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本文对水堆中的中子局部噪声和整体噪声进行了理论分析。并提出了两种测量局部噪声成分弛豫长度的方法,一种为直穿活性区扰动法,另一种是振荡源扰动法.
In this paper, the neutron local noise and global noise in water reactor are analyzed theoretically. Two methods to measure the relaxation length of the local noise components are proposed. One is the perturbation method through the active region and the other is the oscillation source perturbation method.