| 1. | The simulation using the bi - directional beam propagation method proves that the demultiplexer can have very low insertion loss and high isolation ratio
藉由双向光束传播法来仿真此组件，结果显示此解多任务器具有很低的插入损耗和高的隔离度。 |
| 2. | 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。 |
| 3. | 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。 |
| 4. | The application of smart antenna technique in wireless communications gives us a new solution . it allows the base station to transmit to and receive from mobiles by directional beams , which can improve the system performance by relieving the cci , decreasing the transmission power , improving the spectrum efficiency , enlarging the system capacity and so on
空域自适应滤波即智能天线技术在移动通信领域的引入为这些问题的解决带来了新的思路，它能够实现基站对移动台的定向发射和接收，从而能大大减轻系统的多址干扰，降低系统的发射功率，提供系统的频谱利用率，增大系统容量等好处。 |
| 5. | 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。 |
