Momwe Mungapezere Ma frequency Osagwiritsidwa Ntchito a FM Radio Transmitters?

 

Mawayilesi a FM ndi imodzi mwazosavuta komanso zotsika mtengo kwambiri zomvera nyimbo zapa foni yanu yam'manja. Koma kwa rookie, zitha kukhala zovuta kupeza ma frequency opanda zosokoneza. Ngati mukuvutikira kupeza ma frequency osagwiritsidwa ntchito a FM, kugawana uku kudzakuthandizani.

 

 

Zoyenera
 

Mwasankha ma frequency a FM Padziko Lonse

Mawayilesi a FM Radio Frequencies

Momwe Mungapezere Mafupipafupi Opezeka

Kutsiliza

Q&A

 

 

Gulu Lotsatsa la FM Losankha Padziko Lonse Lapansi
 

Popeza magulu owulutsa ma FM omwe amagwiritsidwa ntchito padziko lonse lapansi ali mkati mwa VHF, ndiye 30 ~ 300MHz, gulu lowulutsa ma FM limatchedwanso VHF FM frequency band. Pakadali pano, mayiko padziko lonse lapansi amagwiritsa ntchito magulu atatu otsatirawa a VHF FM:

 

  • 87.5-108.0 MHz - Ili ndiye gulu lowulutsa kwambiri la VHF FM padziko lonse lapansi, chifukwa chake limadziwikanso kuti "standard" FM wailesi gulu.

 

  • 76.0-95.0 MHz - Japan ikugwiritsa ntchito gulu lowulutsa ili la FM.

 

  • 65.8-74.0 MHz - Gulu la VHF FM ili limatchedwa gulu la OIRT. Gulu loulutsa ili la FM limagwiritsidwa ntchito kwambiri ndi mayiko ena ku Eastern Europe. Koma tsopano mayikowa asintha kugwiritsa ntchito "standard" FM wailesi gulu 87.5 - 108 MHz. Ndi mayiko ochepa okha omwe atsala omwe akugwiritsabe ntchito gulu la OIRT.

 

Chifukwa chake, musanapeze ma frequency a FM, muyenera kutsimikizira ma frequency ovomerezeka a FM m'dziko lanu.

 

 

Kodi ma FM Radio Stations Frequencies ndi ati?
 

Malamulo oyika mawayilesi a wayilesi ya FM amasiyana m'maiko. M'mayiko ena, mawayilesi a FM amakhala ndi ma frequency otalikirapo, omwe mwina chifukwa chazovuta zaukadaulo, koma amatha kupewa kusokonezedwa ndi ma wayilesi omwe amayambitsidwa ndi ma wayilesi awiri omwe ali ndi ma frequency ofanana. Mwachitsanzo, ku United States, kuwulutsa kwa malonda a FM kumapatsidwa bandwidth ya 0.2 MHz, ndipo maiko ena amagawira bandwidth yowulutsa ya FM ku 0.1 MHz. 

 

Nthawi zambiri, pofuna kuchepetsa kusokoneza kwa ma siginecha pakati pa ma frequency band, ma wayilesi awiri okhala ndi malo ofanana adzagwiritsa ntchito ma frequency osachepera 0.5 MHz popanda wina ndi mnzake.

 

 

Kodi Mungapeze Bwanji Mafupipafupi Amene Angagwiritsidwe Ntchito?
 

Kuchuluka komwe mungagwiritse ntchito kumadalira komwe muli. Pali njira ziwiri zopezera mafupipafupi omwe angagwiritsidwe ntchito. Njira yoyamba ndikuyesa ma frequency onse otseguka a FM. Njira yachiwiri ndiyo kufufuza zinthu pa Intaneti kapena kufunsa dipatimenti yoona za mafoni.

 

  1. Yesani ma frequency onse otsegula a FM

Izi zimafuna kuti musinthe ma frequency a wayilesi ndi wailesi ya FM. Mukatsimikizira kuti ndi ma frequency ati omwe ali otseguka mdera lanu, mutha kuyesa ma frequency a FM aliwonse.

  

Njira iyi imabwera ndi zabwino zina:

 

  • Momwe mungayesere pafupipafupi ma FM otseguka, mwina mutha kudziwa ma frequency osiyanasiyana osagwiritsidwa ntchito a FM.

 

  • Mutha kudziwa ma frequency olondola pomwe wailesi imatha kutulutsa mawu abwino kwambiri.

