Nrog rau qhov nrov nrov ntawm cov neeg siv khoom- theem thiab kev lag luam- theem drones, qhov tshwm sim ntawm "tsis tau tso cai davhlau" thiab "kev ya davhlau tsis zoo" tshwm sim ntau zaus. Cov teeb meem xws li kev cuam tshuam hauv tshav dav hlau qhov chaw dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav, nkoj nkoj nkoj, nkoj nkoj, nkoj nkoj nkoj, nkoj nkoj nkoj nkoj, thiab kev nyab xeeb kev nyab xeeb thaum muaj xwm txheej loj tau dhau los ua qhov tseem ceeb. Ntawm ntau yam drone saib xyuas thev naus laus zis,radar detection technology, nrog rau nws cov txiaj ntsig tseem ceeb ntawm txhua yam - huab cua ua haujlwm, qhov ntev - nrug deb, thiab tiv thaiv - muaj peev xwm cuam tshuam, tau dhau los ua "kev tiv thaiv tseem ceeb" rau kev tsim kho qhov qis- qhov siab qhov siab, muab kev txhawb nqa tseem ceeb rau kev txheeb xyuas meej thiab taug qab cov hom phiaj drone.
Ua ntej, lub hauv paus ntsiab lus tseem ceeb ntawm radar rau kev kuaj xyuas cov tsheb tsis muaj neeg tsav dav hlau:
raug ntes "qis, qeeb, me" lub hom phiaj
Cov tsheb tsis muaj neeg tsav dav hlau feem ntau poob rau hauv qeb ntawm "tsawg- qhov siab, qeeb- nrawm, me- loj" (hu ua "qis, qeeb, me") lub hom phiaj. Lawv muaj cov yam ntxwv ntawm me me radar reflection cheeb tsam, qeeb ya davhlau ceev, thiab muaj kev tsis meej pem nrog noog lossis clutter. Ib txwm radars tsis tuaj yeem txheeb xyuas lawv zoo. Txhawm rau daws qhov teeb meem no, lub dav hlau tsis muaj neeg tsav tsheb nrhiav pom radar tau ua tiav qhov kev ntes me me los ntawm kev ua kom zoo dua qub. Nws lub hauv paus ntsiab lus tseem ceeb tuaj yeem muab faib ua peb pawg:
1. Pulse Doppler Radar: Taug qab Dynamic Target Trajectories
Lub mem tes Doppler radar eits siab -frequency mem tes signals thiab tau txais cov kev cuam tshuam ncha teeb liab los ntawm lub hom phiaj. Nws siv "Doppler effect" kom paub qhov txawv txav lub hom phiaj los ntawm qhov chaw nyob ruaj khov. Rau qeeb- txav lub hom phiaj xws li cov tsheb tsis muaj neeg tsav dav hlau (UAVs), nws tuaj yeem lim tawm cov khoom zoo li qub xws li hauv av thiab ntoo, tshem tawm cov ntaub ntawv xws li kev ceev, kev taw qhia, thiab kev ncua deb ntawm UAV, thiab tshwj xeeb tshaj yog tsim nyog rau kev taug qab cov hom phiaj dynamic tshaj qhov nruab nrab mus rau luv luv (1-10 kilometers). Nws yog feem ntau siv nyob rau hauv nruab nrab-tsawg altitude tswj scenarios xws li tshav dav hlau thiab scenic chaw.
2. Frequency Modulated Continuous Wave (FMCW) Radar: Txhim kho Kaw -ntau qhov kev kuaj pom tseeb
FMCW radar tsis emit discrete pulses tab sis ua tiav kev tshawb pom los ntawm kev hloov pauv cov teeb liab zaus. Nws qhov zoo muaj xws li qhov tseeb ntawm qhov siab (txog li 'meter' -theem), qhov me me, tsis siv hluav taws xob tsawg, thiab muaj peev xwm txheeb xyuas cov tsheb me me tsis muaj neeg siv nyob rau hauv qhov chaw ze (hauv 1 mais), txawm tias qhov txawv ntawm radar ncha cov yam ntxwv ntawm unmanned aircraft thiab noog - los ntawm kev txheeb xyuas lub dav hlau lub cev thiab kev ceev ntawm caj npab tuaj yeem hloov pauv. Cov radars no feem ntau ua ke nrog kho qhov muag - cov khoom siv hluav taws xob thiab xa mus rau kev tiv thaiv ib puag ncig hauv thaj chaw tseem ceeb xws li chaw nres tsheb thiab cov chaw tso roj.
