
radar tracker

ore lakshyathinte thudarchayaaya radar nireekshanangale tracukalumaayi bandhappeduthunna oru radar sisttathinte allengil anubandha command aandu kantrol (sii2) sisttathinte oru gadakamaanu radar tracker. radar samvidaanam niravadhi vyathyastha lakshyangalil ninnulla daatta report cheiyumbozho allengil niravadhi vyathyastha radaarukalil ninno mattu censorukalil ninno daatta samyojippikkendathu aavasyamullappozho ithu prathyekichum upayogapradamaanu.
radar trackerinte punk.
oru classical karangunna eyar survilance radar samvidaanam shabdathinte pashchaathalatthil taargett prathidhwanikkunnathaayi kandethunnu. lakshyathinte vyapthiyeyum bhaaratheyum prathinidheekarikkunna dhruva kordinettukalil eee kandethalukal (plottukal ennariyappedunnu) ithu report cheiyunnu. koodaathe, radar reseaverile shabdam idaykkide radaarinte sthiramaaya thettaaya alaram rettu dittaktarinte kandethal paridhi kaviyukayum lakshyangalayi thettayi report cheyyukayum cheyyum (thettaaya alaarangal ennariyappedunnu). radar trackerinte punk radar sisttathil ninnulla thudarchayaaya apdettukal nireekshikkuka (aantina karangumbol saadhaaranayaayi oro kurachu secondilum sambhavikkunnu), thettaaya alaarangal ennu vishwasikkunna eathenkilum plottukal nirasikkumbol ore lakshyathilpetta plottukalude aaa sequenceukal nirnnayikkuka ennathaanu. koodaathe, radar trackerinu lakshyathinte nilavile vegathayum thalavum kanakkakkaan plottukalude kramam upayogikkaan kazhiyum. niravadhi lakshyangal undaakumbol, radar tracker oro lakshythinum oru track nalkaan lakshyamidunnu, track histtari palappozhum lakshyam evide ninnaan vannathennu soochippikkaan upayogikkunnu.
onniladhikam radar samvidaanangal orotta reporting posttumaayi bandhippikkumbol, ellah radaarukalil ninnumulla apdettukal nireekshikkaanum kandethalukalude samyojanathil ninnu trackukal roopappeduthaanum oru multy radar tracker palappozhum upayogikkunnu. eee krameekaranatthil, trackukal kanakkakkaan kooduthal dittakshanukal upayogikkamennathinaal, trackukal palappozhum orotta radaarukalil ninnu roopappedunnathinekkaal krithyamaanu.
plottukale bandhappedutthuka, thettaaya alaarangal nirasikkuka, thalakettum vegathayum kanakkaakkuka ennivaykku purame, radar tracker oru filteraayum pravartthikkunnu, athil vyakthigatha radar alavukalile pishakukal sugamamakkunnu. saaraamshathil, radar tracker report cheytha plottukalil sugamamaya oru vakrathinu anuyojyamaanu, shariyaayi cheythaal, radar samvidaanathinte mothatthilulla krithyatha vardhippikkaan kazhiyum.
multisensor tracker multirador tracker enna ashayam vipuleekarikkukayum vividha tharatthilulla censorukalil ninnulla reportukalude samyojanam anuvadikkukayum cheiyunnu-saadhaaranayaayi radaarukal, secondary survilance radaarukal (ssr), identification frond allengil phoy (iff) sisttangal, electronic support meshers (esm) daatta.
oru radar trackle saadhaaranayaayi inipparayunna vivarangal adangiyirikkum
koodaathe, aaplikkeshan allengil tracker sankeernathaye aashrayich, trackle inipparayunnava ulppedum
pothuvaaya sameepanam.
