Via frequency domain methods, the problem of stabilization by output feedback based on observer for linear system with multiple delays was discussed.

针对线性多时滞系统，利用频域法研究了线性多时滞系统基于观测器的输出反馈镇定控制问题。

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In this paper, a filtering theory is applied to the multiple closed-loop feedback system for tracking a single target in range, velocity, azimuth and elevation in an airborne radar.

本文论述将滤波理论应用于机载雷达中对单个目标进行距离、速度、方位角和高低角跟踪的多环反馈系统。

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A multiple feed forward and feedback GPC algorithm for cascade system is developed to make full use of the knowable information of the plant so as to bring about the optimum control performance.

为了充分利用对象的可知信息以实现串联系统的最优控制，提出了串联系统的多前馈-反馈广义预测控制算法。

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The foundation and others have estimated that it could cost between 1.5% and 2% of the overall budget for teacher compensation and benefits to implement a feedback and evaluation system based on multiple measures of teaching performance.

CNN: Bill Gates: Invest in better teaching