1、

Echo canceller is generally consisted of adaptive filter, single tone signal detector, far signal detector, near signal detector, nonlinear processor of the remaining echo and comfortable noise generator and other accessories.

回波抵消器一般由自适应滤波器、单音信号检测器、远端信号检测器、近端信号检测器、剩余回波的非线性处理器和舒适噪声产生器等构成。

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2、

Main contents studied include: ( 1) nonlinear adaptive filter predicting chaotic time series and hopping frequency code;

主要内容为:(1)非线性自适应滤波器对混沌时间序列及跳频码的预测;

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3、

Trajectory estimation by geostationary early warning satellite is important in ballistic missile defense. Staring trajectory estimation algorithm is discussed with the help of nonlinear KALMAN filter based on Stirling interpolate approximation.

地球静止轨道预警卫星弹道重构是弹道导弹防御的一个重要环节,利用基于Stirling插值逼近的非线性KALMAN滤波方法,对凝视型弹道重构算法进行了研究。

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4、

It is infeasible to use linear adaptive filter to create nonlinear model.

用线性自适应滤波器对非线性对象建模是不可行的。

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5、

Make use of the band-pass filter characteristics of HHT, effective filter for bubble flow, slug flow, churn flow and annular flow were achieved. The results show that after filter, signal can keep good local character and nonlinear element. 2.

该滤波方法利用HHT的带通滤波特性,实现对泡状流、弹状流、塞状流、混状流差压信号有效滤波,滤波后可以很好的保留两相流差压信号的非线性特征。

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6、

Identification of Nonlinear Hysteretic Systems with Slip by Extended Kalman Filter

基于扩展卡尔曼滤波的非线性带滑移滞变系统的实时估计

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