vividha thalatthilulla sankeernathayude radar tracker nadappilakkaan niravadhi vyathyastha ganithashaasthra algorithangal upayogikkunnu. ennirunnaalum, radar update cheiyumbozhellaam avayellaam inipparayunnathinu samanamaaya gattangal nirvahikkunnu
orupakshe ettavum pradhanappetta ghattam puthiya plottukal upayogichu trackukal update cheyyuka ennathaanu. ellah trackerukalum eee ghattathil inipparayunnava ulppede niravadhi gadakangal parokshamaayo vyakthamaayo kanakkiledukkum
eee vivarangal upayogichu, radaaril ninnu report cheyyappetta nilavile sthaanathinte (anjjaatha pishakukalulla) sharashari bharavum trackeril ninnu lakshyathinte avasaanathe pravachicha sthaanavum (anjjaatha pishakukalulla) roopappeduthi track update cheyyaan radar tracker shramikkunnu. pravachanatheethamaaya chalanangalulla lakshyangalkk tracking prashnam prathyekichum budhimuttaakkunnu (i.iii. anjjaatha taargett chalana modalukal), gausiyan allatha alaveduppu allengil model pishakukal, alanna alavukalum aavasyamulla taargett kordinettukalum thammilulla noonn-leanier bandhangal, samaanamaayi vitharanam cheyyaatha kramarahithamaya avasthayude saannidhyathil kandethal, kandethalukal allengil thettaaya alaarangal enniva. yadhaartha lokath, oru radar tracker saadhaaranayaayi eee efakttukalude samyojanathe abhimukeekarikkunnu; ithu prashnam pariharikkunnathinulla kooduthal sankeernamaaya algorithangalude vikasanathilekku nayichu. thalsamayam radar trackukal roopappeduthendathinte aavasyakatha kaaranam, saadhaaranayaayi oresamayam noorukanakkinu lakshyangalkkayi, radar tracking algorithangalude vinyaasam saadhaaranayaayi labhyamaya computational power parimithappedutthiyirikku.
association track cheyyaan aasoothranam cheyyuka.
prosessinghinte eee ghattathil, eathu trackukal update cheyyaan eathu plottukal upayogikkanamennu nirnnayikkaan radar tracker shramikkunnu. pala sameepanagalilum, oru track update cheyyaan maathrame thannirikkunna plott upayogikkaan kazhiyoo. ennirunnaalum, mattu sameepanagalil, plott eathu trackilaanennu ariyunnathile anishchithathvam thirichariyunna niravadhi trackukal update cheyyaan oru plott upayogikkaam. eathuvidhenayum, ettavum puthiya samsthaana esttimettinte adisthaanathil (udha.jii. sthaanam, thalakkett, vegatha, thvaranam muthalaayava.), anumaanikkappedunna taargett moshan model (udha.jii. sthiramaaya vegatha, sthiramaaya thvaranam muthalaayava.). esttimettukal update cheythukazhinjaal, plottukale tracukalumaayi bandhappedutthaan sramikkaam.
ithu pala tharatthil cheyyaam
oru track oru plottumaayi bandhappettukazhinjaal, athu track smoothing ghattathilekku neengunnu, avide track pravachanavum anubandha plot samyojippichu lakshyasthaanathekkurichu puthiyathum sugamavumaaya kanakk nalkunnu.
eee prakriya poortthiyaakkiyaal, niravadhi plottukal nilavilulla tracukalumaayi bandhappedutthaathe thudarum, koodaathe niravadhi trackukal apdettukalillaathe thudarum. ithu track aarambikkunnathinum track attakuttappanikalkkum kaaranamaakunnu.
track arambham.
