着重对故障信息的获取，故障检测与诊断方法的选择，故障容错控制方案及其实现等进行了介绍。
The paper lays emphasis on acquisition of the failure information, choice of the methods of detection and diagnosis, fault-tolerant scheme and its implement.
信号信息处理的新技术压缩感知，提供了认知无线电中宽带频谱检测的新方案。
Compressed sensing is a novel technology in signal information processing. It offers a new wide-band spectrum detection scheme in cognitive radio.
通过对液压系统供油回路的信号测试过程及信息融合方案的设计分析，阐明了液压系统故障检测和诊断的实现过程。
Through study of the testing technique for oil feed circuit and designing principle of data fusion, the realization of fault test and diagnosis for hydraulic system was illustrated.
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