目的结合国内外电子测试仪器的发展现状、技术特点和发展趋势,进行基于PXI总线自动测试系统的设计与应用;方法计算机技术与测试技术相结合;结果使采用误差修正的高精度测量、实时测量和自动测量成为可能,虚拟仪器技术越来越多地应用于测试、测量、控制领域的各个方面,成为测控领域的重要发展方向;结论该系统经测试,使用效果良好,能大幅度提高检测效率。 OBJECTIVE To combine the development status, technical characteristics and development trend of electronic test instruments at home and abroad with the design and application of automatic test system based on PXI bus; the method of computer technology combined with test technology; the result is to use high-precision error correction correction, real-time measurement And automatic measurement becomes possible. Virtual instrument technology is more and more applied in all aspects of the field of measurement, measurement and control. It has become an important development direction in the field of measurement and control. Conclusion The system has been tested and used well, which can greatly improve the detection efficiency .