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本文讨论数据传输网络的測量时间问题。以高斯信道为模型,对数据信号畸变的统计规律进行了定量分析,得出了计算公式与分析结果。明确了測试样元数,測试时间与畸变最大值之间的统计关系,并给出121机计算程序与计算结果。所得结果为CCITTV.53项建议的含义与适用范围提供了理论基础,并指出节省网络测试时间的可能性。
This article discusses the measurement time of data transmission networks. Taking Gaussian channel as a model, the statistical rules of data signal distortion are quantitatively analyzed, and the calculation formulas and analysis results are obtained. The statistical relationship between the number of test samples, the maximum test time and the distortion is defined, and the calculation program of 121 machine is given. The results provide the theoretical basis for the meaning and scope of CCITTV.53 recommendations and point out the possibility of saving network testing time.