Modular Data Acquisition
Distributed Measurement and Control
High-Performance Test
Automated Test System Development Software
Perspectives showcases how NI sees what’s next in the world of test and technology.
You can request repair, RMA, schedule calibration, or get technical support. A valid service agreement may be required.
Provides support for NI data acquisition and signal conditioning devices.
Provides support for Ethernet, GPIB, serial, USB, and other types of instruments.
Provides support for NI GPIB controllers and NI embedded controllers with GPIB ports.
修改时间 12-20-2010 12:26 AM
CVI连接ACCESS数据库时,如何在不断写入数据(如,每秒向数据库中写入一段数据)的同时从数据库中按时间查询已写入数据库中以前某段时间到现在的数据?
修改时间 12-26-2010 07:32 PM
你可以为每个记录加一个“时间”的字段,以后根据这个字段进行检索。