This paper applies manifold learning method in aircraft image identification, and proposes an algorithm of aircraft identification based on improved Isometric Mapping(ISOMAP).

将流形学习方法应用于飞机图像识别中，提出一种基于改进等距映射（ISOMAP）的飞机识别算法。

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These amplifiers are key components in a complex Identification friend or foe (IFF) system used to interrogate aircraft to determine their friend or foe status.

这些放大器是一种复杂敌我识别系统(iff)的重要组成部分，专门用来问讯飞机，以确定他们是敌是友。

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Thus, the IFF systems ensure reliable identification of incoming aircraft substantially reducing the risk of accidentally attacks on friendly forces.

因此，敌我识别系统可以确保进入飞机的可靠识别，大大减少对友军意外攻击的风险。

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"Electronic identification of employees all around the aircraft in secure areas -- we need that, " Duane Woerth of the Airline Pilots Association.

CNN: Airports inconsistent on security, officials say

This is critical since these are the form of identification most often used for such security-sensitive purposes as boarding commercial aircraft, gaining access to federal facilities and establishing bank accounts.

CENTERFORSECURITYPOLICY: Unfinished business