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Fundamentals of applied electromagnetics
Ulaby, Fawwaz T
- ISBN:9780132139311
- ISBN:0132139316
- Call Number : QC 760 .U49 2010
- Main Entry: Ulaby, Fawwaz T (Fawwaz Tayssir), 1943-
- Title:Fundamentals of applied electromagnetics [electronic resource] / Fawwaz T. Ulaby, Eric Michielssen, Umberto Ravaioli.
- Portion of title: Applied electromagnetics
- Edition:6th ed.
- Publisher:Boston : Prentice Hall, 2010.
- Physical Description:xii, 498 p. : ill. (some col.) ; 25 cm
- Notes:Includes bibliographical references and index
- Subject:Electromagnetism.
- Subject:Electromagnetism -- Industrial applications.
- Added Entry:Michielssen, Eric.
- Added Entry:Ravaioli, Umberto.
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- A x (B x C) = B(A . C) - C(A x B)
- A . (B x C) = B . (C x A) = C . (A x B)
- SOME USEFUL VECTOR IDENTITIES
- A . B = A B cos e A B
- V(U + V) = VU + VV
- VevV) = UVV + VVU
- v . (A + B) = V . A + V . B
- V . evA) = UV· A + A· VU
- V x (U A) = UV x A + VU x A
- V x (A + B) = V x A + V x B
- V· (A x B) = B· (V x A) - A . (V x B)
- V . (V x A) = 0
- VxVV=O
- V x V x A = V(V . A) - V2A
- / (V . A) dv = fA. ds
- / (V x A) . ds = fA. dl
- s c
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- CHt\PTER I INTRODUCTION: WAVES AND PHASORS
- RADIO SERVICES COLOR LEGEND
- a I I'!I I H' a I I a~ I: I, ::~ :
- I I I In I ~II I I,
- FREQUENCY
- , 'I
- HF
- MF
- VLF
- VHF
- UNITED
- -+2
- UHF
- ••• ' • r I I I!' • 1 liD I • I '
- • : ' 01 D "I, ~. II I i I " • n
- ' • • . 'I f'" I ' '~ : , t:I ,I I "
- SHF
- i . ~~! R I :fri II lui n ~ ~
- , . W.h I n M , ,.0 U ! II III U t1J In
- " ' ,,' ~: - D '
- 1 • ~. ~.I '. , ;
- EHF
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- ---------Ac-------.
- dV(z) , , -
- --- = (R + jwL) I(z),
- ai(z, t) G' ( ) C ,au(z, t)
- ----az- = U z,t + at'
- iV. t) - c' s» u(z + I1z. t)
- - -
- These are the telegrapher's equations ill phasor form.
- di(z) , , -
- --;;;- = (G + jWC ) V(z). (2. I 8b)
- ~-.~--------~--~+
- , ili(7.t)
- aU(z,t) R"( ) L,ai(z,t)
- - = 'zt+ ---
- az . , at'
- 1
- 0<[' t)
- Node
- + -
- - = R t{z. t) + L --- .
- 2-3 Transmission-Line Equations
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- I lIe
- up= =---. -=-
- Up ciAo
- A = - = - - = - , (2.53)
- f f.,fEr .,fEr
- (2.49)
- (lossless line),
- (lossless line). (2.45)
- (lossless line), (2.46)
- A _ 2rr _ 2rr
- - f3 - wJL'C' .
- lip = 73 = JL'C"
- 1
- up = -- (m/s),
- ~
- y = ex + jf3 = jwJ L'C I •
- a=O
- fJ = wJuc I
- 2-6 The Lossless Transmission Line:
- General Considerations
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- (2.86)
- , :
- CHAPTER 2 TRANSMISSION LINES
- jwLeq = j Zo tan (if,
- Zf;: - z, ~:,~
- d-4------------------------~1
- o
- V,dd) = Vo+lej/Jd - e-ifi"j = 2jVo+ sinf3d,
- - VO+'f'< I 'fJd 2Vo+
- /scCd) = ~[eJ'" + e-} ] = -- cosf3d.
- Zo Zo
- . V,dd) .
- Denoting Zr.~ as the input impedance of a short-circuited
- 2-8.1 Short-Circuited Line
- zst _V')C(I) -' Z· ta .f31 (2,.84.)
- ill -lsc(l) - Joan· ,.
- 2-8 Special Cases of the Lossless Line
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- )---------------- ..• y
- Answer: P = (4. 2rc/3. rc/3). (See 'B')
- A = i(x + y) + Y(y - x) + zz
- P2 = (x + dx, y + dy, z + dz)
- 3-4 Gradient of a Scalar Field
- (3.73)
- (3.71 )
- (3.70)
- dT = VT ·dl.
- aT aT aT
- dT = - dx + - d v + - d z.
- ax ay' az
- .aT .aT .aT
- d.T = x- ·dl +y- ·dl +z- ·dl
- ax av ilz
- [aT 'IT aT]
- = i-+y-(-+z- ·£11.
- ax ay az
- n ~a .0 ~a
- ax oy Jz
- d ~ aT .aT • aT
- ax ay az
- 0.69)
- dl = x dx + Y dy + z d z,
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- At (I, -\. 2).
- dTI
- 4-12-2 -10
- (3.78)
- v
- iJT iJT ilr er iJep iJT oz
- 3-4.1 Gradient Operator in Cylindrical
- (3.76)
- r-
- T2 - TI = I V T . ell.
- Example 3-9: Directional Derivative
- ilx ay iJz .
- = x2x + y2yz + z.'.2.
- :-- = ? ? = cos ep ,
- aep I.
- -- = -- sin e.
- ax r
- st sr sin ep et
- ax iJr r iJep
- (3.80)
- a,--- -
- dT A A A A? (X2 + y3 - Z2)
- ffi
- et A 1 sr er
- VT = r- +.-- +z-.
- ilr r aep iJz
- (3.81)
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- Answer: E=YPtYI[rreo(y2+J)]. (See e-)
- Answer: E = 0 for R < a;
- E = Rpsa2 I(e R2) for R > a. (See e-)
- Answer: (a) D = RPvRI3,
- (b) D = RPva3/(3R2). (See ~)
- 4-5 Electric Scalar Potential
- (4.36)
- (4.35)
- (4.34)
- (1).
- Fcx! = =F; = -'lE.
- d W = F ex! . dl = -'1 E . dl
- The term "voltage" is short for "voltage potential" lind
- 4-5.1 Electric Potential as a Function of Electric
- dV = - = -E·dl
- (4.37)
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- 4-5.2 Electric Potential Due to Point Charges
- (4.48b)
- (surface distribution),
- I J Ps ,
- V=- -ds
- 41r8 R'
- v = _1_ J Pv dV' (volume distribution), (4.48a)
- 41r8 R'
- v'
- 4-5.3 Electric Potential Due to Continuous
- (V). (4.43)
- p
- 4-5.4 Electric Field as a Function of Electric
- v = _1_ J Pl dl' (line distribution).
- 41r8 . R'
- r
- (4.48c)
- V=- R-- 'RdR=--
- £IV = -E·dl.
- £IV = VV· £II.
- IE = -VV. (4.51) I
- v- _1 '" qi
- - 41rs (;;j IR - Ri J
- (V). (4.47)
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