| 1. | Beamforming techniques of wideband and large scan angle based on stretch processing
基于拉伸处理的宽带宽角波束形成技术 |
| 2. | A new wideband beamformer based on stretch processing in the scenario with large scanning angle
基于拉伸处理的宽带宽角接收波束形成新方法 |
| 3. | The card chosen must have wide bandwidth as well as good isolation and low offset current
所选的开关卡必须具有宽带宽，以及良好的隔离和低偏置电流。 |
| 4. | The laser acquisition , pointing and tracking ( apt ) technology of high precision and large band - width is the key technology of space laser communication
高精度、宽带宽的激光捕获、对准和跟踪技术(简称apt )是空间激光通信的一个关键技术。 |
| 5. | However , the instantaneous bandwidth of signals is restricted for general phased array because of its transition time and aperture effect
但是,基于移相器的普通相控阵天线在进行宽带宽角扫描时,由于渡越时间和孔径效应的影响,使信号的瞬时带宽受限。 |
| 6. | As far as the wide slot antenna is concerned , a broad s11 - 10db frequency bandwidth of 158 % and an operating frequency band of 1 . 9 ~ 16 . 25 ghz are produced by applying this method to it
对宽槽天线而言,应用这种方法得到了阻抗带宽为158 %的超宽带宽槽天线,工作频率为1 . 9 ~ 16 . 25ghz 。 |
| 7. | Chirp signal is a kind of pulse - compressed signal with large time - bandwidth products achieved through linear frequency modulation . it has high resolution in range because of its great bandwidth
线性调频信号是通过线性频率调制获得大的时宽带宽积的一种脉冲压缩信号，具有大的带宽，因此有高的距离分辨力。 |
| 8. | Large time - band product signals such as linear frequency modulation signals ( lfm ) , nonlinear frequency modulation signals ( nlfm ) , phase coded signals and so on are one of key technologies for pulse compression radar systems
具有大时宽带宽积的信号，如线性调频信号、非线性调频信号、相位编码信号等是雷达应用脉冲压缩技术的关键之一。 |
| 9. | The radial motion will not only bring the range ambulation and windage to the one - dimension range - profile , but also bring the aberrance and blur produced on given condition that radar signal which is with large product of wide - time and wide - band
对于大时宽带宽积信号，目标高速运动不仅会造成目标一维距离像的距离走动和距离偏差，还会造成畸变和模糊。 |
| 10. | Wireless communications are evolving toward using higher frequencies , wider bandwidth and more functionality to satisfy growing demands of users worldwide . in recent years a concept of system - on - package ( sop ) is getting more attention in the rf area and is being applied to rf functional blocks and the front - end modules to achieve lower cost , improved performance , and increased design flexibility
随着个人通信技术的向更高频率、更宽带宽而用户发展的要求不断的提高，射频前端的设计越来说困难，近几年一个sop ( systemonpackage )的设计思想得到射频设计界的大量关注。 sop也就是说将无源元件和微波集成电路用现有的多层封装和连接技术组装在一个射频模块中。 |
