例句與造句

1. In point-to-point microwave antennas, a " high performance " antenna usually has a higher front to back ratio than other antennas.
2. In other electrical engineering the "'front to back ratio "'is a ratio of parameters used to characterize rectifiers or other devices, in which electric current, resistance, or other parameters, in one direction is compared with that in the opposite direction.
3. For example, an unshrouded 38 GHz microwave dish may have a front to back ratio of 64 dB, while the same size reflector equipped with a shroud would have a front to back ratio of 70 dB . Other factors affecting the front to back ratio of a parabolic microwave antenna include the material of the dish and the precision with which the reflector itself was formed.
4. For example, an unshrouded 38 GHz microwave dish may have a front to back ratio of 64 dB, while the same size reflector equipped with a shroud would have a front to back ratio of 70 dB . Other factors affecting the front to back ratio of a parabolic microwave antenna include the material of the dish and the precision with which the reflector itself was formed.
5. For example, an unshrouded 38 GHz microwave dish may have a front to back ratio of 64 dB, while the same size reflector equipped with a shroud would have a front to back ratio of 70 dB . Other factors affecting the front to back ratio of a parabolic microwave antenna include the material of the dish and the precision with which the reflector itself was formed.
6. It's difficult to find front to back ratio in a sentence. 用front to back ratio造句挺難的