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DELAY TIME DIFFERENCE MEASUREMENT METHOD, CALIBRATION TIME DELAY DIFFERENCE MEASUREMENT METHOD, TRANSMISSION SPEED MEASUREMENT METHOD AND DELAY TIME DIFFERENCE MEASUREMENT DEVICE
DELAY TIME DIFFERENCE MEASUREMENT METHOD, CALIBRATION TIME DELAY DIFFERENCE MEASUREMENT METHOD, TRANSMISSION SPEED MEASUREMENT METHOD AND DELAY TIME DIFFERENCE MEASUREMENT DEVICE
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机译:延迟时间差测量方法,校准时间延迟差测量方法,传输速度测量方法和延迟时间差测量设备
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摘要
PROBLEM TO BE SOLVED: To provide the delay time difference measurement method by which the delay time is measured with high accuracy. SOLUTION: A time difference between a signal sent through a 1st transmission path 34 with a 1st measured object 40 inserted thereto and a signal sent through a 2nd transmission path 36 with a 2nd measured object 42 inserted thereto is measured as a 1st delay time difference Δt1. The 1st measured object 40 and the 2nd measured object 42 are replaced with each other, and a time difference between a signal sent through the 1st transmission path 34 with the 2nd measured object 42 inserted thereto and a signal sent through the 2nd transmission path 36 with the 1st measured object 40 inserted thereto is measured as a 2nd delay time difference Δt2. Then the delay time difference between the 1st measured object 40 and the 2nd measured object 42 is obtained as a half of the difference between the 1st delay time difference Δt1 and the 2nd delay time difference Δt2.
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