预测需要 meaning in Chinese
forecast demand
Examples
- On this basis , the paper sets up tentatively an ann forecasting model which combining many kinds of precision - evaluations and may accord with the modern logistics , and offers the detailed theory method appears and design - steps
在此基础上，初步建立了结合多种精度评价指标、符合现代物流预测需要的神经网络预测模型，并给出了详细的理论方法和设计步骤。 - Distilling effective data from dbselect database and building data mining database ; according to the idea of prognostication , computing data in order to satisfy the need of prognostication and using minconf to judge , finally getting the result . because of the objective factor , the result must be adjust by adjustment matrix
根据建立预测模型的基本思路，从数据库中依次求出预测需要的各类数据，并以最小置信度作为约束条件对数据进行精简，最终得到转移概率矩阵。 - These are correlation characteristic parameter , fourier spectrum characteristic parameter , power spectrum characteristic parameter , time domain amplitude characteristic parameter , linear prediction coding coefficients , instantaneous characteristic parameter , absorb and decay coefficient , velocity characteristic parameter and wavelet packet transform characteristic parameter . the parameters contain the surface relatively wide , the prediction which is suitable for the goal of many kinds of seism needs
分别为：自相关特征参数、付立叶谱特征参数、功率谱特征参数、时域振幅特征参数、线性预测编码系数、瞬时特征参数、吸收衰减系数、速度类特征参数和小波包变换特征参数，参数涵盖面较宽，适用于多种地质目标的预测需要。 - Directed at the powerful nonlinear mapping ability of neural network . the paper sets up 3 - bp network . on this basis , the paper sets up tentatively an combined forecasting methods based on the ann theory which may accord with the short - term sale forecasting , and offers the detailed theory method appears and design - steps
针对神经网络具有强大的非线性映像能力，建立三层bp网络进行预测分析。在此基础上，初步建立了基于神经网络、符合销售额预测需要的组合预测模型，并给出了详细的理论方法和设计步骤。