bandhamillaattha radar plottil ninnu oru puthiya radar track srishtikkunna prakriyayaan track iniishyeshan. tracker aadyam oonaakkumbol, ellah prarambha radar plottukalum puthiya trackukal srishtikkaan upayogikkunnu, ennaal tracker pravarthichukazhinjaal, nilavilulla track update cheyyaan kazhiyaatha plottukal maathrame puthiya trackukal srishtikkaan upayogikkoo. thudarnnulla radar apdettukalil ninnulla plottukal puthiya tracumaayi vijayakaramaayi bandhappeduthunnathuvare saadhaaranayaayi oru puthiya trackinu thaalkkaalika padavi nalkunnu. thaalkkaalika trackukal oopparettarkku kanikkunnilla, athinaal avaa thettaaya trackukal screenil prathyakshappedunnathu thadayunnathinulla oru maarggam nalkunnu-oru trackinte aadya reportingil kurachu kaalathamasam varuthunnathinte chelavil. niravadhi apdettukal labhichukazhinjaal, track sthireekarikkukayum oopparettarkku pradarshippikkukayum cheiyunnu. sthireekarikkappetta trackilake oru thaalkkaalika track prolsaahippikkunnathi ettavum saadhaaranamaaya maanadandam "emm-oof-enn niyamam" aanu, ithu avasaanathe enn radar apdettukalil, kuranjathu emm plottukalenkilum thaalkkaalika tracumaayi bandhappettirikkanam-emm = 3 umm enn = 5 umm saadhaarana moolyangalaanu. kooduthal sankeernamaaya sameepanagal oru stattistikkal sameepanam upayogichekkaam, athil oru track, udaaharanathinu, athinte coverians matricks oru nischitha valuppathilekku veezhumbol sthireekarikkappedunnu.
track attakuttappanikal.
oru trackinte ayuss avasaanippikkanamo vendayo ennathinekkurichu theerumaanamedukkunna prakriyayaan track attakuttappanikal. association ghattam tracucheyyunnathinulla plottil oru track oru plottumaayi bandhappettirunnillen, lakshyam inii nilanilkkathirikkaanulla saadhyathayund (udaaharanathinu, oru vimanam land cheythirikkaam allengil radar kavaril ninnu parannupoyirikkaam). pakaram, aaa apdettil radar lakshyam kaanunnathil paraajayappettekkamenna saadhyathayundengilum adutha apdettil athu veendum kandethanakum. oru track avasaanippikkanamo vendayo ennu theerumaanikkunnathinulla saadhaarana sameepanagalil iva ulppedunnu
track smoothing.
eee pradhana ghattathil, ettavum puthiya track pravachanam anubandha plottumaayi samyojippichu taargett avasthayekkurichu puthiyathum mechappettathumaaya oru esttimettum eee pravachanatthile pishakukalude puthukkiya esttimettum nalkunnu. eee prakriyaykkayi upayogikkaan kazhiyunna vyathyastha sankeernathayudeyum computational lodinteyum vaividhyamaarnna algorithangalundu.
alfa-beetta tracker.
oru alfa beetta philttar upayogichu oru aadyakaala tracking sameepanam, athu nischitha covarians pishakukalum trackukal update cheiyunnathinu sthiramaaya vegathayulla, noonn-manuvering taargett modalum anumaanikkunnu.
kalman filter.
kalman filterinte punk nilavilulla ariyappedunna avastha edukkuka ennathaanu (i.iii. lakshyathinte sthaanam, thala, vegatha, orupakshe thvaranam) ettavum puthiya radar alaveduppinte samayat lakshyathinte puthiya avastha pravachikkuka. eee pravachanam nadathumbol, athu athinte swantham anishchithathvathekkurichu (athaayath.iii. eee pravachanatthil) pishakukal. radaarinte ariyappedunna alaveduppu pishakukalum taargett chalana modalukalile swantham anishchithathvavum kanakkileduthu ithu eee avasthayude pravachanathinteyum avasthayude ettavum puthiya alaveduppudeyum bharamullah sharashari roopappeduthunnu. oduvil, samsthaana esttimettinekkurichu anishchithathvathekkurichu esttimettu update cheiyunnu. kalman filterinte ganithashaasthrathile oru pradhana anumaanam alaveduppu samavaakyangalaan (i.iii. radar alavukalum taargett avasthayum thammilulla bandhavum samsthaana samavaakyangalum (i.iii. nilavile avasthaye adisthaanamaakki bhaaviyile avastha pravachikkunnathinulla samavaakyangal) rekheeyamaanu.
