Past research work about OBS network has mostly focused on reservation scheduling, burst assembling, signaling protocol definition and performance analysis, but few on network fault management.
以往人们对OBS网络的研究大多专注在网络的资源预留调度、突发汇聚、信令协议定义和性能分析上，少有网络故障管理。
It is necessary to improve test accuracy. On the basis of the virtual instrument signaling test system, this paper research for the system fault detection and error calibration function.
本课题是在虚拟仪器信号设备自动测试系统的研发基础上，针对此系统的故障检测与误差校准功能进行开发。
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