例句與造句

1. A cantenna can be used as a satellite dish feed horn.
2. Therefore, the feed horn must be longer for a given wavelength.
3. As the feed horn is fixed in nutated feeds, no polarization changes occur.
4. Unless the feed horn fell off.
5. The feed horn consisted of a cross dipole antenna design for both A and B channels.
6. It's difficult to find feed horns in a sentence. 用feed horns造句挺難的
7. In satellite antennas, scalar rings are used to push the spread signal into the feed horn.
8. Multiple feed horns were used in the receiver to allow reception from many vertical angles at once.
9. The offset support arm houses a retractable prime focus feed horn in front of the 8 m Gregorian focus.
10. The BUC is also connected to the feed horn through a wave guide port of the OMT junction device.
11. Combined with a linearly polarized feed horn, it helps filter out noise in the receiver and reduces false returns.
12. A nutated feed offsets the antenna at an angle to a fixed feed horn, and then rotates the antenna.
13. Radar became small enough to be carried on board aircraft, but the fragile feed horns and vacuum formed to shape.
14. Most often this is used close to an antenna feed horn in order to allow transmit and receive signals to operate on separate polarizations.
15. However, conical scanning could only easily be used on an antenna with a single feed horn, which is only practical with microwave radars.
16. Each module has one transmit-receive feed horn and one auxiliary receive feed horn for a second polarization, totaling 44, 000 feedhorns.
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