3. Phased Array Radar: Ua tiav Kev Tshawb Fawb Ntiaj Teb nrawm
Phased array radar ua tiav cov nqaj nrawm nrawm thiab hloov tau yooj yim taw tes los ntawm theem tswj ntawm array kav hlau txais xov. Nws tuaj yeem npog 360℃airspace yam tsis muaj kev sib hloov tshuab, thiab nws cov scanning ceev yog kaum lub sij hawm sai dua li cov tsoos mechanical radars. Hauv qhov xwm txheej uas ntau lub dav hlau tsis muaj neeg tuaj yeem txeeb tau ib txhij, nws tuaj yeem taug qab ntau lub hom phiaj, hloov kho lub hom phiaj ntawm lub sijhawm, thiab muab AI algorithms los txhim kho qhov tseem ceeb ntawm cov hom phiaj. Nws yog cov cuab yeej tseem ceeb rau qhov loj - nplai qhov xwm txheej kev nyab xeeb thiab qis- qhov siab saib xyuas raws kab ciam teb.
Qhov thib ob, qhov tseem ceeb ntawm qhov zoo ntawm radar nrhiav tshuab: Ua txhaum ntawm ib puag ncig thiab lub hom phiaj txwv
Piv nrog rau infrared, photoelectric, thiab xov tooj cua nrhiav technologies, radar detection muaj ib tug irreplaceable kom zoo dua nyob rau hauv kev saib xyuas drone, tshwj xeeb tshaj yog muaj peev xwm ua tau raws li qhov xav tau kev saib xyuas hauv cov xwm txheej nyuaj:
1. Txhua yam - huab cua ua haujlwm: Tsis muaj kev cuam tshuam los ntawm huab cua huab cua
Infrared thiab photoelectric technologies raug cuam tshuam los ntawm nag, pos huab, daus, thiab hmo ntuj tsis muaj teeb. Txawm li cas los xij, radar, los ntawm nws qhov muaj peev xwm nkag mus rau electromagnetic yoj, tuaj yeem ua haujlwm ruaj khov hauv huab cua tsis zoo. Txawm hais tias nws yog nag hnyav, huab cua tuab, lossis hmo ntuj, nws tuaj yeem tswj nws lub peev xwm los ntes cov dav hlau tsis muaj neeg siv thiab ua tiav "24/7" kev saib xyuas tsis muaj kev cuam tshuam.
2. Ntev-Ntev nrug deb: Ceeb toom ntxov kom paub meej lub sij hawm teb txaus
Qhov kev tshawb nrhiav tau zoo ntawm cov xov tooj cua zoo tib yam yog feem ntau nyob rau hauv 3 mais, thaum lub vojvoog tshawb pom ntawm nruab nrab -ntau yam tsis muaj neeg tsav nkoj nrhiav pom radars tuaj yeem ncav cuag 10-50 mais (tshwj xeeb nyob ntawm lub zog radar thiab qhov loj ntawm lub hom phiaj), ua kom muaj kev ceeb toom ntxov ua ntej lub dav hlau tsis muaj neeg tuaj yeem nkag mus rau hauv qhov chaw tswj hwm, muab sijhawm txaus rau kev cuam tshuam, thiab muaj sijhawm txaus. cov txheej txheem. Qhov no yog qhov tshwj xeeb tshaj yog haum rau qhov loj -scale scenarios xws li tshav dav hlau ntshiab airspace cheeb tsam (feem ntau yuav tsum tau ib tug tswj lub vojvoog ntawm 15 kilometers) thiab hauv nroog low-altitude control.
3. Muaj zog tiv thaiv- muaj peev xwm cuam tshuam: Txo cov phiaj xwm tsis tseeb
Rau cov teeb liab cuam tshuam cov cuab yeej uas drones tuaj yeem nqa, lub radar tuaj yeem tiv thaiv electromagnetic cuam tshuam los ntawm cov tswv yim xws li zaus hopping thiab encrypted waveforms; Nyob rau tib lub sijhawm, los ntawm kev ua kom zoo dua lub hom phiaj kev lees paub los ntawm AI algorithms, nws tuaj yeem paub qhov txawv ntawm radar ncha cov yam ntxwv ntawm drones, noog, kites, thiab lwm yam, uas yog "qis, qeeb thiab me" lub hom phiaj, txo qis qhov ceeb toom tsis tseeb - piv txwv li, los ntawm kev txheeb xyuas "radar hla kev ntawm ({2}) CS" feem ntau nruab nrab ntawm 0.01-0.1 square metres, uas yog qhov sib txawv ntawm cov noog (0.001-0.01 square meters) thiab kites (0.1-1 square metres), ua kom pom tseeb lub hom phiaj.
