In this paper, it was analyzed and discussed the fuzzy set analysis method used to calculate stage and limiting water level at each stage in flood-peroid.
本文用模糊集合分析法对陆浑水库的汛期分期及各分期的限制水位推求进行了分析和探讨。
On the basis of the analysis of factors affecting the river water level, the BP neural network model, based on the gradient descending algorithm, is used to calculate the river water level.
在分析影响河道水位因素的基础上，采用基于梯度下降算法的BP神经网络模型推算河道水位，同时采用传统的上下游水位线性相关方法进行水位推算。
Based on hydraulics open ditch uniform flow theory, this paper builds up the formula to calculate the velocity gaging section water level current.
从水力学明渠均匀流理论出发，建立了计算测流断面水位和流量的公式。
The program is utilized to calculate soil rocks dam free surface position variation and pore-water pressure distribution condition with time when the up water level position changed.
利用所编写的非稳定渗流计算程序，计算土石坝上游水位变化时自由面位置随时间的变化规律、孔隙水压力的分布情况。
The method is introduced to calculate the stable and instable water level in the foundation pit after disturbed Wells going into work, and it is programmed.
介绍了干扰井群工作后基坑的稳定和不稳定水位降深的计算方法，并编制了相应的计算程序。
This method can be used to calculate the transmissibility coefficient of well aquifer by means of the oscillation curve of well water level instead of the recovery curve.
该方法不是用井水位的恢复曲线，而是用井水位的振荡曲线计算出水井含水层的导水系数。
The model is used to calculate water level and dis-charge of river network with tidal level as independent variable.
该模型根据潮水位的变化，模拟河网的水位和流量变化过程。
Through the establishment of two-dimensional mathematical model of flow and sediment, calculate and analyse the effects on river water level, flow field and riverbed erosion and deposition.
通过建立二维水沙数学模型，计算分析对河道水位、流场及河床冲淤的影响。
Through the establishment of two-dimensional mathematical model of flow and sediment, calculate and analyse the effects on river water level, flow field and riverbed erosion and deposition.
通过建立二维水沙数学模型，计算分析对河道水位、流场及河床冲淤的影响。
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