radaarinte alaveduppil pishakukalum athinte taargett moshan modelle pishakukalum athinte avasthayude kanakkile pishakukalum ariyappedunna koveriyansumaayi poojyamaanu ennu kalman filter anumaanikkunnu. ithinartham pishakukalude eee srothassukalellaam oru covarians matricks upayogichu prathinideekarikkaan kazhiyum ennaanu. athinaal kalman filterinte ganitham eee covarians maatriksukal pracharippikkunnathilum pravachanathinteyum alavinteyum bharamullah thuka roopappeduthunnathinu avaa upayogikkunnathilum bandhappettirikkunnu.
taargett chalanam adisthaana modalumaayi nannayi poruthappedunna saahacharyangalil, kalman filter athinte swantham pravachanagalil "amita aathmavishwaasam" pulartthukayum radar alavukal avaganikkaan thudangukayum cheiyunnu. lakshyam pinneedu thanthrangal pinthudarukayaanenkil, filter thanthrangal pinthudarunnathil parajayappedum. athinaal ithu thadayunnathinaayi oro apdettilum stettu esttimettu covarians maatriksinte vyaapthi ekapaksheeyamaayi vardhippikkunnathu filter nadappilaakkumbol saadhaaranamaanu.
multiple hypothesis tracker (emm. echu. tii).
oro apdettilum onniladhikam plottukal upayogichu update cheyyaan emm. echu. tii anuvadikkunnu, ithu saadhyamaaya onniladhikam trackukal srishtikkunnu. oro radar apdettum labhikkunnathinaal oro puthiya apdettinodoppam saadhyamaaya ellah traakkukalum update cheyyaan kazhiyum. kaalakramena, track saadhyamaaya niravadhi dishakalilekku shaakhakal cheiyunnu. emm. echu. tii. oro saadhyathayulla trackinteyum saadhyatha kanakkaakkukayum saadhaaranayaayi ellah tracukalilum ettavum saadhyathayullava maathrame report cheiyukayulloo. parimithamaaya computer memory, computational power ennivayude kaaranangalal, saadhyathayillaatha track apdettukal illaathaakkunnathinulla chila sameepanam emm. echu. tii saadhaaranayaayi ulkkollunnu. saadhyathayulla ellah track apdettukalum pariganikkunnathinaal taargett moshan model valare pravachanatheethamaaya saahacharyangalkkaan emm. echu. tii roopakalppana cheythirikkunnathu. ekkaaranathaal, airbone graundu survilance (ags) samvidaanangalile graundu taargett tracking prashnangalkk ithu janapriyamaan.
onniladhikam modalukal (aii. emm. emm) thammil edapedunnu.
emm. echu. tii. allengil jeey. pii. dii. eiii. eph. ennivaykku upayogikkaan kazhiyunna oru esttimettaanu iii. emm. emm. samaantharamaayi pravartthikkunna rando athiladhikamo kalman filterukal imm upayogikkunnu, oronnum taargett chalanatthino pishakukalkko vyathyastha model upayogikkunnu. ellah filterukaludeyum aouttputtinte opttimal waited thuka roopappeduthunna emminu taargett maanuvarukalumayi vegathil krameekarikkaan kazhiyum.
emm. echu. tii allengil jeey. pii. dii. eph association track attakuttappanikalum kaikaaryam cheyyumbol, lakshyasthaanathinte filter cheytha esttimettu labhikkunnathin emm. echu. tii allengil jeey. pii. dii. ephine oru iii. emm sahayikkunnu.
nonleeniyar tracking algorithangal.
noonn-leanier tracking algorithangal anthima track kordinettukalumaayi alavukalkku noonn-leanier bandhamullah saahacharyathe neridaan noonn-leanier filter upayogikkunnu, pishakukal gausiyan allathatho chalana update model noonn-leanier aayato aanu. ettavum saadhaaranamaaya noonn-leanier filterukal ivayaanu
extended kalman filter (iii. keey. eph).
