then, the wvd function's mechanism of suppressing additive random noise in stationary random process is analyzed theoretically.
然后,从理论上分析了它抵消平稳随机过程中与信号不相关的加性随机噪声的机理;
according to statistic stationary random process theory , a set of three - dimensional indexes and methods describing the shape of spatial curved surface of rough fracture have been presented.
根据数理统计原理,从随机平稳过程理论出发,提出了一套描述裂隙空间曲面几何形态的三维指标和方法。
the basic definitions of stationary random process and the principles of using spectrum decomposing to simulate the stationary random process were given.
叙述了平稳随机过程理论的基本定义,以及运用实谱分解方法模拟平稳随机过程的原理。
this paper deals with analysis procedures of periodically locally stationary random process which is a specific class of locally stationary process.
本文讨论一类特殊的局部平稳随机过程——周期性局部平稳随机过程的分析方法。
the dynamic measurement is a non stationary random process varying with the measuring time. the dynamic measuring data have the characteristics of time variation, randomness, correlation and dynamic.
the registration of guest is in a random, it is difficult to describe by accurate distributed function, but it can be changed to stationary random process after making some rational assumption.