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激光多普勒信号跟踪微分器的分析与设计
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为了有效跟踪多普勒信号，设计了一种离散跟踪-微分器，对于输入的任意有限区域上积分有界的信号，从数学上证明了其渐近稳定性、跟踪的快速性；仿真结果表明了设计的正确性。该线性离散跟踪-微分器，能够消除差分法中的误差，获得输入信号的解析解，其跟踪速度快，设计过程简单。
关 键 词 多普勒信号; 线性离散跟踪-微分器; 有界区域; 差分
Abstract In order to track Doppler signal effectively, a linear discrete-time tracking-differentiator is designed. For the integral-bounded input signal on an arbitrarily finite field, the progressive stabilization and the rapidity of this kind of tracking-differentiator are proved from mathematical analysis and the result of simulation. The obvious error occurred in difference method can be basically removed by using this kind of linear discrete-time tracking-differentiator and the design process is simple.
Key words Doppler signal; linear discrete-time tracking-differentiator; bounded field; difference
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