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美国陆军的LABCOM与德里克塞尔大学的A.S.德里奥西教授合作.在次谐波注入规定的锁相环(PLL)技术基础上研制了光同步的毫米波本振.实验结果支持了下述这样的设计目标:毫米波振荡器的相位相关和相移控制.以及旨在对毫米波RF信号下变频的自激振荡混频.实验结果与理论分析显示出这种技术具有优于RF频率控制的如下优点:两个次谐波销定振荡器的更大锁定范围;FM噪声影响较小;频率失谐引起的相位误差小.
The US Army’s LABCOM collaborated with Prof. AS Derioux of Dereksel University to develop an optically synchronized millimeter-wave local oscillator based on the phase-locked loop (PLL) technique specified for subharmonic injection. The experimental results support the following The design goals of the millimeter-wave oscillator phase-shift and phase-shift control, as well as a self-oscillating mixer designed to down-convert the millimeter-wave RF signal.Experimental results and theoretical analysis show that this technique is superior to RF frequency control The following advantages: Larger locking range for two subharmonic pinned oscillators; less FM noise effect; small phase error due to frequency detuning.