Experts develop such sensitive perceptual radar the old-fashioned way, of course, through years of study and practice.

专家们经过了许多年的研究和实践，用老式的方法开发出一种叫做敏感知觉雷达系统，当然，还是有些新的一些发现。

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Previously, detection systems used radar, which is expensive and not particularly sensitive to human beings.

此前汽车探测系统所使用的雷达不仅价格昂贵而且对人体探测并不敏感。

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In the system of radar, Doppler frequency is very sensitive to the coding signal.

雷达系统中，相位编码信号对多普勒频率非常敏感。

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The radar is being tested in its most sensitive mode to ensure that it works properly in combat.

CENTERFORSECURITYPOLICY: Center For Security Policy