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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Robust economic growth--3.3% or better, over multiple years--sustains a positive feedback loop.

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Traders use multiple markets at once and create a feedback loop.

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