| 摘要 |
<p>A waveguide element for an electrically controlled radar antenna comprises a non-resonant waveguide fed from a feed opening. The feed opening divides the waveguide longitudinally into a first and a second part, each provided at its outer end with absorbent terminations slots are formed in the waveguide, and their central points in the longitudinal direction have in the first part a mutual spacing which is less than half the wavelength (??), while their central points in the longitudinal direction in the second half have a mutual spacing which is greater than half the wavelength.</p> |