radar alavukalum track kordinettukalum, allengil track kordinettukalum chalana modalum thammilulla bandham noonn-leanier aaya saahacharyangale neridunnathinulla kalman filterinte vipuleekaranamaanu iii. keey. eph. eee saahacharyathil, alavukalum avasthayum thammilulla bandham h = f (x) roopathilaanu (ivide h alavukalude vector aanu, x taargett avasthayum f (aanu.) iva randum bandhapetta pravarthanamaanu). athupole, bhaaviyile avasthayum nilavile avasthayum thammilulla bandham x (t + 1) = g (x (t)) roopathilaanu (ivide x (t) ennathu t, g (samayathile avasthayaanu.) bhaavi avastha pravachikkunna pravarthanamaanu). eee noonn-linearitykal kaikaaryam cheiyunnathinu, tailor seereesinte aadya padam upayogichu rund noonn-leanier samavaakyangale ikaf linearise cheyyukayum thudarnnu prashnathe staanderd leanier kalman filter prashnamaayi kanakkaakkukayum cheiyunnu. ashayaparamaayi lalithamaanengilum, filterinu eluppathil verthirikkaan kazhiyum (i.iii. samavaakyangal rekheeyamaakkiya samsthaana kanakk moshamaanengil kramena kooduthal moshamaayi pravartthikkunnu).
sugandhamillaatha kalman filter kanika filterukalum samavaakyangal rekheeyamaakkunna prashnam marikadakkaanulla sramangalaanu.
sugandhamillaatha kalman filter (yuu. keey. eph).
alavinteyum avasthayudeyum samavaakyangal rekheeyamaakkendathinte aavasyakatha neekkam cheythukondu ukf ekfil mechappeduthaan shramikkunnu. sigma pooyintukal ennu vilikkunna oru koottam pooyintukalude roopathil sharashari, covarians vivarangal prathinidheekarikkunnathi ithu linearisation ozhivaakkunnu. nirddishta sharashariyum covarians ulla oru vitharanathe prathinidheekarikkunna eee pooyintukal pinneedu noonn-leanier samavaakyangaliloode nerittu pracharippikkukayum thathfalamaayundaakunna anchu update cheytha saambilukal oru puthiya sharashariyum vyathyasavum kanakkakkaan upayogikkukayum cheiyunnu. eee sameepanam mosham linearisation kaaranam vyathichalanathinte prasnangalonnum anubavikkunnilla, ennittum iii. keey. ephinte mothatthilulla computational laalithyam nilanirthunnu.
kanika filter.
kanika filter yuu. keey. ephinte saamaanyavalkkaranamaayi kanakkakkaam. filterile pishakukalude vitharanathekkurichu ithu oru anumaanavum nadathunnilla, koodaathe samavaakyangal rekheeyamaayirikkenda aavasyavumilla. pakaram ithu dhaaraalam kramarahithamaya pottensial avasthakal ("kanikakal") srishtikkukayum thudarnnu eee "kanangalude megham" samavaakyangaliloode pracharippikkukayum cheiyunnu, athinte falamaayi aouttputtil kanangalude vyathyastha vitharanam undaakunnu. kanangalude thathfalamaayundaakunna vitharanam oru sharashari allengil vyathiyaanam kanakkakkaan upayogikkaam, allengil mattethenkilum sthithivivarakkanakku alavu aavasyamaanu. thathfalamaayundaakunna sthithivivarakkanakkukal adutha aavarthanathinaayi kanangalude kramarahithamaya sample srishtikkaan upayogikkunnu. multy model vitharanangal kaikaaryam cheyyaanulla kazhivil kanika filter sradheyamaanu (i.iii. pii. dii. ephil onniladhikam peekkukal ulla vitharanangal). ennirunnaalum, ithu computational thalatthil valare theevramaanu, nilavil mikka yadhaartha loka, thalsamaya aaplikkeshanukalkkum anuyojyamalla.

