Ziziphi iisensom ze-microwave?

Izinzwa zeMicrowave, ezikwaziwa njenge radar, rf, okanye doppler sensors, zilandelela iithagethi zabantu abahambayo, abahambayo, okanye abarhubuluza kwindawo engaphandle.Izinzwa zeMicrowave zivelisa intsimi ye-electromagnetic (rf) phakathi kwe-transmitter kunye ne-receiver, ekhokelela kwindawo yokufumanisa umthamo ongabonakaliyo.Iinzwa zeMicrowave zifakwe kuzo zonke iindlela ezinokubakho ezingagunyaziswanga.Ithumela i-high-frequency microwave signal, eboniswa yiyo nayiphi na isithuthi esingafunekiyo esidlula kwindawo yokukhangela.

Ziziphi ii-microwaves?

Imitha ye-electromagnetic ibandakanya ii-microwaves.Amaza ombane enziwe ngamaza ombane ajikelezayo kunye nemagnethi ahamba ngesantya sokukhanya, esiyi-299 792 458 m/s.Zahlulwe ngeempawu ezininzi eziphambili, kubandakanya ukuphindaphinda okanye ubude bexesha, ukuqina okanye amandla, kunye nepolarization.

Iindidi zoluvo lwe-microwave

· Iialtimeters: ezi zibala ubude bomphezulu ngokulinganisa ixesha elithatha i-microwave ukuba ibonakale ukusuka phezulu kwaye iguqulelwe kumgama othatyathwe kumphakamo weqonga.

· I-radar ye-Synthetic aperture (i-SAR): iirada ezinjalo zibonelela ngomfanekiso ophezulu-ukulungiswa kwendlela esecaleni okanye kwicala le-azimuth ngokusebenzisa isindululo seqonga ukwenza i-eriyali ende.Ubukhulu bamandla abonakalisiweyo asuka kumphezulu, aziwa ngokuba yi-'backscatter,' kwipixel nganye inxulumene nokubunjwa komphezulu kunye noburhabaxa bomphezulu kwisikali sobude be-wavelength yi-dielectric constant.

· I-SAR ye-Polarimetric: Iinkqubo ze-polarimetric SAR zivelisa imifanekiso evela kwi-polarizations eyahlukeneyo.Uncedo lwedatha ye-Polarimetric ekwahlukaneni kweenkcukacha zoburhabaxa bomphezulu ukusuka kwiziphumo zesakhiwo somphezulu kwi-backscatter.Uvakalelo kuqhelaniso kunye nolwazi oluphuculweyo lokusasazwa komphezulu luvumela ukuchaneka komphezulu ongaphezulu kunye noqikelelo lobungakanani bepharamitha echanekileyo.

· I-Stereo SAR: istiriyo simisela iinkcukacha zembonakalo yomhlaba ngokusebenzisa umfanekiso we-SAR ofunyenwe kwiindawo ezahlukeneyo zokujonga.Izinto ezikwimiphakamo eyahlukeneyo yemifanekiso ye-SAR, njengepereyo yomfanekiso obonakalayo westereo, ibangela iparallax okanye umfanekiso ogqwethekileyo olingana nobude obungaphezulu komphezulu wereferensi.

I-Interferometric SAR: i-interferometric sars, kubandakanywa i-stereo sars, sebenzisa idatha eqokelelwe kwiindawo ezahlukeneyo zokujonga ukubala i-Topographic okanye iinkcukacha zokufuduswa komphezulu.Ekubeni i-parallax yeenkqubo ze-interferometric idla ngokuba yincinci kakhulu kune-pixel, ulwazi lwe-topographic luvela kwi-sensor yesigaba, evumela ukuba i-parallax echanekileyo, okanye imilinganiselo yoluhlu, imilinganiselo.

Zisebenza njani?

Ii-detectors ezihambayo zithumela imiqondiso ye-microwave kunye nexesha elithatha ixesha elingakanani ukuba umqondiso udluliselwe emva kwi-sensor;oku kwaziwa njengexesha le-echo.Ixesha le-echo lisetyenziselwa ukulinganisa imigama yazo zonke izinto ezimileyo kwindawo yokufumanisa ukudala isiseko esisebenza kuyo.Ngelishwa, umntu oza kwindawo ye-detector uphazamisa i-microwave beam, ukwandisa ixesha le-echo kunye nokuvula izibane - oku kunokubangela ukuba abenzi boluvo babe novakalelo kakhulu.

Zinokusetyenziswa njani ekukhanyeni?

Izinzwa zentshukumo zeMicrowave zisebenza ngokwahlukileyo kunezo zisetyenziswa kakhulu kwi-infrared sensors.I-mw sensor ikhupha ii-microwaves kwaye ihlalutye i-echo ebuyela kwinkqubo.Ukuba isenzo sitshintsha ipateni ye-echo, inzwa inokuphendula ngokuvula ukukhanya.

