# HW1 - Extract Approximate @ (a) dﬂzsinQdeqﬁ 1T 1? 71'...

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Unformatted text preview: Extract Approximate @ (a) dﬂzsinQdeqﬁ 1T 1? 71' 11' 60° 60° wr/B rr/a ' 9A _ (E _ Z) (-3— — 5) 45° 3 0 7r 4 1r 6 r: w - = — we. 12 6 72 «('3 (_ cos '9) 9A 0.13708 sterads I fr/4 17/6 9A 2 g — (—0.5 + 0.866) _ z 450 (degrees)2 or error of “Ir 450 — 314.5585 — . z . 2 1: —---—-—-——~ v {0 366) 0 0958 s erads ( 314.5585 ) x 100 j — 14.5585 (degrees)2 @ we =cos?(2a} ) “(615): 0.5 = c052(26h) :~ 9;, = %cos_1(0.5)1/2 = 22.5°' 71' ~ '=> 9}, = 2(22.5°) 45° = — rads I “(97%) = 0 : 00529971) 3* 9n = %c03_1(0) = 45° :9” =2(4s°) 2-5. Using the results of Problem 2-4 and a. nonlinear solver to ﬁnd the half power beamwidth of the radiation intensity represented by the transcentendal functions, we have that: HPBW = 138.668": 0 .6?4 8&- \$135 0 U=c056cos 39 2:» © ( ) :FNBW = 50° =T§{3= juozni Tack; { H)U=sin295in¢ for US9\$1130\$¢\$¢T Ulmax = 1 and it occurs when 6 = (é = «[2. Pm =/ fﬁUsinﬂdﬁ =f sinqb fainaadeﬂ 3— =3. d D D (it? 0 dqh 0 5 =>Do = HPBW (31.) ,HPBW (3.2.) (Whee - age. wear genome?) 30 = Prob1em 2.11Cd) The 1ower bound of theta in degrees The upper bound of theta in degrees Input parameters: I! [I 180 The 1ower bound of phi in degrees = 0 The upper bound of phi in degrees = 180 Output parameters: Radiated power (watts) = 2.666 Directivity (dimension1ess = 7125 Directivity (d3) = .732 Page 1 ...
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## This note was uploaded on 11/01/2009 for the course EEE 443 taught by Professor Balanis during the Spring '08 term at ASU.

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HW1 - Extract Approximate @ (a) dﬂzsinQdeqﬁ 1T 1? 71'...

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