An optical true time delay (TTD) is a means for optically controlling phased array antennas (PAAs).
光真延时是对相控阵天线进行光控的一种重要手段。
According to the delay time error, dispersion induced limitation on the system performances is analyzed. The results are good references to design the optical true time delay lines.
基于对延时误差的分析，研究了色散对系统性能的限制，为光真延时线的设计提供了理论参考。
Photonic RF phase shifters based on OTTD (optical true time delay), heterodyne mixing technique and vector sum technique were introduced. The principles and features were proposed and analyzed.
介绍了基于光实时延迟线、基于外差混频技术和基于矢量和技术的光子射频移相器，对其工作原理和技术特点作了分析。
The true time delay technology for optically phased array radar using the delay characteristics of optical fiber is presented.
着重介绍了利用光纤的延迟特性实现光控相控阵雷达的实时延迟技术。
The true time delay technology for optically phased array radar using the delay characteristics of optical fiber is presented.
着重介绍了利用光纤的延迟特性实现光控相控阵雷达的实时延迟技术。
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