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Antenna Lecture Notes-7

Antenna theory

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0% found this document useful (0 votes)
67 views22 pages

Antenna Lecture Notes-7

Antenna theory

Uploaded by

saipanduk3
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Stora dey i iertz aud zh Tit moe , we investigated Monopole aun Inada ee hast) eee Ls reese antennas have broad radiating benme & tence (ow Aivectivity. => For Gmakieg the Radiation pattern crarrowes ire ine the Sivcctvity oe ‘anvettgated inawr -dipole chsennas of file length ds te cincrence he lenge of duck antenneds beam tyidth becomes marrowet but at She dane ime toe the Radiation patton goto omadified cin an Undiatralle fashion de hax — home — stint He —esercinel ole Comparing A & 2d —Riole defers \ \ A) V—\ win on \ Uses ' ; | cy, Dipole A-vipele. Disectivity 6A ‘Preeti wah > Ullto, we note that pred lente of She chbenra She eee lpton ants UMMM a we Comnst Skrounicaiy Change, She Soodiation paktern | @ 7 idem allesd ug 40 dieamicilly Cange, the en Apecally che Grein-lobe eh she odenna. stn a. Asaired direction. "Bin Jpreat of nga, a crestor of onan ee dntenre. dn Gilad “Beary - sheng => Uae Conteling che Aadiatin pattem by charging Se: length, che tourinet Impedance, of; dhe uditenma, ote] lense) ahve stcally (+ zn Sao) Coat sete - Mis Will lead to Impedance mit-rmatch with she es Jecting Transmission Une (tracy Crenivg igsue Gn Power Gupling )- 7 Sates Nery cher te ding an chdenna SKuetiie what (Pavide o deeineet Faiiation fosHern- => ore area ink, atom Fovener “Tromaferm a we Gr Sealige he carved Aadiation pattem by RP ® thgenna. ae —— E ing tha, Apetiad CwrSarte 3h ik he redenion of, Corelling Aichibution presiteta: : ellomont, excitid > & Jy a Goblastion of basic Use, Vollages & currents having definite ampli Prare Aelationship, TTGially Whsse clamerty Ore WardiGl becoure. > having moncidentica? elements clato met Provide any odtontage \damntica) elements Qrrides Some impedance & Tadiadion Cheractestic toe it» ena, do davgnl Tn faxed a Te ca Genasak donor Confjquiation THe terminal cuntantt DoD, .-.ete are Gmplex Ge ditfgunt anfemas have di euthont Oonpihitudoy & Relative pares) dy tha Ladiasion qe cu Prpettional So cursent Tt, Ae tet ean ete Can hn be, Obtained by Sha _Auberbstition of whe dota of he. Sundinidnall elomentt: TL @ annume dha elomanty donot =) &y we Bay corey analysis > is i Sampak opech pte be cht that Sa nat Amol 7 oh) 5) wecotion a antenna elements Ms ce kernals CAO SSeS aaa SE ® a etd dur cto Aadinter | in given by & Kael! oder Yr kk Consient ushich dopendy upon she vradiom parameteal Ha Ald due fo Sodiator 2 is aver oy Cee eee fees (Hae) as “4c < Ce etaeronene edtlont Fiitod Clectie get of pnt p Ja given oy Auta E= Gree cape ot = et ot er wot” (ah eel eee patton Ga be Colsd boy ae Ailing Paamaion § | wd 3 (png be clemott wat 4) Wy voc (eetdve bene) Gy Taf (voste ameltodas Bak uy lok, ok ~Ham ore Oy OE! 3) Se Hate clei alsa ia Acumetiont > S22), yeaet a eS Kore 4 lel = Ikezl live of, cannants) A yond Gab ofoen, it 4 ie), O4oj] Armee B+ IAG = © ea mae = 28 ( ea 15 oman aoa Sl Tay Vooyag G > AKL civecion gf roninor radiosion “Gee be varied: C) Foe 820 (2elemant are Sutted Lith eopal proses) Bax = GEO = Ts ag W) for B= 1 dean tens @t(-% By) = OCH) ae = Aadiation oh Nubly Occur shin Miniraum Td Gs Gout a(t ame = 0; integel. os NT , Nubh t Disectin ¢{ Nu © Marimum Radiation Appear. woe ne null rea ma sence, Rodiction pattern is Split on Ongula&e Zonal dren = OOM) MER Ee man Va. WM ded x [i = el FG dau = Ka Fast — ee - |) boas wali -~ NO Nuts Nudla TQ Grdvu ae 2 Buy = 0,7 48 Cp oe ean Qn Gd aza me A ve -m=o,1 aA Yan = Gei(m) = T 10 N= L aes =} Nu Ted = (ML QF Cb dry = (maar Cbs = L (wrt) W) ¢ ' : Henk of sbeapitude to (T4) (el= [ex es oeemeant| ea Com vary from 0 to 00 na oseelN On 0 = ME No extilation in Second clement cram ob =o Da => No excitation in ttt element Mactinnom asian elfeek Jk realized Uskan =, aa eee Ba Cet: 6 Py Contolling OM 2 feramaters ore Gon Reals, Aarized Ladiosion pattern oy any Hist Co Le ay Kh che abeue digcustion , We Considated the badic seal Lemont to be ‘eettapic- Yue due Aadiation -poitern for each of dindividun) elomet be giver an fib): | 4 TK eleckic qe abo aferraony point P ue de tu elumonkt Gn ba Vitter ag i Two a= Kner” 44) “le yr tS . Bae amd) 4 a bates £8) Tet Ge ak pone pe gion y a E> Ete > et é THEE Rediotion poston ia giver by: [EJ= |egarerdl ely | = jazece (Beds) Mase dads ig ansumed to be along $70 ae Ten uth in Olng $= 7 p. ut geo PA@Pts — z pasto =o Aeget > PARSE = ET — pats oan eh dso Cnyna © 7 Se ta frcvious Aortion , we Ktedied 2-elomen$ lahore We Vaxied the (4) sate cto eb tin Olerived pace tt Generally (ae Kept behscor cl & A te “Keep che oltizy Age Aearecble © olao it 14 Met “ieeceey Ko once. the J aed Roches re ea once. Ne i Tin) new lave: qe ete oe pe : > oy : Amgpiiricle Sotto @ Relatva phase tir 4s Conte} thea RP- —> But Here tov paraneteus prvide Dinaits, Cottet on ap if ctw of Cfamanti eas Gorey 40 Sinoll: > "Te Arslize Complex RP, we Con 4 > of ne Guinn He element ebivey (ei) cunsert faties EL) Tees & (wo) Aocies blo the clomonty- SRT iin qpevriaes amancimum Cortiof Ove — patos > bith once a Conttef u the electeric. — Cineustry oo a a Hee vex Complex for dived RP 102 *Y fo ~eep She Castel fosonstas ob a Oninimom . —> ‘tus, te ag io cantly Cepist the, a omglitode ns itd a 2 diff blo ad elemerts so Whee ene 5 Gr on bie) ao Called - “Lif eae an Oe OLA - oA abysin | isotwepic, egpi-tpaced eLemnantt ie eae come = bv ive. phase prase diffs 6 q Be. af hag): > Fined ee ied dus do fone KH element would be eee ie [k-1) (pa ord +6) Ke &1,2,--N€ Ex , aie gh. _ ltt (é te a 2B Ne Ene ot See Sint) ee pumcten — Sin (P) el = \ed | Salo) (Gh= ? We ged Eh =|Nl @ Normalized E] wrt he maw gietd —> Nebnaliagd Radiation fo [Sa Ne) r N | inl) Ly peo Y= pdeorgit & =? CA bmae = Com. broadly Chosrity Whe arrays based ov QO Ere -dive => Mex Nata (e= eet-D dong oe (re be.) ; : as we Fadiadion @ cwensrpdp mg Ne ce Ue (we paces) axa da geoul > Pe pda Paes. = pd (org Ghee) conte all Srclemont obra (Onfern) her | Apocing dood OT ead acca Fad RP, divection ot aa Aodiation mast) aS We BODIES) + Ao’ ys ot Grpt Hox rnd 196 Naralzel Rp (el =1 N Sin) mes; jel= 4, | SO) ° Vem) Gin (VSM GAG + 5M0 ) he (oan ap +%4 ) ee 5 B Sin ~ro For pmax 9 OST Game TMT > 0 [go ie sacl (4) = My

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