengo wakawandisa, unogona kutenga antenna yeYagi nekuita kukuru. Kunyangwe iwe uchida kuvaka yeanotarisisa antenna array, iwe unongoda kusanganisa mana Yagi antenna pamwechete.
Gain
Kune Yagi antenna, kugona kwekuvandudza masaini eredhiyo kunoenderana nehuwandu hwezvinhu. Iyo yakawanda zvinhu zvainazvo, zviri nani zvinogona kuvandudza masaini. Kuwana kweYagi antenna kunogona kusvika ku20dBi, kunyanya kune yakaderera-simba redhiyo kufambisa uye point-to-point kutapurirana.
kugadzwa
Nekuda kwechimiro chayo chakareruka, munhu wese anogona kuisa iyo Yagi antenna nyore uye kutakura zviri nyore. Panguva imwecheteyo, inogona zvakare kusanganiswa kuita omnidirectional antenna array chero nguva zvichienderana nezvinodiwa, izvo zvinonyanya kukodzera kune nyanzvi dzeFM nhepfenyuro dzine zvakaoma uye zvakasiyana zvinodiwa.
Mibvunzo Inonyanya Kubvunzwa
1. Q: Yakareba Sei Iyo Inofambiswa Element yeYagi Antenna?
A: Chinhu chinofambiswa chakaenzana ne 1/2 wavelength.
Hurefu hwehurefu hwechinhu chinofambiswa cheYagi antenna ndeye 1/2 wavelength. Saka kana iwe ukashandisa iyo Yagi Antenna mune yepamusoro frequency renji, zvinhu zvipfupi.
2. Q: Yagi Antenna Inoshanda Sei?
A: Yagi antenna inoshanda kuburikidza nekudyidzana kwezvikamu zvina zvakakosha.
- Driven Element - Iyo poindi iyo Yagi antenna yakabatana neiyo feed line.
- Director -Inoshandiswa kupa antenna simba rekutungamira uye kuwana.
- mutsetse -Iyo musana we antenna uye inoshandiswa kubata vatungamiriri uye varatidziri uye kubatanidza kune inofambiswa chinhu.
- Reflector -Inoshandiswa kuramba masaini kunze kwehuwandu hwayo uye kuwedzera zviri mukati.
3. Q: Ndeipi Range yeYagi antenna?
A: Inoshanda muhuwandu hwehuwandu hwe3 - 3000 MHz.
Yagi antennas inogona kushandiswa mu frequency renji kubva pa3 - 3000 MHz, ine yakanakisa inoshanda renji pazasi ingangoita 1500 MHz.
4. Q: Yagi antenna yakareba yakakwira yakanakira dhijitari TV here?
A: Mhinduro ndeiyi.
Asi iwe unofanirwa kucherechedza kuti antenna yeYagi yakaoma kuwana yakakwira apo iine bandwidth yakakwana yekuvhara yakakwana UHF chiteshi. Iyo frequency renji yeYagi antenna yakatetepa.
mhedziso
Iine Yagi antenna, zvisinei kuti uri kuronga kuishandisa mu studio transmitter link system kana kupa FM/TV nhepfenyuro masevhisi kuruzhinji nayo, haufanirwe kunetseka nezve mhando yemasaini. Kana iwe uchida kutenga Yagi antenna, bata FMUSER izvozvi!
Uyewo Verenga