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首先介绍了用计算机模拟计算 SDH 指针调整抖动的方法,并给出了模拟结果。然后,在采用了抑制指针调整抖动的自适应比特泄漏技术的基础上,研究了 PDH 信号在SDH 和 PDH 混合网中传输时指针调整抖动的积累规律。
First of all, the method of adjusting the jitter of the SDH pointer by computer simulation is introduced and the simulation results are given. Then, based on the adaptive bit leakage technique which suppresses the pointer adjustment jitter, the accumulation rule of pointer adjustment jitter when the PDH signal is transmitted in the hybrid network of SDH and PDH is studied.