reference antenna造句

例句与造句

1. First the reference antenna's performance is measured using high accuracy measurement facility.
2. Sometimes rather than measure the performance of the reference antenna theoretical methods are used.
3. The second antenna is a reference antenna, which points rigidly at the first antenna.
4. That ratio would be equal to G if the reference antenna were an isotropic radiator.
5. In a common usage scenario a reference antenna would be used as a transfer standard.
6. It's difficult to find reference antenna in a sentence. 用reference antenna造句挺难的
7. Reference antennas are built with particular care taken to make them simple, robust and repeatable.
8. In this case the reference antenna is built to have a high degree of repeatability in its radiation pattern and efficiency.
9. The reference antenna is usually the theoretical perfect isotropic radiator, which radiates uniformly in all directions and hence has a directivity of 1.
10. That field strength is compared to the field strength found using a so-called " reference antenna " at the same distance receiving the same power in order to determine the gain of the antenna under test.
11. The highly directive nature of both the daytime antenna array ( six towers, with high efficiency ) and the nighttime antenna array ( nine towers, with standard efficiency ) means that the apparent power towards Houston is greatly in excess of the licensed power, about the equivalent of 857, 000 watts days and 197, 000 watts nights ( when compared to the 1, 000 watt non-directional reference antenna for this class of station, Class B ).