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Baro Shaandhada Joojinta Band-ka


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TheShaandheeyaha Joojinta Kooxda, (BSF) waa nooc kale oo wareeg doorasho soo noqnoqosho ah oo u shaqeeya si ka soo horjeeda Shaandhada Band Pass ee aan hore u eegno. Shaandhada joojinta band, oo sidoo kale loo yaqaan shaandhada diidmada band, waxay dhaaftaa dhammaan soo noqnoqoshada marka laga reebo kuwa ku jira xarig joojin gaar ah oo si weyn loo dhimay.

Haddii xariggan joojinta uu aad u cidhiidhi yahay oo aad loo yareeyay dhowr hertz, markaa shaandhada joojinta xarigga waxaa badanaa loogu yeeraa shaandhada heerka, maadaama jawaab celinteedu ay muujinayso heerka heerka qoto dheer oo leh xulasho sare (qalooc dhinac u janjeera) halkii laga isticmaali lahaa xarig ballaaran oo siman.

Sidoo kale, sida shaandhada band pass, shaandhada band stop (band reject or notch) waa shaandho labaad (laba-cirif) oo leh laba jeer oo la jaray, oo si caadi ah loo yaqaan -3dB ama bar-power points oo soo saara band stop band ballaaran oo u dhexeeya labadan dhibcood -3dB.

Markaas shaqada shaandhada joojinta band-ka ayaa aad uga gudubta dhammaan mawjadahaas laga bilaabo eber (DC) ilaa barta soo noqnoqoshada ee ugu horreysa (hoose) ƒL, oo ​​ka gudubta dhammaan mawjadahaas ka sarreeya soo noqnoqoshada labaad (sare) ee goynta ƒH, laakiin xannib ama diid dhammaan mawjadahaas dhexda ku jira. Kadib mawjadda shaandhada, BW waxaa lagu qeexaa: (ƒH – ƒL).

Markaa shaandhada joojinta band-band-band, band-ka joojinta dhabta ah ee shaandheeyayaashu wuxuu u dhexeeyaa dhibcaha hoose iyo kuwa sare ee -3dB maadaama uu yareeyo, ama diido soo noqnoqoshada u dhaxaysa labadan soo noqnoqoshada ee la jaray. Sidaa darteed, qalooca jawaabta soo noqnoqoshada ee shaandhada joojinta band-ka ee ku habboon ayaa la bixiyay.

Ujeedkashaandhada joojinta kooxdawaxay yeelan doontaa hoos u dhac aan dhammaad lahayn oo ku yimaada xarigga joojinta iyo eber hoos u dhac labada xarig ee gudbinta. Kala-guurka u dhexeeya labada xarig ee gudbinta iyo xarigga joojinta wuxuu noqon doonaa mid toosan (derbi leben ah). Waxaa jira dhowr siyaabood oo aan u qaabayn karno "Shaandhada Joojinta Band", dhammaantoodna waxay gaaraan ujeeddo isku mid ah.

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Cutubyadu waxay la yimaadaan isku xirayaasha dheddigga ah ee SMA ama N, ama isku xirayaasha 2.92mm, 2.40mm, iyo 1.85mm ee qaybaha soo noqnoqda sare.

Waxaan sidoo kale habayn karnaaShaandheeyaha Joojinta Kooxdasida waafaqsan shuruudahaaga. Waxaad geli kartaa bogga habaynta si aad u bixiso qeexitaannada aad u baahan tahay.

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Waqtiga boostada: Agoosto-20-2022