In the paper, the mathematical model for the proposed method is deduced, and the mean and variance of the acquired carrier difference phase of the proposed method are analyzed and simulated.

给出了该方法提取两导航台载波差分相位的数学模型，并分析了该方法提取的差分相位的均值及误差，进行了计算机仿真。

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The only significant difference is the length of each phase.

唯一重要的不同是每个阶段的长度。

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Another difference between oncology and conventional drugs is the endpoint of most Phase III trials.

肿瘤药物和常规药物的另一个区别在于大多数三期试验的终点。

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Even the advanced two-stage focusing system has made its way from the T4i, which utilizes both phase-difference and contrast AF in order to achieve focus more efficiently when capturing video.

ENGADGET: Canon EOS M mirrorless camera hands-on (video) Hands-on

Patients getting bapinezumab in phase 2 testing didn't show a difference on cognitive symptoms compared with those who weren't.

WSJ: For Alzheimer's, a Fork in the Road

Button's slightly less strict interpretation of the instruction was what was behind his greater speed at this phase of the race, rather than any intrinsic difference in their potential - which appeared to be extremely closely matched.

BBC: Are Lewis Hamilton & Jenson Button set to collide?