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位标器的跟踪性能由跟踪信号驱动形成的周期平均力决定,跟踪收敛性是位标器跟踪性能的重要体现。应用级数理论分析了位标器的跟踪收敛特性,得出了位标器的跟踪收敛性受到位标器跟踪系数k和跟踪相位误差Δθ影响的结论。并通过计算给出了位标器跟踪的收敛条件和收敛步长,即随着跟踪系数k与1的偏差Δk及跟踪相位误差Δθ增大,跟踪收敛步长也会相应增大。这些结论会给位标器跟踪算法的设计提供重要的理论支撑。
The tracking performance of the scaler is determined by the periodic average force formed by the tracking signal. The tracking convergence is an important manifestation of the tracking performance of the scaler. The theory of series of applications is used to analyze the tracking convergence of the scaler. The conclusion is drawn that the tracking convergence of the scaler is affected by the tracking coefficient k of the scaler and the tracking phase error Δθ. The convergence condition and convergence step of the scaler tracking are given by calculation. That is to say, as the deviation Δk of the tracking coefficient k and 1 and the tracking phase error Δθ increase, the tracking convergence step will also increase correspondingly. These conclusions will provide an important theoretical support for the design of the tracker tracking algorithm.