 

Ngati muli ku United States, mutha kuyamba pa 88.1MHz, kenako 88.3MHz, 88.5MHz, ndi zina zotero. Ngati mupeza kuti wailesi imatha kutulutsa mawu omveka bwino pafupipafupi, monga 89.1MHz, zikomo! Mwapeza ma frequency osagwiritsidwa ntchito, omwe ndi 89.1MHz. Pitirizani kuyesera, ndipo mwina mutha kupeza pafupipafupi osagwiritsidwa ntchito.

 

Koma, nazonsoamabwera ndi kuipa koonekera:

 

  • Ngati mumakhala mumzinda, ndizovuta kupeza ma frequency a FM osagwiritsidwa ntchito. Chifukwa ma frequency ambiri a FM m'mizinda yayikulu atha kukhala atakhazikika.

  • Chifukwa mphamvu zamawayilesi amtundu wa FM nthawi zambiri zimakhala zotsika, ngakhale mutapeza kuti ma frequency a FM angagwiritsidwe ntchito, ndikosavuta kusokonezedwa ndi ma siginecha ena a FM.

 

  • Njira iyi si yoyenera pamene malo anu akuyenda. Mwachitsanzo, ngati muli m'galimoto yosuntha, ma frequency ogwiritsira ntchito a FM asintha ndi malo anu.

 

Chifukwa chake, yesani ma frequency a FM iliyonse imatha kuwonekeratu ngati ma frequency akupezeka komwe muli.

 

  1. Pezani Google kapena funsani oyang'anira wailesi ndi TV kwanuko

 

Ngati muli ku United States, mutha kupeza ma frequency a FM omwe mungagwiritse ntchito mdera lanu pamawebusayiti ena. Mwachitsanzo, Radio Locator ikhoza kukuthandizani kupeza ma frequency otseguka ndi omwe amapezeka kutengera mzinda, chigawo, ndi zip code yomwe mwalowetsa.malo boma

 

Nthawi yomweyo, mutha kufunsanso dipatimenti yolumikizirana ndi matelefoni mdera lanu za kuchuluka komwe kuli komwe muli. Ngati ziloledwa, adzakupatsani ma frequency osagwiritsidwa ntchito.

 

Zindikirani: Ambiri, pafupipafupi ntchito ndi Ma transmitters a FM ndi 88.0 - 108.0MHz. Ngati mukufuna kugwiritsa ntchito ma frequency ena, chonde titumizireni. Titha kusintha ma frequency a transmitter yanu ya FM.

 

  

Kutsiliza
 

Tikukhulupirira kuti kugawana uku ndikothandiza kuti mupeze ma frequency osagwiritsidwa ntchito a FM. Ngati mumakonda nkhaniyi, chonde gawanani ndi anzanu. 

 

FMUSER ndi katswiri Wopanga zida za wailesi, nthawi zonse kupeza chidaliro cha makasitomala ndi zida zoulutsira wailesi ndi apamwamba ndi mitengo mpikisano. Ngati mwatsala pang'ono kugulaZida zamawayilesi a FM kuti mugwiritse ntchito nokha kapena ma wayilesi akatswiri, chonde khalani omasuka Lumikizanani nafe. Tonse ndife makutu.

 

 

Q&A
 

Kodi Center frequency zikutanthauza chiyani?

Zimatanthawuza mafupipafupi pakati pa gulu lafupipafupi. Mwachitsanzo, mu gulu la ma frequency a FM kuchokera ku 89.6 mpaka 89.8 MHz, ma frequency apakati ndi 89.7 MHz.

 

Chabwino nchiyani, AM kapena FM?

Zizindikiro za FM zili ndi mwayi waukulu kuposa ma siginecha a AM. Mukamagwiritsa ntchito ma frequency a FM, ma frequency a siginecha yonyamula amasiyanasiyana. Ngakhale ma siginecha onse a AM ndi ma siginecha a FM ndi osavuta kusintha pang'ono matalikidwe, zosinthazi zimapangitsa kuti ma sign a AM asasunthike.

 

Chifukwa chiyani mumagwiritsa ntchito FM pawayilesi?

wide-band FM imagwiritsidwa ntchito padziko lonse lapansi kuti ipereke mawu odalirika kwambiri pawayilesi. Kuwulutsa kwa FM ndikokhulupirika kwambiri kuposa matekinoloje ena owulutsa, ndiye kuti, kutulutsa kolondola kwa mawu oyambira, monga kuwulutsa kwa AM.

 

 

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