Using the methods of time series spectral analysis and Kalman filter, this article discussed the additive problems of two stochastic processes, mainly Auto Regression Moving Average (ARMA) processes.

本文利用时间序列谱分析和卡尔曼滤波的方法讨论了两个随机过程，主要是自回归滑动平均(ARMA)过程，的叠加问题。

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In this paper, we discussed the underwater sound reverberation of moving medium, which is a non-stationary stochastic process even after compensating its energy attenuation.

本文讨论了运动介质的水声混响过程，在补偿了能量衰减之后，它仍是一非平稳随机过程。

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The moving of the security-price in market can be set apart into two parts: the directional moving has obvious trend, and the stochastic fluctuation has no trend.

证券市场证券价格的运动可以划分为有明确趋势的定向运动与无趋势的随机波动。

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Technically, the Dow Industrial Average has a negative weekly chart profile with declining technical momentum (12x3x3 weekly slow stochastic) and weekly closes below the five-week modified moving average at 12, 009.

FORBES: Stocks Are Cheap But The Technicals Are Weak

The transports ended the week with a negative weekly chart profile with declining momentum (12x3x3 weekly slow stochastic) reading and a weekly close below the five-week modified moving average at 5108.

FORBES: Dow Transports Need To Show Positive Signs To Get Bull Market Moving