The phased array antenna has the features such as low profile, good conformal shape and high tracking speed, it is the development trend for communication antennas.

相控阵天线具有低轮廓、易共形、跟踪速度快等特点，是通信天线的技术发展趋势。

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The result of test shows that under different tracking speed, the servo control system using this algorithm all features high control accuracy and excellent dynamic performance.

试验结果表明，基于该算法的伺服控制系统在不同跟踪速度下均具有较高的控制精度和良好的动态性能。

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The control scheme combining analog PID with digital PID has a high control accuracy and fast tracking speed.

模拟式PID与数字式PID相结合的控制方案，控制精度高，跟踪速度快。

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In addition to tracking location, they track speed, distance, heart rate and calories burned.

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The Vanquish is at its absolute best tracking straight and true at high speed, an avenging spirit with diamond eyes.

WSJ: 2014 Aston Martin Vanquish Review: No, Mr. Bond, I Expect You to

Picula told Reuters Del Ponte and Racan would probably seek to speed up the process of tracking down and extraditing war criminals and added that the Croatian judiciary itself would also want to play an active part.

CNN: Croatian papers