Izinzwa zeMicrowave zinekhono elithembekileyo lokulandelela umsebenzi ngoluhlu olubanzi lwamaqondo obushushu.Nangona kunjalo, uvakalelo lokuqonda lwe-pir sensors lunokwahluka ngokuxhomekeke kwimozulu.Ngapha koko, izinzwa ze-infrared zichaphazeleka luthuli kunye nomsi kwaye zinobomi obuncitshisiweyo.

Izinzwa zeMicrowave zinokuva intshukumo ngemathiriyeli engeyiyo isinyithi njengeglasi kunye neendonga ezibhityileyo.Ekubeni inzwa inokunyuswa ngaphandle kwamehlo okanye ngaphakathi kwe-luminaire, inolunye ukhetho lokufakela.

Iwonga njani amandla?

Ukongeza kummiselo osemgangathweni wokuvula / ukuvala i-luminaire, ezinye iinzwa zinoluhlu olubanzi lwemisebenzi.Unokukhetha kwakhona inyathelo-2 okanye i-3-step dimming.Unokwakha uthungelwano olubanzi lwee-luminaires ngokusebenzisa unxibelelwano lwe-rf phakathi kwabenzi boluvo ukujonga izibane ezininzi ngaxeshanye.Ezinye iimodeli zinezinzwa zemini ezakhelwe ngaphakathi, ezikuvumela ukuba usebenzise ngokupheleleyo ukukhanya kwemini ngelixa ugcina amanqanaba okukhanya okwaneleyo ngorhatya kunye nokusa.Oku kwaziwa njengokuvuna emini.

Eyona nzuzo inkulu yafunyanwa kumagumbi kunye nakwiindawo apho ukukhanya kwemini kunempembelelo enkulu kwiimeko zokukhanya, ezinje ngeefestile ezinkulu.Ukongeza kokonga amandla, ukusebenzisa ezi zivamvo kwandisa ubomi bezibane zakho ngelixa zingavulwanga kude kufuneke ukukhanya.

Awona mathuba angcono kula benzi boluvo

Ukukhanyisa okuchanekileyo kwenza ukufunda nokubhala kube mnandi ngakumbi, kwandisa ukhuseleko, kwaye kunokuba luncedo kwintlalontle yomntu.Ke, ezi zivamvo zinokusetyenziselwa phi ukufumana okuninzi kuzo?Naziphi na izinzwa zizimele kwaye zinokudityaniswa ne-injini ekhokelwayo.Umqhubi sele esetyenziswa kwezinye izixhobo zoluvo.Oku kukunika ukuguquguquka ngakumbi xa kuziwa kuqwalaselo lokukhanyisa.

I-Pir v/s izinzwa ze-microwave

Izinzwa zePir azikho ngaphezulu ngokwesayensi kwaye azikho ngaphantsi kwi-microwave sensors.Zombini izitayile zenzwa zineenzuzo ezifanelene ngokufanelekileyo neendawo ezahlukeneyo kunye nemisebenzi.Izibane ezine-pir sensors zihlala zilolona khetho lukhuselekileyo lokusetyenziswa njengezibane zokhuseleko.Babona kuphela umsebenzi ovela kwizinto eziphilayo ukuze bakwazi ukubonelela ngee-alamu ezimbalwa zobuxoki.Ngakolunye uhlangothi, izinzwa ze-Microwave, zinokuthi ziqwalaselwe kuphela ukufumanisa umsebenzi kwizinto ezinobungakanani bomntu;nangona kunjalo, oku ngokuqhelekileyo kuphunyeziwe kwinto phambi kokuba abenzi boluvo bafakwe kwizibane.

Iinzwa zePir zidinga into yokuhamba kwindawo yayo yombono ukuyifumanisa.Ngenxa yoko, zifanelekile kwiindawo eziphawulwe kakuhle njengee-corridors, ii-walkways, ii-entryways, kunye ne-alleyways, apho zingenako ukuphetshwa.Ngakolunye uhlangothi, izinzwa ze-microwave azidingi umgca ocacileyo wokubona intshukumo.Ngenxa yoko, zifaneleke kakhulu kumagumbi ayilwe ngokungaqhelekanga kunye neendawo ezinemiqobo emininzi.Kananjalo abanako ukuthembela kwiisignesha zokushisa, okwenza ukuba zichaneke ngakumbi kwiindawo ezishushu apho inzwa ye-PIR ingasebenzi.

Izinzwa zeMicrowave nazo zinovakalelo ngakumbi, zizenza zilungele ukubona intshukumo entle kakhulu.Noko ke, zinokungakhuseleki kwindawo evulekileyo okanye ekufutshane nemizi ngenxa yokuba zinokubangelwa kukuvuthuza kwamagqabi, ukushukuma kwemithi nezinye izinto ezincinane.Ukukhanya kwe-PIR sensor kunamandla ngakumbi kwaye kunokwethenjelwa kwigadi kunye nokukhusela ikhaya.