When you add the two radiation patterns you should get very close to a full sphere. What you have works perfectly for a half wave SLOT antenna, not a half wave dipole. You can look at this link for a very brief description. Basic Slot Antenna and Its Complementary Dipole. I also attached your simulations with an added dipole simulation. Cesar (PDF) Collinear and Coparallel Principles in Antenna Design The basic idea consists in the use of TM0x mode with geometrical perturbation of radiation motif by inner slot(s) and lateral notches introduced in such a way that they eliminate ... Slot line Fed Directional UWB Antenna for Microwave Imaging
May 21, 2016 · My first attempt at building the waveguide slot hopefully the first of many as I have a few ideas how I can adapt this basic design. Template: https://goo.gl...
Slot Antenna basics | Impedance of Slot Antenna Slot Antenna basics | Impedance of Slot Antenna. This page covers basics of slot antenna. It mentions features of slot antenna. The equation for impedance of slot antenna is also mentioned. Definition: The antenna which is formed by constructing slot in metallic surface is known as slot antenna. This antenna will have opening either in ... Conformal microstrip slot antenna with an AMC reflector for ... dimensions is shown in Figure 1. The basic idea about the design of proposed applicator is taken from reference [6 ] in which a complex multilayered geometry with embedded feeding is used. The proposed microstrip slot antenna has simple geometry and consists of two circular conducting parasitic patches enclosed within a modified rectangular slot.
A Novel Approach for Miniaturization of Slot Antennas Reza Azadegan, Student Member, IEEE, and Kamal Sarabandi, Fellow, IEEE Abstract— With the virtual enforcement of the required boundary condition (BC) at the end of a slot antenna, the area occupied by the resonant antenna can be reduced. To achieve
Slot Antenna is an example of Aperture antenna. A rectangular slot is made on the conducting sheet. These slot antennas can be formed by simply making a cut on the surface, where they are mounted on. The use of slot antennas is well understood through its working principle. Let us have a look at the Cavity-Backed Slot Antennas - Antenna Theory A practical slot antenna is the cavity-backed slot antenna. Unfortunately, the equations related to the cavity backed slot antenna are somewhat complicated and in my opinion don't give a good idea of how they work. Hence, I'll present the basics, present some experimental results and try to give an idea of design parameters.
A slot antenna consists of a metal surface, usually a flat plate, with one or more holes or slots cut out. When the plate is driven as an antenna by a driving frequency, the slot radiates electromagnetic waves in a way similar to a dipole antenna.
Alford Slot – Horizontal Omnidirectional Antenna... Whit several words what is Alford Slot : this is circular pipe whit ONE LONG slot on it, feed by coax line coming from inside the tube.note pics are for lower frequency – typically for 1200Mhz, second shows that for low band this antenna can be made even from wire. Design of a dual band-notch UWB slot antenna by means of… In this letter, a planar slot antenna with dual-band-notch characteristics is proposed for ultrawideband application. The basic antenna comprises a rectangularBy properly adjusting the size and location of the parasitic slits, it is found that the proposed antenna can achieve ultrawide operating band with...
A MICROSTRIP ANTENNA WITH A RECONFIG- URABLE PATTERN FOR RFID ...
The basic idea is to exploit the room available between adjacent solar cells, also taking advantage of the presence of the cover glass layer that gives aSLOT ANTENNA DESIGN The proposed antenna integration concept is based on the exploitation of the space available between adjacent solar cells of. Design of reconfigurable annular slot antenna
propose optimization-based algorithms for slot antenna arrays [7]. These methods, however, are too complicated and appear to be cumbersome to realize. The basic idea in Elliot [3], [6] was to consider each half-wavelength waveguide section with one slot as a basic “slot module” with variable load impedance attached to it.