Thib peb, kev siv cov xwm txheej ntawm kev tshawb nrhiav radar thev naus laus zis: npog ntau qhov qis - thaj chaw ruaj ntseg
Los ntawm pej xeem kev nyab xeeb mus rau kev tiv thaiv kev lag luam, radar nrhiav tshuab tau sib sib zog nqus mus rau hauv lub drone xyuas system, dhau los ua "kev ruaj ntseg teeb meem" nyob rau hauv ntau yam scenarios:
1. Tshav dav hlau Clearance Zone: Ua kom muaj kev nyab xeeb ntawm kev ya davhlau
Tshav dav hlau yog siab - thaj chaw muaj kev pheej hmoo rau "dub-heli" drones. Yog hais tias ib tug drone nkag mus rau hauv lub airspace saum lub runway, nws yuav ua rau lub davhlau qeeb lossis txawm tias muaj kev sib tsoo. Tam sim no, feem ntau lub tshav dav hlau loj hauv Suav teb tau siv cov txheej txheem sib xyaw ua ke ntawm theem array radars thiab mem tes Doppler radars, nrog lub vojvoog tshawb pom uas npog thaj tsam ntawm 15-20 mais. Cov kab ke no tuaj yeem saib xyuas cov drones nkag mus rau hauv huab cua hauv lub sijhawm. Tom qab lees paub lub hom phiaj nrog cov khoom siv kho qhov muag-hluav taws xob, nws tuaj yeem ua rau cov neeg ua haujlwm ruaj ntseg hauv av lossis cuam tshuam cov cuab yeej tsav lawv mus, tsis txhob muaj kev cuam tshuam rau kev ua haujlwm davhlau.
2. Lub zog thiab kev thauj mus los Hub: Tiv thaiv kev nkag los ntawm cov tsheb tsis muaj neeg tsav tsheb
Cov chaw siv hluav taws xob xws li cov chaw nres tsheb, cov kab xa hluav taws xob, thiab cov kav dej roj thiab roj, yog tias raug "kaw-kev soj ntsuam ntau" los ntawm cov drones lossis kev cuam tshuam tsis zoo, tuaj yeem ua rau hluav taws xob, xau thiab lwm yam teeb meem kev nyab xeeb. High- cov kab tsheb ciav hlau ceev, cov chaw nres nkoj thiab lwm qhov chaw thauj mus los kuj yuav tsum tau tiv thaiv cov drones los cuam tshuam kev ua haujlwm. Nyob rau hauv cov xwm txheej zoo li no, FMCW radars thiab cov kab ke kev ruaj ntseg ib puag ncig raug xa mus ua ke txhawm rau txheeb xyuas qhov deb li ntawm 1 txog 5 mais. Thaum lub drone los ze zog, lub radar ua rau lub tswb, thiab lub koob yees duab yog ib txhij qhib kom kaw mus rau lub hom phiaj, ua kom yooj yim tuav raws sij hawm los ntawm cov neeg ua haujlwm tu.
3. Cov Txheej Txheem Tseem Ceeb thiab Kev Ruaj Ntseg Hauv Nroog: Tsim kom muaj kev saib xyuas dav dav
Thaum lub sijhawm tseem ceeb xws li kev hais kwv txhiaj, kev sib tw kis las, thiab cov rooj sib tham tseem ceeb, "kev ya davhlau tsis tau tso cai" ntawm cov drones tuaj yeem nqa cov khoom txaus ntshai lossis cuam tshuam qhov kev txiav txim ntawm qhov kev tshwm sim. Nyob rau lub sijhawm no, ntau lub radars theem ua haujlwm tuaj yeem tsim "tsawg- qhov siab saib xyuas network", npog thaj tsam kev tshwm sim thiab ib puag ncig 5-10 mais, thiab taug qab ntau lub hom phiaj drone hauv lub sijhawm. Cov ntaub ntawv yuav raug xa mus rau lub platform hais kom ua tiav tag nrho - txheej txheem kaw- voj ntawm "discovery - ID - taug qab - pov tseg".
Los ntawm cov txheej txheem thev naus laus zis mus rau kev siv tswv yim, radar nrhiav tshuab tau ib txwm nyob ntawm "forefront" ntawm qis - qhov siab tiv thaiv kev ruaj ntseg. Nrog rau kev txhim kho txuas ntxiv ntawm drone thev naus laus zis, radar tshawb nrhiav thev naus laus zis kuj tseem yuav hloov kho tshiab, muab kev lees paub ntau ntxiv rau kev tiv thaiv qis - qhov siab ruaj ntseg thiab tswj kev ya davhlau xaj ntawm drones. Ua rau "lub qhov muag ntuj" ob qho tib si deb- pom thiab raug, nws dhau los ua "tus neeg saib xyuas" ntawm qis- qhov siab ruaj ntseg. Qhov no kuj yog cov kev taw qhia ntawm peb kev tshawb fawb thiab kev loj hlob tas li thiab lub hauv paus rau kev ua ib qho kev lag luam benchmark. Peb yuav niaj hnub tshawb nrhiav txoj hauv kev tshiab, ntxiv dag zog rau kev siv thev naus laus zis, xyuas kom meej tias qhov qis- qhov siab tiv thaiv qhov siab ua tiav ntau dua, thiab muab kev ntseeg siab qis - qhov siab qhov siab kev nyab xeeb rau cov neeg siv thoob ntiaj teb.
Peb yog ibTuam Tshoj chaw tsim tshuaj paus tshwj xeeb hauv kev cai -ua mem tes Doppler radar unmanned aerial tsheb (UAV) nrhiav tshuab. Peb muab ntau yamradar nrhiav kev daws teeb meemrau koj xaiv los ntawm. Yog tias koj muaj kev xav tau, thov hu rau peb ntawm info@alasartech-security.com.
