In this paper, travel time of pulse on TDR probe is determined with a variable-step tangent algorithm. A program is also designed to determine travel time and evaluate the permittivity automatically according to the algorithm introduced in this paper. An good effect is accomplished by testing data sampling by TDR-I system.
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沈绍祥. TDR波形传输时间的切线法判定与实现[J]. 科学技术与工程, 2009, 9(24): . shenshaoxiang. The implementation and determination of traveling time of TDR waveform with tangnt method[J]. Science Technology and Engineering,2009,9(24).
