1) instantaneous bandwidth
![点击朗读](/dictall/images/read.gif)
瞬时带宽
1.
Theoretical analysis and simulation of instantaneous bandwidth for optically phased array antenna;
光控相控阵列天线瞬时带宽的理论分析与仿真
2.
When large phased array radars work in wideband wide scan conditions instantaneous bandwidth of signal is limited by the size of aperture.
针对大型相控阵雷达工作在宽带、宽角扫描的情况下,瞬时信号带宽受孔径度越时间限制的问题,从理论上分析了影响相控阵雷达线瞬时带宽提高的因素和接收通道幅相误差对系统性能的影响,提出了采用射频延迟和视频延迟方法提高相控阵天线瞬时带宽的两种技术途径。
3.
Optically controlled phased array radar (OCPAR) with applied optical true time delay (OTTD) and optical beamforming-network can be used to improve the instantaneous bandwidth of the conventional phased array.
而光控相控阵雷达采用光电子技术,通过光延时方法来抵消孔径渡越时间,使用光波束形成网络来实现相控阵的波束形成与扫描,所以它具有大瞬时带宽扫描工作的能力,甚至能够工作在超宽带下;同时也可以使得相控阵雷达小型化,以及具有强的抗电磁干扰的能力。
2) large instantaneous bandwidth
![点击朗读](/dictall/images/read.gif)
大瞬时带宽
1.
The merits of wideband radars with large instantaneous bandwidth signals are high range resolution, anti-jamming, reliability of detection, higher informance measure of recognition and so on, so wideband radar is one of very important and development military projects in the world countries.
具有大瞬时带宽的宽带雷达,因其高的距离分辨率、抗干扰能力强、高的目标检测和识别能力等优点,受到世界各国的普遍重视,各国尤其关注瞬时带宽达1GHz以上的X波段宽带雷达信号产生和处理技术。
3) instantaneous wide spectrum
![点击朗读](/dictall/images/read.gif)
瞬时宽谱
1.
Noise has good range resolution and Doppler resolution performance because of thumbtack ambiguity function,and has excellent anti-reconnaissance performance because of instantaneous wide spectrum character.
噪声因模糊函数呈图钉形而有良好的距离和多普勒分辨性能,因有瞬时宽谱特征而有卓越的反侦察性能。
4) Temporal broadening
![点击朗读](/dictall/images/read.gif)
瞬时展宽
5) instantaneous band
![点击朗读](/dictall/images/read.gif)
瞬时频带
6) large time-bandwidth
![点击朗读](/dictall/images/read.gif)
大时宽带宽
1.
The high-speed pulse compression technology for large time-bandwidth radar signals
![点击朗读](/dictall/images/read.gif)
大时宽带宽雷达信号高速脉压技术研究
补充资料:带宽
分子式:
CAS号:
性质:光谱吸收发射分布曲线上半高强度之间的频率宽度。
CAS号:
性质:光谱吸收发射分布曲线上半高强度之间的频率宽度。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条