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1
The Handbook of Antenna Design
202 118 PARK, P. K., and ELLIOTT, R. S.: 'Design of colinear longitudinal slot
arrays fed by boxed stripline', IEEE Trans., AP, to be published 119 PERINI, J.,
and IDSELIS, M. H.: 'Radiation pattern synthesis for broadcast antennas', IEEE ...
2
Engineering Electromagnetics
The antenna radiation pattern is defined as the relative strength of the electric
field intensity, at a given distance from the antenna in the far field. The field may
be the electric field intensity, magnetic field intensity or power density, and these
...
3
Basic Principles of Fresnel Antenna Arrays
The Radiation Pattern of an antenna can be defined as the variation in field
intensity as a function of position or angle. Let us consider an anisotropic radiator
, which has stronger radiation in one direction than in another. The radiation
pattern ...
Igor V. Minin, Oleg V. Minin, 2008
4
Microstrip Antennas: The Analysis and Design of Microstrip ...
A Conformal Cylindrical Microstrip Array for Producing Omnidirectional Radiation
Pattern IMMANUAL JAYAKUMAR, RAMESH GARG, MEMBER, IEEE, B. K.
SARAP AND BHAOWAN LAL Reprinted from IEEE Trans. Antennas Propaga.,
vol.
David M. Pozar, Daniel H. Schaubert, 1995
5
Microstrip Antenna Design Handbook
The effect of substrate thickness and the dielectric constant on the radiation
pattern has been discussed in [27]. The number of lobes in the radiation patterns
can be increased by increasing either h or er. These radiation patterns are
applicable ...
6
Satellite Communication Systems, 3rd Edition
This directional selectivity of an antenna is characterised in terms of its radiation
pattern. This pattern is a plot of relative strength of radiated field, amplitude and
phase, as a function of the angular parameters, 9 and (j), of a spherical
coordinate ...
7
VSATs: Very Small Aperture Terminals
2.2 Basic antenna definitions 2.2.1 Antenna radiation pattern A transmitting
antenna does not radiate uniformly in all angular directions, nor does a receiving
antenna detect energy uniformly from all directions. This directional selectivity of
an ...
8
Fundamentals of Geophysics
A plot of the amplitude variation with 0 is called the radiation pattern of the P-
wave amplitude, which for the single-couple model has a quadrupolar character (
Fig. 3.34a). It consists of four lobes, two corresponding to the angular variation of
...
9
Polarization, Alignment, and Orientation in Atomic ...
For symmetry reasons, the radiation pattern from an S state (L = ML = 0) that
decays to a P state (L = 1, ML = — 1,0, +1) must be isotropic as long as the
magnetic quantum number of the final state is not detected. Hence, the first
nontrivial case ...
Nils Andersen, Klaus Bartschat, 2001
10
Antenna Theory and Practice
... 10.24 to obtain the expressions for the field components of the circular aperture
or equivalent paraboloid with uniform illumination. Since the array factor given by
Eq. 11.24 is highly directional, it mainly determines the total radiation pattern.
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New understanding of electromagnetism could enable 'antennas on …
The radiation pattern from a dipole antenna showing symmetry breaking of the electric field. (Image: Generated using Mathematica from Wolfram Inc). «Nanowerk, 4月 15»
Active antennas could mean more powerful Wi-Fi networks
Active steering essentially creates multiple radiation patterns around the same antenna and then selects the ideal pattern to hit its targeted device with best ... «Gigaom, 2月 15»
The Real World of Non-Directional and Directional Antennas
A non-directional antenna installation, if the pattern was never measured on a test range ... The horizontally polarized radiation pattern is plotted in blue and the ... «Radio World, 12月 13»
This Is What Cell Phone Signals Would Look Like If You Could See …
The long-distance tower is radiating three channel combinations in three directions indicated by the red, yellow and blue radiation patterns. In the background ... «Motherboard, 12月 13»
LS telcom offers cost-effective antenna radiation pattern …
The RPA circles the antenna and measures the radiation pattern in the horizontal and vertical planes at predetermined altitudes and distances from the antenna. «RealWire, 9月 13»
Anti-Jam Protection by Antenna
Controlled radiation pattern antenna (CRPA) technique is considered to be the best GPS pre-correlation protection technique against interference. It consists of ... «GPS World magazine, 2月 13»
NASA Rover Providing New Weather and Radiation Data About Mars
Observations of wind patterns and natural radiation patterns on Mars by NASA's Curiosity rover are helping scientists better understand the environment on the ... «Jet Propulsion Laboratory, 11月 12»
Several antennas in one: A major innovation for mobile …
Instead, the repartition of the antenna's radiation is called "radiation pattern." Scientists have managed to decompose this pattern in two, allowing simultaneous ... «Phys.Org, 5月 12»
A cell phone case for reducing cell phone radiation
Honestly, I've never taken seriously the cheap radiation "shields" that you can ... The image on the left shows the near-field radiation pattern without the Pong ... «CNET, 9月 11»
Inside a Cellphone Radiation Testing Lab
But you can find out how much radiation your head is absorbing from any given ... The result is a spherical radiation pattern that yields the Total Radiated Power. «Wired News, 10月 09»
