In U.S. satellite practice, the polarizations are linear, nominally vertical and horizontal, though the axes may be rotated by the time the signal travels from satellite to earth. In many international satellite applications, the orthogonal polarizations are right- and left-hand circular polarizati...
In general, horizontal or vertical polarization will work equally well. Most cables used as feed line from the transmitter/receiver to the antenna are either 50 or 72/75 ohms. If the input impedance of the antenna is far removed from either of these values, it will be difficult to get an...
Antenna that produces a radiation diagram of revolution around a geometric axis (X) and that has a maximum of radiation in a plane perpendicular to the direction of said axis X, the antenna comprising a conductive surface that forms a ground plane (300 ) of the antenna; a feeding wire (...
Simulation time vs. EM model fidelity for verification structures of Fig. 4: (a) Antenna I, (b) Antenna II, (c) Antenna III, (d) Antenna IV. The minimum usable (---) and the maximum (high-fidelity) (—) values of the resolution parameter L are indicated using vertical lines. Full...
When the polarization type varies between transmit and receive antennas, it causes large losses(go through above scenarios). Cross polarization is when we have two completely opposite polarizations (ie right hand circular to left hand circular or vertical linear to horizontal linear). This is where...
PURPOSE: A linear polarization wave antenna using an electromagnetic coupled dipole is provided to increase the receive sensitivity of antennas by using the electromagnetic coupled dipole. CONSTITUTION: A microstrip line(21) for a vertically polarized wave comprised of a plurality of rows connected to ...
The polarization (or polarisation) of electromagnetic (EM) waves or fields is introduced. This leads into the discussion of antenna polarization. Linear polarization (horizontal or vertical pole) is discussed. RHCP and LHCP (left and right hand circul
(d) The simulated absorbance spectrum of single nano-antenna with polarization parallel (θ = 0°) and vertical (θ = 90°) to the long axis of nano-antenna. Full size image In our results, the PL intensity of monolayer MoS2 with silver nano-antennas is significantly enhanced ...
A compact horn-slotted coplanar waveguide (CPW) fed dual-band dual-sense circular polarization antenna is proposed. The antenna resonates with right-handed... KCR Madaka,P Muthusamy - 《Analog Integrated Circuits & Signal Processing》 被引量: 0发表: 2024年 A CPW Fed Cross-Shaped Dual-Band ...
directive with a realized gain of 8.5 dBic. When comparing the proposed antenna structure with existing antennas that have been proposed for satellite communication as discussed in55, our proposed structure can maintain the communication capability from its polarization and gain requirements while ...