Izidingo Zokuqapha I-Hydrological e-Philippines kanye ne-Advantages ye-Radar Technology
Njengesizwe esineziqhingi eNingizimu-mpumalanga ye-Asia ehlanganisa iziqhingi ezingaphezu kuka-7,000, iPhilippines inezindawo eziyinkimbinkimbi ezinemifula eminingi futhi ibhekene nezinsongo ezingapheli ezivela eziphepho nezivunguvungu ezibangela izikhukhula. Ngokwemininingwane yeBhange Lomhlaba, ukulahlekelwa kwezomnotho kwaminyaka yonke okuvela ezikhukhuleni e-Philippines kufinyelela kumakhulu ezigidi zamaRandi aseMelika, okwenza ukuqapha okunembile kwamanzi kube yingxenye ebalulekile yohlelo lukazwelonke lokuvimbela nokunciphisa izinhlekelele.
Ubuchwepheshe benzwa yezinga le-radar, namandla abo okulinganisa okungaxhumene naye, sebuphenduke isixazululo esifanelekile sezinselele zasePhilippines zokuqapha amanzi. Ngokusekelwe ezimisweni zokuhlukahluka kwamagagasi kagesi, lobu buchwepheshe bunikeza izinzuzo ezintathu eziyinhloko: 1) ukulinganisa kokunemba okuphezulu kwezinga lamamilimitha; 2) ukuguquguquka okuqinile kwemvelo okulungele isimo sezulu esishisayo sasePhilippines sokushisa okuphezulu nomswakama; kanye 3) nezidingo zokunakekelwa okuphansi, ezinciphisa kakhulu imvamisa yokugcinwa kwemishini ezindaweni ezikude.
Ngobuchwepheshe, izinzwa zeleveli ye-radar ezisetshenziswa e-Philippines ikakhulukazi zisebenza kumabhendi amabili efrikhwensi: i-K-band (24GHz) kanye ne-high-frequency 80GHz. I-radar ye-K-band inikeza izinzuzo zezindleko ezifanele ukuthunyelwa kwezinga elikhulu, kuyilapho i-radar engu-80GHz isebenza kahle kakhulu ezindaweni eziyinkimbinkimbi.
Izicelo Zokuqapha Izinga le-Radar Ezinhlelweni Zesexwayiso Zezikhukhula
Inethiwekhi kazwelonke yesixwayiso yezikhukhula yase-Philippine isebenzisa amasistimu okuqapha izinga le-radar njengezingxenye zobuchwepheshe eziyinhloko. Kuphrojekthi enkulu yango-2019, uhulumeni wasePhilippine wathumela inethiwekhi yokuqapha izinga lamanzi ngokusekelwe kubuchwepheshe bokudluliswa kwemisakazo emifuleni emikhulu engu-18. Lolu hlelo lubonisa izinzuzo ezibalulekile endaweni enezintaba kanye nezimo zesishingishane: ukungena kwamagagasi omsakazo anamandla okungaphazanyiswa ukulimala kwengqalasizinda yezokuxhumana; ukusetshenziswa kwamandla okuphansi kakhulu okuvumela ukusebenza kwesikhathi eside ngamandla welanga nje. Idatha yokusebenza ikhombisa ukuthi uhlelo lufinyelela ukuzinza kokudluliswa kwedatha okungama-99.7%.
Esinye isixazululo esiyimpumelelo sisebenzisa ubuchwepheshe be-radar ye-K-band ekwazi ukukala ngasikhathi sinye izinga lamanzi, isivinini sokugeleza komhlaba, nokubala ukukhishwa. Leli khono lokuqapha lemisebenzi eminingi libonakala liwusizo ikakhulukazi ezixwayiso zezikhukhula. Izinzwa ze-radar zesistimu zifaka ububanzi bokulinganisa obukhulu obungamamitha angu-30-70 ngokunemba kweleveli yemilimitha, futhi ukulinganisa okungathintana naye kugwema izinkinga zezinzwa zendabuko ezonakaliswa noma ukuvinjwa amanzi ezikhukhula.
Ukuhlolwa KoMkhandlu Kazwelonke Wokunciphisa Izinhlekelele Nokuphathwa Kwezinhlekelele kubika ukuthi ngemva kokuqaliswa kwezinhlelo zokuqapha izinga le-radar, isilinganiso sesikhathi sokuhola isixwayiso sezikhukhula sithuthuke sisuka emahoreni ama-2 kuya kwayi-6, ngokusebenza kahle kokuphuma kanye namazinga okuvikela impahla akhuphuka ngo-35% no-28% ngokulandelana.
