Abubuwan da ke da ainihin yanayin zafi sama da cikakken sifili za su haskaka kuzari. Adadin kuzarin da ke haskakawa yawanci ana bayyana shi a daidai zazzabin TB, yawanci ana kiransa zazzabi mai haske, wanda aka ayyana azaman:
TB shine zafin jiki mai haske (madaidaicin zafin jiki), ε shine fitarwa, Tm shine ainihin zafin jiki na ƙwayoyin cuta, kuma Γ shine madaidaicin iskar gas mai alaƙa da polarization na igiyar ruwa.
Tun da fitarwa yana cikin tazara [0,1], matsakaicin ƙimar da zafin haske zai iya kaiwa daidai yake da zazzabi na ƙwayoyin cuta. Gabaɗaya, isar da saƙon aiki ne na mitar aiki, da karkatar da makamashin da ake fitarwa, da kuma tsarin ƙwayoyin abu. A mitoci na microwave, da na halitta emitters na mai kyau makamashi ne ƙasa tare da daidai zafin jiki na game da 300K, ko sama a cikin zenith shugabanci tare da daidai zafin jiki na game da 5K, ko sama a kwance shugabanci na 100 ~ 150K.
Zazzabi mai haske da ke fitowa ta hanyoyin haske daban-daban yana kama da eriya kuma yana bayyana a wurineriyaƙare a cikin yanayin zafin eriya. Ana ba da yanayin zafin da ke bayyana a ƙarshen eriya bisa tsarin da ke sama bayan yin nauyi tsarin ribar eriya. Ana iya bayyana shi kamar haka:
TA shine zafin eriya. Idan babu rashin daidaituwa kuma layin watsawa tsakanin eriya da mai karɓa ba shi da asara, ƙarfin ƙarar da ake watsawa ga mai karɓa shine:
Pr shine ƙarfin hayaniyar eriya, K shine madaidaicin Boltzmann, kuma △f shine bandwidth.
siffa 1
Idan layin watsawa tsakanin eriya da mai karɓa ya yi hasara, ana buƙatar gyara ƙarfin hayaniyar eriya da aka samu daga tsarin da ke sama. Idan ainihin zafin jiki na layin watsawa daidai yake da T0 akan duk tsawon tsayin, kuma madaidaicin ƙimar layin watsawa da ke haɗa eriya da mai karɓa shine α akai-akai, kamar yadda aka nuna a cikin Hoto 1. A wannan lokacin, eriya mai inganci. zafin jiki a wurin ƙarshen mai karɓa shine:
Inda:
Ta shine zafin eriya a ƙarshen mai karɓa, TA shine zafin eriya a hayaniyar eriya a ƙarshen eriya, TAP shine zafin ƙarshen eriya a zafin jiki, Tp shine zafin jiki na eriya, eA shine ingantaccen zafin eriya, kuma T0 shine na zahiri. zazzabi na layin watsawa.
Don haka, ana buƙatar gyara ƙarfin hayaniyar eriya zuwa:
Idan mai karɓa da kansa yana da takamaiman zafin amo T, ƙarfin amo na tsarin a wurin ƙarshen mai karɓa shine:
Ps shine tsarin tsarin amo (a wurin ƙarshen mai karɓa), Ta shine zafin amo na eriya (a wurin ƙarshen mai karɓa), Tr shine zafin amo mai karɓa (a wurin ƙarshen mai karɓa), kuma Ts shine tsarin ingantaccen yanayin amo. (a wurin ƙarshen mai karɓa).
Hoto na 1 yana nuna alaƙar da ke tsakanin duk sigogi. Tsarin ingantaccen amo zazzabi Ts na eriya da mai karɓar tsarin ilimin taurari na rediyo ya tashi daga ƴan K zuwa dubu da yawa K (ƙimar ƙima ta kusan 10K), wanda ya bambanta da nau'in eriya da mai karɓa da mitar aiki. Canjin zafin eriya a ƙarshen eriya wanda aka haifar da canjin radiyon da aka yi niyya na iya zama ƙanƙanta kamar 'yan kashi goma na K.
Zazzabi na eriya a shigarwar eriya da ƙarshen mai karɓa na iya bambanta da digiri da yawa. Tsawon ɗan gajeren tsayi ko ƙananan layin watsawa na iya rage girman wannan bambancin zafin jiki zuwa ƙanƙanta kamar ƴan kashi goma na digiri.
Farashin MISObabban kamfani ne na fasaha wanda ya kware a cikin R&D kumasamarwana eriya da na'urorin sadarwa. Mun himmatu ga R&D, ƙira, ƙira, samarwa da tallace-tallace na eriya da na'urorin sadarwa. Ƙungiyarmu ta ƙunshi likitoci, masters, manyan injiniyoyi da ƙwararrun ma'aikata na gaba, tare da ƙwararrun ƙwararrun ka'idodin ka'idoji da ƙwararrun ƙwarewa. Ana amfani da samfuranmu sosai a cikin kasuwanci daban-daban, gwaje-gwaje, tsarin gwaji da sauran aikace-aikace da yawa.Ba da shawarar samfuran eriya da yawa tare da kyakkyawan aiki:
RM-BDHA26-139(2-6GHz)
RM-LPA054-7(0.5-4GHz)
RM-MPA1725-9(1.7-2.5GHz)
Don ƙarin koyo game da eriya, da fatan za a ziyarci:
Lokacin aikawa: Juni-21-2024