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Digital data rate corrector and time base corrector
Digital data rate corrector and time base corrector
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机译:数字数据速率校正器和时基校正器
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摘要
A first digital data memory is responsive to a first clock signal varying at a rate in accordance with the timing errors contained in a stream of digital data to enter the digital data for temporary storage. The stored digital data is retrieved from storage in the first digital data memory in response to a second clock signal of a stable reference rate. The relative times of entering and retrieving the digital data in the first digital memory are set according to the occurrence of a selected sequence of digital data bits contained in the digital data. The digital data retrieved from the first digital data memory is further temporarily stored in a second digital data memory for an interval determined by the time difference between the occurrence of the selected sequence of digital data bits and the occurrence of a reference time signal.
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