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METHOD AND ARRANGEMENT FOR DIGITAL REGULATION OF THE PHASE OF THE SYSTEM CLOCK OF A DIGITAL SIGNAL PROCESSING SYSTEM.
METHOD AND ARRANGEMENT FOR DIGITAL REGULATION OF THE PHASE OF THE SYSTEM CLOCK OF A DIGITAL SIGNAL PROCESSING SYSTEM.
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机译:用于数字信号处理系统的系统时钟的相位的数字调节的方法和装置。
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摘要
Method for digitally controlling the phase of the system clock frequency of a digital signal processing system which processes an analog signal containing a reference signal, wherein a fixed phase relation exists between the digitalized reference signal and the system clock frequency, which includes digitalizing the reference signal by sampling the analog reference signal, weighting the scanning values of the digitalized reference signal for obtaining a digital phase comparison variable, feeding the phase comparison variable through a digital PLL filter to a digitally controlled oscillator, and deriving the system clock frequency from the output signal of the digitally controlled oscillator, and an apparatus for carrying out the method.
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