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不同随机分布的相位随机化对实测数据影响的分析研究 被引量:11

The Influence of the Different Distributed Phase_Randomized on the Experimental Data Obtained in Dynamic Analysis
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摘要 本文对服从不同分布的随机数相位充分随机化后对动力系统实测数据生成的替代数据的影响做了分析研究,计算结果表明:不同分布的随机数相位充分随机化后对临界值无质的影响·这对相位随机化方法的可行性,实用性和广泛应用提供了理论依据。 In this paper the influence of the differently distributed phase_randomozed to the data obtained in dynamic analysis for critical value is studied. The calculation results validate that the sifficient phase_randomized of the different distributed random numbers are less influential on the critical value. This offers the theoretical foundation of the feasibility and practicality of the phase_randomized method.
出处 《应用数学和力学》 CSCD 北大核心 1998年第11期955-964,共10页 Applied Mathematics and Mechanics
基金 国家自然科学基金
关键词 相位随机化 随机时序 随机分布 实测数据 experimental data, surrogate data, critical value, phase_randomized, random timesies, chaotic timesieries
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