directional aerial造句

例句与造句

1. The installation of directional aerials also encouraged more AM stations.
2. It was part of the directional aerial for the AFN transmitter described above.
3. Directional aerials consist of multiple masts, which need not to be of the same height.
4. The Meacon system involved separate locations for a receiver with a directional aerial and a transmitter.
5. Unusually, this transmitter also transmits neighbouring services Radio Sheffield from separate directional aerials on the mast.
6. It's difficult to find directional aerial in a sentence. 用directional aerial造句挺难的
7. The longwave transmitter uses a directional aerial with a maximum strength pointing northwest ( azimuth : 309?).
8. The directional aerial for 1296 kHz ( erected in 1978 ) consisted of six freestanding steel lattice towers.
9. It uses a directional aerial, consisting of a high and a high guyed grounded mast 330 metres apart.
10. Unlike the directional aerial for 648 kHz, they were arranged in two parallel rows with three towers in each.
11. However, in North Essex, Capital was out of range except for people with a very expensive directional aerial.
12. From 1963 until its demolition in November 1993, the mast was used as part of a directional aerial for a mediumwave transmitter.
13. A directional aerial array was used to avoid wasting power over the English Channel and to enhance the signal to the east and west.
14. It is also possible to realize directional aerials for mediumwave with cage aerials where some parts of the cage are fed with a certain phase difference.
15. Cellular wireless networks generally have good capacity, due to their use of directional aerials, and their ability to reuse radio channels in non-adjacent cells.
16. It used a directional aerial consisting of four 125.1 metre ( 407 feet ) high guyed steeltube framework masts insulated against ground with triangular cross section.
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