Izindlela zokuthola umoya
Izindlela eziyinhloko zokuthola umoya yilezi: indlela yokushaya i-radar ye-microwave, indlela yokushaya i-airborne noma ye-rocket, ibhaluni lokushaya i-sounding, i-satellite remote sensing, kanye ne-LIDAR. I-microwave radar ayikwazi ukuthola izinhlayiya ezincane ngoba ama-microwave athunyelwa emkhathini angamagagasi e-millimeter noma i-centimeter, anama-wavelength amade futhi awakwazi ukusebenzisana nezinhlayiya ezincane, ikakhulukazi ama-molecule ahlukahlukene.
Izindlela zokuzwa umsindo we-airborne kanye ne-rocket zibiza kakhulu futhi azikwazi ukubonwa isikhathi eside. Nakuba izindleko zokuzwa umsindo we-balloon ziphansi, zithinteka kakhulu yisivinini somoya. Ukuzwa okukude kwesathelayithi kungabona umoya womhlaba wonke ngezinga elikhulu kusetshenziswa i-radar esebhodini, kodwa isinqumo sendawo siphansi kakhulu. I-Lidar isetshenziselwa ukuthola amapharamitha omkhathi ngokukhipha umsebe we-laser emkhathini kanye nokusebenzisa ukusebenzisana (ukusabalala kanye nokumuncwa) phakathi kwama-molecule omkhathi noma ama-aerosol kanye ne-laser.
Ngenxa yokuqondisa okunamandla, ubude obufushane (i-micron wave) kanye nobubanzi obuncane be-pulse ye-laser, kanye nokuzwela okuphezulu kwe-photodetector (i-photomultiplier tube, i-single photon detector), i-lidar ingafinyelela ukunemba okuphezulu kanye nokutholwa okuphezulu kwesikhala kanye nesikhashana kwamapharamitha omoya. Ngenxa yokunemba kwayo okuphezulu, ukulungiswa okuphezulu kwendawo kanye nesikhathi kanye nokuqapha okuqhubekayo, i-LIDAR ithuthuka ngokushesha ekutholeni ama-aerosol omoya, amafu, ukungcola komoya, izinga lokushisa lomoya kanye nesivinini somoya.
Izinhlobo ze-Lidar ziboniswe kuthebula elilandelayo:
Izindlela zokuthola umoya
Izindlela eziyinhloko zokuthola umoya yilezi: indlela yokushaya i-radar ye-microwave, indlela yokushaya i-airborne noma ye-rocket, ibhaluni lokushaya i-sounding, i-satellite remote sensing, kanye ne-LIDAR. I-microwave radar ayikwazi ukuthola izinhlayiya ezincane ngoba ama-microwave athunyelwa emkhathini angamagagasi e-millimeter noma i-centimeter, anama-wavelength amade futhi awakwazi ukusebenzisana nezinhlayiya ezincane, ikakhulukazi ama-molecule ahlukahlukene.
Izindlela zokuzwa umsindo we-airborne kanye ne-rocket zibiza kakhulu futhi azikwazi ukubonwa isikhathi eside. Nakuba izindleko zokuzwa umsindo we-balloon ziphansi, zithinteka kakhulu yisivinini somoya. Ukuzwa okukude kwesathelayithi kungabona umoya womhlaba wonke ngezinga elikhulu kusetshenziswa i-radar esebhodini, kodwa isinqumo sendawo siphansi kakhulu. I-Lidar isetshenziselwa ukuthola amapharamitha omkhathi ngokukhipha umsebe we-laser emkhathini kanye nokusebenzisa ukusebenzisana (ukusabalala kanye nokumuncwa) phakathi kwama-molecule omkhathi noma ama-aerosol kanye ne-laser.
Ngenxa yokuqondisa okunamandla, ubude obufushane (i-micron wave) kanye nobubanzi obuncane be-pulse ye-laser, kanye nokuzwela okuphezulu kwe-photodetector (i-photomultiplier tube, i-single photon detector), i-lidar ingafinyelela ukunemba okuphezulu kanye nokutholwa okuphezulu kwesikhala kanye nesikhashana kwamapharamitha omoya. Ngenxa yokunemba kwayo okuphezulu, ukulungiswa okuphezulu kwendawo kanye nesikhathi kanye nokuqapha okuqhubekayo, i-LIDAR ithuthuka ngokushesha ekutholeni ama-aerosol omoya, amafu, ukungcola komoya, izinga lokushisa lomoya kanye nesivinini somoya.
Umdwebo wesimiso sesimiso se-radar yokulinganisa amafu
Isendlalelo samafu: isendlalelo samafu esintanta emoyeni; Ukukhanya okukhiphiwe: umsebe ohlanganisiwe wobude besikhathi obuthile; I-Echo: isignali esakazeke ngemuva ekhiqizwa ngemva kokuphuma komoya kudlule isendlalelo samafu; Isisekelo sesibuko: ubuso obulinganayo besistimu yetheleskopu; Into yokuthola: idivayisi ye-photoelectric esetshenziselwa ukwamukela isignali ye-echo ebuthakathaka.
Uhlaka lokusebenza lwesistimu yeradar yokulinganisa amafu
Imingcele yobuchwepheshe eyinhloko ye-Lumispot Tech yokulinganisa ifu i-Lidar
Isithombe Somkhiqizo
Isicelo
Umdwebo Wesimo Sokusebenza Kwemikhiqizo
Isikhathi sokuthunyelwe: Meyi-09-2023