FormationSayniska

Doppler saamayn

saamayn Doppler waa mid ka mid ah daahfurtay ugu cajiibsan ee daraasadda of sifooyinka ifafaale la ruxruxo. dabeecadda Its universal go'aamisa waxa maanta ku salaysan saamayn this yihiin kumanaan iyo kumanaan qalab kala duwan oo dhinacyo kala duwan ee jimicsiga aadanaha. ifafaale The, taas oo ka dibna waxaa loo magacaabay in sharaf of ay discoverer, waxaa la ogaadey by jirka Austria Christian Doppler sida ugu horreysa ee qarnigii sagaal iyo bartamihii. Cabirka Doppler sameeyay hirarka guryaha waxaa la helay by aqbalana ee isha dhaqaajin karo oo taagan.

Haddii aan ka fiirsan saamayn Doppler qaab fudud, waxaa la ogaadaa in ay ifafaale jirka qeexayaa isbedelka ku dhacay inta jeer signalka la eego xaddiga dhaqdhaqaaqa isha of signal ka qaata in ay hesho. Tusaale ahaan, ruxruxo ah ka timaada ilo qaar ka mid ah, kaas oo uu soo noqnoqoshada go'an oo gaar ah, oo la aqbali maayo by aqbalana horeba waa on inta jeer oo kala duwan haddii inta lagu guda jiro ay marinka ka mid ah ilaha aqbalana bedelay ay qaraabo meel kasta oo kale, in ka dhaqaaqaa. Sawirkaan this kordhin doonaa ama hoos u soo noqnoqoshada ku xiran tahay jihada taas oo ah isha ugu guuro qaraabo qadanayo. Marka la eego saamaynta Doppler ah, aan ma odhan karaan in haddii qadanayo ka fog isha guuro - qiimaha inta jeer ee la ruxruxo hoos. Haddii qadanayo socdo ilaha shucaaca la ruxruxo, haddaba dhammaystira qiyaastii inta jeer ee la ruxruxo, oo kordhay. Iyadoo la raacayo, ka sharciyadan, waxaa soo gabagabeeyey in haddii isha mawjadihii aqbalana lagu jiro ay marinka ma badasho booska, ka dibna qiimaha inta jeer ee la ruxruxo isku sii joogi doonaa.

Muhiim ah oo lagu burburin karo mid kale oo lagu tilmaamay saameyn Doppler ah. hantida Tani waa ilaa xad gaar ah waa ka soo horjeeda la sharciyada relativity. Xaqiiqada ah in isbedel inta jeer ee la go'aamiyo ma aha oo kaliya by dhaqaaqin ama ma aqbalana a iyo il shucaaca, iyo xaqiiqda ah in uu guuro. Qiyaasaha ayaa muujiyay in wareeg inta jeer ee la go'aamiyo, taas oo ka mid ah wax la dhaqaajin karo, ayaa in ka badan dareemi, kala yar oo ka mid ah aqbalana iyo velocities il eexda dhaqdhaqaaqa ruxruxo xawaare ah. Dhab ahaantii, xaaladaha halkaas oo ay jiraan muujin ka timid saamaynta Doppler ah, waxaa jira khilaaf lahayn aragti of relativity ma muujiyaan aan kor, maxaa yeelay, halkan waxaa muhiim ah in aan dhaqdhaqaaqa qaraabo ah aqbalana iyo il iyo nooca dhaqdhaqaaqa hirarka ee dhexdhexaad ah laastikada, taas oo ku dhaqaaqdo.

Noocan oo kale ah saameyn guryaha Doppler sidoo kale teedu ee la xiriirta soo jeedo hirarka loomana baahno, iyo in hirarka electromagnetic, marka laga reebo in ay dhacdo hirarka electromagnetic ee soo noqnoqoshada mowjadda arrin aanu ku xiran tahay ma on isha ama guuro qadanayo.

Sidee tani saameyn halkii aan la taaban karin, arki, si kastaba ha ahaatee, waa mid fudud oo ku filan. Tusaale ahaan, saamayn Doppler in codka loo arki karaa, inay sax noqon - si aad u maqasho, waqti ay taagan macaanka gaadiidka ah, waxaad maqli gudbo seeriga by baabuurta gurmadka degdegga ah. Hubaal dhan xusay in haddii baabuurka noocan oo kale ah soo socdo - codka seeriga a codadka hal hab sare, iyo marka baabuur aad ku gaadhayso - codka seeriga ah hoos. Waxa kaliya ayaa xaqiijiyay in qiimaha isbedel ah inta jeer ee signalka loomana baahno ah.

Great inta jeer Doppler muhiimadda ciyaara ee radar, marka la eego hirarka electromagnetic. On ku salaysan shaqada saamayn waxan oo dhan ayaa labada naadi iyo qalab kale oo lagu ogaado walxaha dhaqaaqin in beerihii ugu kala duwan ee dhaqdhaqaaqa aadanaha.

hantida waxaa loo isticmaalaa in technology caafimaadka ee go'aan ka soo baxay socodka dhiigga, sida si fiican u yaqaan, nidaamka noocan oo kale ah sida echocardiography Doppler. Iyadoo uu sal u saamayn Doppler ah, dhisay qalab navigation, waayo, weelasha quuska ah, iyadoo ay isticmaalka saadiyayaasha qiyaas xoog dabaysha iyo xawaaraha dhaqdhaqaaqa ee tacsida daruur.

Xataa in cabbirka xiddigaha uu la isticmaalayo saamaynta Doppler ah. Sayidka, shaqada ugu weyn ee spectra ee walxaha Falag buu kala duwan, oo ay go'aamiyeen in ay heerka dhaqdhaqaaqa ee bannaan, gaar ahaan, si hufan oo ku saleysan saamayn this ayaa hypothesized in ay ballaariso caalamka.

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