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介绍了两种消息基VXI仪器模块HPE1440A和HPE1426A的原理、性能及使用方法,并结合一个信号采集实例的实现,说明虚拟仪器在测控系统中的应用特点。
The principle, performance and usage of two kinds of message-based VXI instrument modules HPE1440A and HPE1426A are introduced. The realization of a signal acquisition example is introduced to illustrate the application characteristics of the virtual instrument in the measurement and control system.