Electromagnetic Waves and Antennas combined - Chapter 13 potx
Electromagnetic Waves and Antennas combined - Chapter 13 potx
... Z
0
1 −|Γ
L
|
2
|1 −Γ
L
|
2
(13. 13.5)
13. 2 Computer Experiment. The Hewlett-Packard ATF-1 0136 GaAs FET transistor has the follow-
ing
S-parameters at 4 GHz and 8 GHz [135 5]:
S
11
= 0.54∠−120
o
,S
21
= ... circle
13. 13. Problems 569
13. 7 Computer Experiment. The Hewlett-Packard ATF-36163 pseudomorphic high electron mo-
bility transistor (PHEMT) has the following
S- and noise para...
Electromagnetic Waves and Antennas combined - Chapter 2 potx
... other.
Examples of such waves are the evanescent waves in total internal reflection, various
guided-wave problems, such as surface waves, leaky waves, and traveling-wave antennas.
The most famous ... forward-moving)
E
(z)= A(
ˆ
x +j
ˆ
y)e
−jkz
(left-polarized, forward-moving)
E
(z)= A(
ˆ
x −j
ˆ
y
)e
jkz
(left-polarized, backward-moving)
E
(z)= A(
ˆ
x
+j
ˆ
y
)e
jkz
(right-polarized, b...
Electromagnetic Waves and Antennas combined - Chapter 6 potx
... Structures
r=
-0 .1000 -0 .2000 -0 .4000 0.5000
A=
1.0000 1.0000 1.0000 1.0000
-0 .1000 -0 .1200 -0 .2000 0
-0 .0640 -0 .1000 0 0
-0 .0500000
B=
-0 .1000 -0 .2000 -0 .4000 0.5000
-0 .1880 -0 .3600 0.5000 0
-0 .3500 0.5000 ... as bandstop or bandpass filters.
Quarter-wave phase-shifted fiber Bragg gratings act as narrow-band transmission
filters and...
Electromagnetic Waves and Antennas combined - Chapter 7 potx
... as
p-polarization, π-polarization, or TM po-
larization, the electric fields lie on the plane of incidence and the magnetic fields are
Fig. 7.1.1 Oblique incidence for TM- and TE-polarized waves.
7.1. ... k
2
0
(n
2
−n
2
sin
2
θ) is negative and k
z
becomes pure imaginary.
In this case, the real-parts in the right-hand side of Eq. (7.16.8) are zero, showing that
|ρ
TE
|=|ρ
TM
|=1 an...
Electromagnetic Waves and Antennas combined - Chapter 9 potx
... the values quoted in Table 9.6.1 for the
C-band and X-band waveguides, WR-159 and WR-90.
Example 9.8.2: WR-159 Waveguide. Consider the C-band WR-159 air-filled waveguide whose
characteristics ... in the case of uniform plane waves propagat-
ing in the
z-direction, that is, they are perpendicular to each other, their cross-product
points in the
z-direction, and they satisfy:
H
T
=
1...
Electromagnetic Waves and Antennas combined - Chapter 23 potx
... length
dualband - two-section dual-band Chebyshev impedance transformer
dualbw - two-section dual-band transformer bandwidths
stub1 - single-stub matching
stub2 - double-stub matching
stub3 - triple-stub ... integrals C2(x) and S2(x)
hband - horn antenna 3-dB width
heff - aperture efficiency of horn antenna
hgain - horn antenna H-plane and E-plane gains
hop...
Electromagnetic Waves and Antennas combined - Chapter 1 pps
... plane waves propagating in dielectrics, conductors, and birefringent me-
dia, (b) guided waves propagating in hollow waveguides, transmission lines, and optical
fibers, and (c) propagating waves ... jωD is the total current in the right-hand side of Amp
`
ere’s law and
accounts for both conducting and dielectric losses. The time-averaged version of Poynt-
ing’s theorem is discu...
Electromagnetic Waves and Antennas combined - Chapter 3 ppt
... (180 km/hr) veloc-
ity resolution at a 3-GHz carrier frequency, would require
B = 5 MHz and T = 1 msec,
resulting in the large time-bandwidth product of
BT = 5000.
Such large time-bandwidth products ... quadrature weights and points
h = - wp^2 * tf * J1over(wp*sqrt(x.^2 - tf^2)) .* exp(j*w0*(t(i)-x));
Ez(i) = exp(j*w0*(t(i)-tf)) + w’*h;
% exact output
Es(i) = exp(j*w0*t(i)-j*k0*tf...
Electromagnetic Waves and Antennas combined - Chapter 4 pdf
... k
+
and
backward with
k
−
, and the reverse is true of the E
−
(z) component. The forward-moving
component of
E
+
and the backward-moving component of E
−
, that is, E
R+
and E
R−
, are
136 4. ... appropriate linear combinations. For
example, we define the right-polarized (forward-moving) and left-polarized (backward-
moving) waves for the
{E
+
,H
+
} case:
E
R+
=
1
2
E
+
−jηH
+...
Electromagnetic Waves and Antennas combined - Chapter 5 ppt
... half-wave, (c) layer-1 is quarter- and layer-2 half-wave, and (d) layer-1
is half- and layer-2 quarter-wave. Show that the reflection coefficient at interface-1 is given
by the following expressions ... of ρ
1
, the half- and quarter-
wavelength cases have the same notch widths. A standard measure for the width is
the 3-dB width, which for the half-wavelength case is twice the 3-dB freq...
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