
praadhamika radar

oru vaidyuthakaanthika tharamgam upayogichu sthalathinte valiyoru bhagam prakashippikkukayum aaa sthalathinullile lakshyangalil ninnu prathifalikkunna tharamgangal thirike sweekarikkukayum cheiyunna oru parambaraagatha radar sensaraanu primery radar (pii. ezz. aarr primery survilance radar). athinaal eee padam sahakaranarahita lakshyangal kandethunnathinum praadeshikavalkkarikkunnathu upayogikkunna oru radar samvidaanathe soochippikkunnu. taargettinte transponderil ninnu adhika vivarangal labhikkuna dvitheeya radaarin ethiraaya eyar traaphik niyanthrana mekhalaykku ithu prathyekamaanu.
itharathilulla radar kuranja lamba resolutionulla aantina upayogikkunnu, pakshe nalla thirashcheena resolutionaan. ithu otta uyara koniloode saittin chuttum 360 digri vegathil scan cheiyunnu. athinaal ithinu lakshyathinte dooravum radial vegathayum nalla krithyathayode nalkaan kazhiyum, ennaal lamba sthaanavum yadhaartha vegathayum labhikkunnathin palappozhum onno athiladhikamo radaarukal aavasyamaanu.
praadhamika radaarinte gunangal lakshyamidunnathinu vimaanathil oonn-board upakaranangal aavasyamillennathum nilathu vaahanangalude chalanam nireekshikkaan ithu upayogikkaam ennathaanu. lakshyavum uyaravum nerittu thirichariyaan kazhiyilla ennathaanu poraaymakal. koodaathe, athinte vyaapthi parimithappedutthunna sakthamaaya udvamanam ithinu aavasyamaanu.
vivaranam.
praadhamika radar pravartthanam ekkolokkeshan thathwathe adisthaanamaakkiyullathaanu. radar aantina purappeduvikkunna uyarnna oorjjathinte vaidyuthakaanthika pulsukal prakaashatthinte vegathayil (300,000 kilometer/seey) vyaapikkunna oru idungiya tharamgamukhamaayi parivartthanam cheyyappedunnu. ithu vimanam prathifalippikkukayum thudarnnu swantham achuthandil karangunna aantina veendum edukkukayum cheiyunnu. transponder undo illayo ennathu pariganikkathe thanne ellah vimaanangaleyum thiranjedukkaathe oru praadhamika radar kandethunnu.
oopparettar eathu prathiphalanatthil ninnum prathidhwani kelkkunnu. athinaal, ithu 360° idam ulkkollunna transmission/lissoning thudarchayaayi nadathunnu. athinaal, praadhamika radar pravartthanangal upayogapradamaaya signal thirichariyunnathiloode oru lakshyathinte saannidhyam undengil sthaanam kandethunnathinum alakkunnathinum kaaranamaakunnu.
oru praadhamika radar alavil iva ulppedunnu 
oru radar lamba prathalatthile naalilonn vrithathil oru parakkunna vasthuvine kandethunnundenn parayaam, pakshe athu oru phaan-beam aantina upayogikkukayaanenkil athinte uyaram krithyamaayi arian kazhiyilla. eee saahacharyathil niravadhi radaarukalude trikonatthiloode eee vivarangal labhikkanam. ennirunnaalum, oru 3dii radar upayogichu eee daatta labhikkunnath onnukil oru kosekant square paatten upayogicho allengil oru pensil beam upayogichu onniladhikam konukalil scanning cheytho aanu.
upayogam.
radaarinte drutha yudhakaala vikasanathinu eyar traaphik niyanthranathinu (eiii. tii. sii) vyakthamaaya prayogangal undaayirunnu, ithu eyar traaphik swabhaavathinte thudarchayaaya nireekshanam nalkunnathinulla oru margamaayirunnu. vimaanangalude sthaanangalekkurichulla krithyamaaya arivu saadhaarana nadapadikrama verthirikkal maanadandangal kuraykkaan anuvadikkum, ithu airways sisttathinte karyakshamathayil ganyamaaya vardhanavu vaagdaanam cheythu.
itharathilulla radaarin (ippol "primery radar" ennu vilikkunnu) athinte roopakalppana, vimanam, pakshikal, kaalavastha, karaa savisheshathakal ennivayulppede prakshepanam cheiyunna radio signalukale prathifalippikkunna enthum kandethaanum report cheyyaanum kazhiyum. vimana gathagatha niyanthrana aavasyangalkkaayi ithu oru nettavum doshavumaanu. athinte lakshyangal sahakarikkendathilla, avaa athinte paridhikkullil aayirikkukayum radio tharamgangale prathifalippikkaan kazhiyukayum venam, pakshe athu lakshyangalude sthaanam maathrame soochippikkunnulloo, athu avaye thirichariyunnilla.
praadhamika radar mathramaayirunnu labhyamaya radar, prathyeka vimanangalumaayi vyakthigatha radar rittenukalude parasparabandham saadhaaranayaayi vimanam oru dishaabodham nireekshikkunna kantrolar nediyedutthu. praadhamika radar ippozhum dvitheeya radaarilekkulla oru backup/pooraka samvidaanamaayi upayogikkunnu, ennirunnaalum athinte coverage vivarangalum kooduthal parimithamaanu.
chattangal.
anthaaraashtra telecommunication yooniyante (aii. tii. yuu) ittu radio regulations (aarr. aarr. aarr) leeii "article <aii. dii. 1>" anusarichu oru "radar" nirvachichirikkunnathu 

