In the field of antenna design the term radiation pattern (or antenna pattern or far-field pattern) refers to the directional (angular) dependence of the...

The radiation-field pattern can be calculated by applying Huygens' principle in a similar way to a rectangular aperture. The electric field pattern can...

in the medium. Also known as the radiation-zone, the far field carries a relatively uniform wave pattern. The radiation zone is important because far fields...

resulting level of reflected RF radiation. Many measurements in electromagnetic compatibility (EMC) and antenna radiation patterns require that spurious signals...

at that frequency. Large loop antennas have a two-lobe dipole like radiation pattern at their first, full-wave resonance, peaking in both directions perpendicular...

needed] The dipole is any one of a class of antennas producing a radiation pattern approximating that of an elementary electric dipole with a radiating...

electromagnetically with the driven element, and serve to modify the radiation pattern of the antenna, directing the radio waves in one direction, increasing...

monopole antenna, and like a vertical dipole has an omnidirectional radiation pattern, radiating equal radio power in all azimuthal directions (perpendicular...

which serve to direct the radio waves into a beam or other desired radiation pattern. Strong directivity and good efficiency when transmitting are hard...

the radiation pattern containing the highest power or exhibiting the greatest field strength. The radiation pattern of most antennas shows a pattern of...

invented it at about the same time. Due to their omnidirectional radiation pattern, vertical monopole antennas are commonly used in terrestrial radio...

zero on the axis. When graphed in three dimensions (see graph) this radiation pattern is often described as doughnut-shaped. This is different from an isotropic...

center. The pattern of electric and magnetic fields at the aperture plane at the mouth of the horn, which determines the radiation pattern, is a scaled-up...

perceived difference seen in the grating lobes is because of the radiation pattern of non-isotropic antenna elements, which affects main and grating...

called the antenna pattern or radiation pattern. It is not to be confused with directivity, which does not take an antenna's radiation efficiency into account...

the earth. It is used as a geometrical technique in calculating the radiation pattern of the antenna. When a radio antenna is mounted near a conductive...

used to a lesser extent for unsteered array antennas in which the radiation pattern of the antenna array is fixed, For example, AM broadcast radio antennas...

reconfigurable antenna is an antenna capable of modifying its frequency and radiation pattern dynamically, in a controlled and reversible manner. In order to provide...

membranes and demonstrations of SHG in complex nanomaterials. The SHG radiation pattern generated by an exciting Gaussian beam also has a (homogeneous) 2D...

field radiation pattern of an antenna or other radiation source, that are not the main lobe. The radiation pattern of most antennas shows a pattern of "lobes"...

modify the driven element's radiation pattern. The waves from the multiple elements superpose and interfere to enhance radiation in a single direction, increasing...

5 m). The radiation pattern of a thin wire antenna is easily predictable using antenna modeling. For a straight wire, the radiation pattern can be described...

on the other side of the ground plane. In a monopole antenna, the radiation pattern of the monopole plus the virtual image antenna make it appear as a...

size of the slot, as well as the driving frequency, determine the radiation pattern. Slot antennas are usually used at UHF and microwave frequencies at...

Sigma and tau are the key design elements of the LPDA design. The radiation pattern of the antenna is unidirectional, with the main lobe along the axis...

coordinates (X,Y,Z) is for the probe radiation pattern to be as close as possible to ideal short dipole pattern, called sin θ: f ( θ , ϕ ) = A sin ⁡ (...

"main lobe") of its radiation pattern. This apparent power is dependent on two factors: The total power output and the radiation pattern of the antenna –...

accuracy is also difficult to determine. Other radiation efficiency measurement techniques include: the pattern integration method, which requires gain measurements...

the near-field pattern and the sine of the radiation angle of the far-field pattern. The diameter of the near-field radiation pattern is defined here...

Radiation resistance is that part of an antenna's feedpoint electrical resistance caused by the emission of radio waves from the antenna. A radio transmitter...