使用近似不动点技术，采用摄动迭代方法，目的是证明利普希茨伪紧缩映射序列的收敛性。

The object is to introduce a perturbed iteration method for proving the convergence of sequence of Lipschitzian pseudocontractive mapping using approximate fixed point technique.

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提出一个新的下降方向，在函数伪单调的条件下证明了算法的全局收敛性。

In this paper, we propose a new descent direction. Under the pseudomonotone of the underlying function, we prove the global convergence of the algorithm.

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本文分析了一种非相干伪码跟踪环路的线性以及非线性跟踪性能，并得到了环路的收敛域与收敛条件，这些分析结果对环路参数的设计都是至关重要的。

The algorithm presented in the paper achieved the stable condition and region of 2st-order DDLL. All of these analyses results are very important to design applicable parameters of the loop.

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