The predictive results and error analysis show that the method is feasible for stream flood prediction.
预测结果与误差分析表明，自适应滤波法用于江河洪水预测是可行的。
The Predictive Filter is an estimation method based on nonlinear system model, which determines the optimal model error using a one-step ahead control approach to provide accurate state estimations.
预测滤波器是一种基于非线性系统模型的滤波方法，它通过使输出一步前向预测误差最小来估计模型误差，具有较高的估计精度。
The simulation results showed that the indirect method had the characteristics with good anti-interference and stability, which predictive error was the same order of test error.
仿真结果表明，间接法的抗干扰性强、稳定性好，其预测误差与试验误差为同一量级。
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