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一、引言在某些场合,必须保证对重要参数进行测量的准确性。为此,常采取重复测量即时间冗余抗干扰容错技术。例如某一数据采集系统中,用计算机控制高速A/D对10个重要参数进行测量,而每一个参数连续测量5次,然后对每个参数的5个数据进行分析,把因干扰而采集的值剔除出去,再取余下的数据之平均值做为该参数的值。如果只考虑判别这5个重复测量值的问题,实际上就转化为
I. Introduction In some occasions, the accuracy of the measurement of important parameters must be guaranteed. To this end, often take repeated measurements that time redundancy anti-interference fault-tolerant technology. For example, in a data acquisition system, 10 important parameters are measured by a computer controlled high-speed A / D, and each parameter is measured continuously for 5 times. Then, five data of each parameter are analyzed, and the data collected due to interference Value out, then take the average of the remaining data as the value of the parameter. If we only consider the problem of discriminating these five repeated measurements, we actually convert it into