counter card meaning in Chinese

信用卡

A systematic project of the platform for time - frequency signals measurement and analysis with high precision is put forward in this thesis . the platform consists of two mixers , a pc computer with counter card , and special software for measurement control and data analysis , forming a digital , virtual , synthetic , automatic system for time - frequency measurement with high precision
本论文提出了一种高精度时间频率信号测量与分析平台的系统方案，该平台由两个差拍器、一台带有插卡式计数器的pc机和一个专用的测量控制与数据分析软件组成，形成一个数字化、虚拟化、综合化、自动化的高精度时间频率测量系统。