随着装备复杂性的提高，测试_Y-程师面临的问题越来越多。通过对目前测试工程师工作难点的分析．结合 IEEE 1641(STD)标准对于信号定义的特点和其扩展机制，提出了解决方案．并通过可视化软件工具验证了STD对于 复杂信号定义与描述的能力-With the increased complexity of equipment, testing _Y-engineer the problem faced by more and more. Test engineers work throu