锁相环脉冲响应函数的测量和分析
THE MEASUREMENT AND ANALYSIS OF THE IMPULSE RESPONSE FUNCTION OF A PHASE LOCKED LOOP
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摘要: 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。
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关键词:
Abstract: Based on actual M-sequence autocorrelation function, this paper has formulated the system impulse response function with the method of correlation, given a discussion for the measurement of impulse response function of phase locked loop, derived the mathematical models for major components, with which the measurement was taken,and finally, analysed the frequency spectra for curves actually measured. -
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