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    • 63. 发明申请
    • PHOTONIC BASED CROSS-CORRELATION HOMODYNE DETECTION WITH LOW PHASE NOISE
    • 低相位噪声的光子相关异相同步检测
    • WO2009064478A3
    • 2009-07-09
    • PCT/US2008012815
    • 2008-11-13
    • OEWAVES INCELIYAHU DANNYMOROZOV NIKOLAIMALEKI LUTFOLLAH
    • ELIYAHU DANNYMOROZOV NIKOLAIMALEKI LUTFOLLAH
    • H04B10/02H04B10/13
    • H04B10/63G01R31/2824H04B10/61
    • In one aspect, this document provides an implementation of a system for characterizing an oscillator. This system includes an input port that receives an oscillation signal from an oscillator under test; an input port signal splitter that splits the received oscillation signal into a first oscillation signal and a second oscillation signal; a first photonic signal processing branch circuit that processes the first oscillation signal to produce a first branch output signal; a second photonic signal processing branch circuit that processes the second oscillation signal to produce a second branch output signal; a dual channel signal analyzer that receives the first and second branch output signals to measure noise in the received oscillation signal; and a computer controller that controls the first and second photonic signal processing branch circuits and the dual channel signal analyzer to control measurements of the noise in the received oscillation signal.
    • 在一个方面,该文件提供了用于表征振荡器的系统的实现。 该系统包括一个输入端口,用于接收来自被测振荡器的振荡信号; 输入端口信号分离器,将接收到的振荡信号分离为第一振荡信号和第二振荡信号; 第一光子信号处理分支电路,其处理第一振荡信号以产生第一分支输出信号; 第二光子信号处理分支电路,其处理第二振荡信号以产生第二分支输出信号; 双通道信号分析器,其接收第一和第二分支输出信号以测量所接收的振荡信号中的噪声; 以及计算机控制器,其控制所述第一和第二光子信号处理分支电路以及所述双通道信号分析器来控制所接收的振荡信号中的噪声的测量。