axial ratio


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axial ratio

[′ak·sē·əl ′rā·shō]
(crystallography)
The ratio obtained by comparing the length of a crystallographic axis with one of the lateral axes taken as unity.
(electronics)
The ratio of the major axis to the minor axis of the polarization ellipse of a waveguide. Also known as ellipticity.
References in periodicals archive ?
Now the axial ratio of the total transmitted wave can be calculated using the following formula
This high-gain and wideband CP LHM antenna gain and axial ratio (AR) at different values of d are presented in Figures 5(a) and 5(b).
Focus on the shape change by studying the variations of axial length and axial ratio, which are shown in Figures 6 and 7, respectively.
The antennas proposed in this study have two different versions, where the first one possesses better omnidirectionality and axial ratio performances but narrow frequency bandwidth, and the second one has wider bandwidth but lower omnidirectional and axial ratio performances.
The simulation CP axial ratio and return loss parameters of the proposed antenna are displayed in Figure 2.
The simulated return loss and axial ratio are shown in Figure 5 for different values of the length of the cross-shaped slot a.
The design corner case is mainly due to the fact that the gain and axial ratio within +- 60 deg both must present the excellent directional achievement in a certain range of antenna.
10 shows the effects of [l.sub.1] and d on axial ratio at the upper band of the proposed Antenna-1.
Figure 21 shows the simulated and measure axial ratios for the circular polarization operations.
In fact, abandoning the constraint on the inhibition of surface waves [8], the proposed antenna can easily obtain with the characteristics of a 3 dB axial ratio at lower elevation and a radiation pattern roll-off from zenith to horizon higher than 10 dB.
With a highly flattened disk yielding an axial ratio of more than 18:1, UGC 7321 is the prototype superthin galaxy.