| 1. | He then shines a narrow beam in horizontally through the pinhole .
然后他通过小孔水平地射入一窄光束。 |
| 2. | Narrow beam injection laser
窄束注入式激光器 |
| 3. | The narrow beams of sound advertise sale items at the store or restaurant and feature promotional material
这个狭窄的声音柱在商场或餐馆做广告销售商品并播放促销内容。 |
| 4. | Radar sets generally employ large antennas to produce narrow beams in much the same way as a search - light reflector
通常雷达采用大型天线以产生狭窄波束，其方法基本上与探照灯反射镜相似。 |
| 5. | If the broadband signal is dealt with the narrow beam former , the serious disorder of the signal will be occurred
如果简单的用窄带波束形成器处理宽带信号，会使信号产生严重的畸变，这就提出了宽带波束形成的问题。 |
| 6. | They not only have the quality of slow decay , but also narrow beam and focused energy , which are widely used in military and communication
慢衰减电磁波的衰减比一般电磁波慢，可以实现较大的探测深度；由于它的频率高，可以实现较高的分辨率。 |
| 7. | This paper mainly discusses the vital part discrimination of the near - field target by using target acoustic imaging method , which uses dense narrow beams based on high frequency system
本论文主要研究了基于高频体制下利用密集窄波束形成目标图像，进行近场目标精确识别。 |
| 8. | Except all the advantages above , the narrow beam width leads to challenges on pointing , so it is very important to make effort on the study of acquisition , pointing and tracking - apt
而窄的激光发射光束导致了光束对准中许多技术上的挑战，对捕获、对准和跟踪（ acquisition 、 pointing 、 tracking ? apt ）技术的研究也就显得尤其重要。 |
| 9. | However , entrainment can , if applied with appropriate power and frequency , seriously degrade the ability of targeted people to function , and by using the higher radio frequencies , can be focused into a fairly narrow beam
不过，诱导作用可以，如果应用适当的功率和频率，可以严重退化目标人群的身体机能，并采用较高的无线电频率,可以集中到一个相当狭窄的光束。 |
| 10. | Parabolic antenna in a widely used is tracking antenna area , by use the optimum design , it may produce a very narrow beam , it ' s tracking precision is high , but because it ' s beam width is very narrow , the searching target is very difficult
摘要抛物面天线是火控雷达中普遍使用的一种跟踪天线，通过系统优化设计，可以形成很窄的波束，所以其跟踪精度很高，因为其波束很窄，所以搜索发现目标困难。 |
