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METHODS AND DEVICES FOR COUNTING A SERVICE DURATION FOR A SPREAD CLOCK SIGNAL AND DETERMINING OR GENERATING AN ACTUAL TIME DURATION
METHODS AND DEVICES FOR COUNTING A SERVICE DURATION FOR A SPREAD CLOCK SIGNAL AND DETERMINING OR GENERATING AN ACTUAL TIME DURATION
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机译:用于计算扩展时钟信号的服务持续时间并确定或生成实际时间持续时间的方法和设备
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摘要
A method for counting a service duration of time measurement on a clock signal including periodic transitions and for determining an actual duration (tmr) of measurement as a function of the service duration, the signal having undergone spectrum spreading according to a periodic variation algorithm causing a frequency modulation of the clock transitions of the signal and creating a difference between actual duration (tmr) and service duration. There are counted during successive time increments at least service times for starting (t_d_s) and stopping (t_a_s) and, on the basis of these times, there are determined actual times for starting and for stopping (t_d, t_a) serving for the calculation of the actual duration of measurement (tmr) as a function of the parameters of the variation algorithm. The invention also relates to a method of continuous compensation of the error between actual and service durations.
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