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本文基于实际存在的M序列的自相关函数,得到了用相关法求系统脉冲响应函数的基本公式。讨论了测量锁相环脉冲响应函数的方法,并给出了测量所用主要部件的数学模型。最后对实测曲线作了频谱分析。
Based on the actual autocorrelation function of M series, the basic formula of the system impulse response function is obtained by the correlation method. The method of measuring the impulse response function of the PLL is discussed and the mathematical model of the main components used in the measurement is given. Finally, the measured curve made a spectrum analysis.