Aiming at the preceding problem, this paper puts forward a feature selection method using Information Gain (IG) and Principle Component (Analysis) (PCA).

针对上述问题，提出了信息增益(IG)与主成分分析(PCA)相结合的特征选择方法。

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To resolve the problem of low locating rate in fault diagnosis, efforts were made by using preceding fault information fully in lot assure tests.

针对机载设备故障诊断定位率低的问题，提出充分利用先验故障信息指导批次定检的思想。

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To resolve the problem of low locating rate in fault diagnosis of air-borne radio equipment, the idea was proposed to using preceding fault information in the tests of batch equipments.

本文针对机载无线电设备故障诊断定位率低的问题，提出利用先验故障信息指导批次定检的思想。

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