Ukuqapha Izinga le-Radar Emiseleni Yasemadolobheni kanye Nokuhlanza Amanzi Angcolile
Kuhlelo lwe-Metro Manila lokuqapha ukugeleza kwamanzi emadolobheni, amageji eleveli yerada ye-80GHz FMCW abonisa ukusebenza okuhle kakhulu. Idizayinelwe ngokukhethekile izindawo zasemadolobheni eziyinkimbinkimbi, lawa madivaysi afaka: isakhiwo esihlangene esifanele ukufakwa kumapayipi okukhipha amanzi amancane kanye nemithombo yokuhlola; izinga eliphezulu lokuvikela eliqinisekisa ukusebenza ngesikhathi semvula enkulu kanye nezikhukhula; namamojula angenantambo anika amandla ukucushwa kochwepheshe abakude. Idatha yasensimini ibonisa ukusebenza okuhle kakhulu kokungena ezimeni ezivamile zamapayipi amanzi asemadolobheni njengesitimu, igwebu, nezinto eziqinile ezimisiwe, igcina ukunemba kokulinganisa phakathi kuka-±3mm.
Ezicelweni zokuhlanza amanzi angcolile, amageji erada ye-FMCW esezingeni eliphezulu ahamba phambili ekuqaphelweni kwethangi le-sedimentation. Idizayini egxilile ye-beam inciphisa ngempumelelo ukuphazamiseka kokusakazwa kwesignali kusuka ezintweni eziqinile ezimisiwe; ama-engeli ama-beam emincane kakhulu avimbela amasiginali angamanga ekuboniseni udonga lwethangi; kanye nemiphumela yesignali evamile ixhumanisa ngokuqondile namaphampu okukhipha udaka ukuze kulawuleke ngokuzenzakalelayo. Idatha yokusebenza ikhombisa ukuthi amageji eleveli ye-radar athuthukisa ukusebenza kahle kokulungiswa kodaka ngo-20% kuyilapho edala ukonga okubalulekile konyaka ezindlekweni zomsebenzi wokulungisa.
Izifundo Zezikali Zezinga Le-Radar Yezimboni
Emapulazini amathangi okugcina uwoyela, izikali zeleveli ye-radar yamagagasi aqondiswayo ahlinzeka ngezixazululo ezibalulekile zokuqapha uketshezi oluyingozi. Ihlanganisa nezinti ezigxilile zemishayo efakwe kumapayipi amafushane ukuze kugwenywe ukuphazamiseka kwe-echo yodonga lwethangi, lezi zixhobo zithola ukunemba kwesilinganiso sezinga lokudlulisa ukuhweba. Idizayini yabo ephephile yangaphakathi ihlangabezana nezindinganiso zamazwe ngamazwe zokuvikela ukuqhuma, ngobuchwepheshe bokuzihlola ngezikhathi ezithile obuhlola isimo semishini ukuze kuthuthukiswe kakhulu ukuphepha kokusebenza. Imibiko ibonisa amaleveli e-radar anciphisa kakhulu izingxabano zokulinganisa futhi akhiqize izinzuzo ezinkulu zezomnotho ngokuphathwa kwempahla okunembayo.
Embonini yamakhemikhali, ama-gauge e-radar ye-FMCW esezingeni eliphezulu axazulula ngempumelelo izinselelo zokulinganisa uketshezi olubola kakhulu noluguquguqukayo. Yakhiwe ngezinto ezikwazi ukumelana nokugqwala, amasignali azo amaza aphezulu anikeza ukungena okuqinile okungaphazanyiswa wumhwamuko, kuyilapho ukulungiswa okuphezulu kakhulu kuthwebula izinguquko zeleveli yamaminithi. Idatha yokuhlanganiswa kwezitshalo ibonisa amageji e-radar athuthukisa kakhulu ukuqina kwezinga lokulawula amathangi futhi asuse ukuphazamiseka kokukhiqiza emaphutheni okulinganisa.
Izicelo Zokuqapha Izinga Lamanzi Ekucheleleni Kwezolimo kanye Nogesi Wamanzi
Kuhlelo lokunisela lwenkasa lwaseNyakatho yeLuzon, amageji ezinga lamanzi e-radar angathinteki aqapha izindawo ezibalulekile emiseleni emikhulu. Isebenzisa imvamisa ye-K-band enama-engeli amancane e-beam ukugwema ukuboniswa kwe-engeli, ukuvikelwa kwe-IP68 kwezindawo ezingaphandle ezinokhahlo, namandla elanga ezindaweni ezikude, isiphathimandla senkasa sibika ukunemba kokusatshalaliswa kwamanzi okungama-95% kanye nokukhuphuka okungu-15% kwesivuno serayisi.
Kusistimu yokuthunyelwa kwechibi elikhulu lesizinda samandla kagesi, amageji erada angu-80GHz aqapha amazinga edamu langaphambili ngobubanzi obungamamitha angu-40 kanye nokunemba okungu-±2mm, adlulisa idatha yesikhathi sangempela ngamasiginali angu-4-20mA kumasistimu okulawula izitshalo. Amarekhodi okusebenza abonisa amageji e-radar asiza ukuthuthukisa ukusebenza kahle kokuphehlwa kwamandla ngo-8% kuyilapho eqinisekisa ukuphepha kwezikhukhula.
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