定向波束 meaning in English
directed beam
directional beam
Examples
- Digital signal processing technologies were used to produce spatial and directional beam in adaptive antenna . then the main beam aims at the coming direction of desired signal and the side lobe points to the coming direction of interference signals
自适应天线利用数字信号处理技术，产生空间定向波束，使天线主波束对准期望信号到达方向，旁瓣或零陷对准干扰信号到达方向。 - Digital signal processing technologies were used to produce spatial and directional beam in smart antennas . then the main beam aims at the coming direction of reference user and the side lobe points to the coming direction of interference user
智能天线是利用数字信号处理技术，产生空间定向波束，使天线主波束对准期望用户信号到达方向，旁瓣或零陷对准干扰信号到达方向，达到充分高效利用移动用户信号并删除或抑制干扰信号的目的。 - Portable multiple beam sonar system is mainly used to survey the underwater terrain of huge reservoir . firstly , the thesis introduces the index of performance . secondly , it explains the ranging principle of sonar system , and simulates the processing procedure on computer , gives the beam pattern
本文首先介绍了地形声呐的设计指标，然后叙述了多波束地形声呐的测距原理，并对具体的实现过程进行了计算机仿真，给出了定向波束图案。 - Digital signal processing technologies were used to produce spatial and directional beam in smart antennas . then the main beam aims at the coming direction of reference user and the side lobe points to the coming direction of interference user . smart antennas are classified to switching - beam and tracking - beam
智能天线利用数字信号处理技术，产生空间定向波束，使天线主波束对准期望用户信号到达方向，旁瓣或零陷对准干扰信号到达方向，达到充分高效利用移动用户信号并删除或抑制干扰信号的目的。