A cikin aikin likita Dr kayan aiki, mai gano shinge yana da matukar muhimmanci, kuma aikinsa yana shafar ingancin hotunan da aka kama. Akwai samfuran da yawa da samfura na masu gano masu ganowa a kasuwa, kuma zaɓi mai gano da ya dace yana buƙatar kulawa da mahimman sigogi. Mai zuwa cikakken bayani ne na sigogin bakwai na bakar Flat Flat Chelllic:
Girman Pixel: ya ƙunshi ƙuduri, ƙudurin tsarin, ƙuduri na hoto, da mafi girman ƙuduri. Zabi na girman pixel ya kamata ya dogara ne akan takamaiman bukatun ganowa kuma bai kamata ba ya makantar da kananan girman pixel.
Nau'in Scitillators: Silpon gama gari silpon Slicillator hada da cesium aium aidide da gadolinium haske. Cesium iodide has strong conversion ability but high cost, while gadolinium oxysulfide has fast imaging speed, stable performance, and low cost.
Range mai tsauri: Yana nufin kewayon da ke cikin wanda ya gano daidai gwargwado gwargwadon radadi. Babban kewayon mai tsauri, mafi kyawun bambanci na iya samun har yanzu ana iya samun abubuwan sha da ban mamaki ko da a yanayin manyan bambance-bambance a cikin kauri da ke da alama.
Abin sani: mafi qarancin karfin shigarwar siginar da ake buƙata don ganowa don gano sigina an ƙaddara shi ta hanyar abubuwa da yawa kamar su X-ray shaye-shaye.
Aiki Canja wurin Modulation (MTF): Yana wakiltar ikon mai ganowa don bambance cikakkun bayanan kamshi. A mafi girma MTF, za a iya samun ƙarin bayanin hoton.
Ganowar Tasirin Quantum mai ƙarfi: An ayyana shi azaman murabba'in fitowar sigari-zuwa-amoise rabo zuwa murabba'in shigarwar siginar-zuwa-amoise rabo. Lokacin da DQE yake da girma, ana iya samun ingancin hoto tare da ƙananan allurai.
Sauran Halayen sun hada da amo, sigina-zuwa-amoise rabo, daidaitaccen sigina, kwanciyar hankali, lokacin amsawa, wanda ya shafi ingancin ƙwaƙwalwar hoto, wanda ya shafi ingancin ƙwaƙwalwar hoto.
Lokacin da zaɓar zaɓin masu gano filayen dr na, sigogin da ke sama ya kamata a lura da su, kuma zaɓi ya kamata a yi bisa takamaiman yanayin aikace-aikacen da buƙatun.
Lokaci: Nuwamba-30-2024