| 1. | Vertical beam width 垂直波束宽度 |
| 2. | Antenna beam width 天线波束宽度 |
| 3. | It is important to eliminate or degrade the effect caused by the beam width of echo sounders and reflect the true seabed 为提高海底地形的测量精度,应消除或减弱波束角效应影响。 |
| 4. | 3 - dimension parameters of 2 - 4 targets can be jointly estimated as long as the direction intervals are greater than half beam width 在目标方位间隔大于半波束宽度时,可实现2 4个目标的三维参数联合估计。 |
| 5. | In actual radar antenna design several thousand elements could be used to obtain a high - gain antenna with a beam width of less than two degrees 实际的雷达天线设计为拥有数千个单元能够获得高增益使波束宽度小于2度。 |
| 6. | Lasers and laser - related equipment - test methods for laser beam widths , divergence angles and beam propagation ratios - general astigmatic beams 激光和激光相关设备.激光束宽度发散角和束扩散率的试验方法.一般象散束 |
| 7. | Lasers and laser - related equipment - test methods for laser beam widths , divergence angle and beam propagation ratios - part 2 : general astigmatic beams 激光和激光相关设备.激光束宽度发散角和束扩散率的试验方法.第2部分:一般像散束 |
| 8. | Lasers and laser - related equipment - test methods for laser beam widths , divergence angles and beam propagation ratios - stigmatic and simple astigmatic beams 激光和激光相关设备.激光束宽度发散角和束扩散率的试验方法.无象散和简单象散束 |
| 9. | The paper studies three key problem of base station array antenna for mobile communication , controlled radiation pattern , beam width and passive intermodulation 本文研究移动通信基站天线中的三个关键问题,波束赋形、波瓣宽度、无源交调。 |
| 10. | Lasers and laser - related equipment - test methods for laser beam widths , divergence angle and beam propagation ratios - part 1 : stigmatic and simple astigmatic beams 激光和激光相关设备.激光束宽度发散角和束扩散率的试验方法.第1部分:无象散和简单象散束 |