Meantime, differential signal is distilled by nonlinear tracking-differentiator instead of the method of difference, which improves the quality of differential signal.

同时用非线性跟踪-微分器代替差分法来提取微分信号，提高了微分信号的品质。

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The second algorithm is proposed because the method of difference image is not effective when the different information coming from two frames of difference image is too much or too little.

算法二是针对两帧差分图像之间所提供的差异信息过多或过少这两种极端情况，用差影法粗分割对人脸图像进行预处理时失效而提出来的。

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The method of difference, geometry-free combination, melbourne-wubbena combination for cycle slip detecting are analyzed in this paper. Then the test of cycle slip using COMPASS observations is made.

目前，有很多种用于周跳探测的方法，其探测原理都是建立在粗差理论基础上的，首先由观测数据组成适当的检验序列，使得周跳在该检验序列中以粗差的形式表现出来；

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This so-called Uplink Time Difference of Arrival or UTDOA method requires servers to be installed at each transmitter site.

FORBES: Judge Dismisses TruePosition Case -- With Invitation To Try Again

But what makes Sorger's method stand out is the difference in how it approaches the problem of scaling to the human body: the Swift scales, where other bicycles may simply get taller without increasing the wheel base.

ENGADGET: Engineering a better bicycle with DBC City Bike Design Alt

The indicators of the production of GDP are re-valued at constant prices with the double deflation method where the value added at constant prices is the difference between the value of output and the value of intermediate consumption at constant prices.

UNESCO: Belarus: Report: Part I: Descriptive Section