Modular Data Acquisition
Distributed Measurement and Control
High-Performance Test
Automated Test System Development Software
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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 11-07-2018 08:04 AM
请问NI myDAQ数据采集卡可以同时使用200Khz频率采样和50K方波输出吗?我设计了同时AO输出10HZ两路方波,和同时AI进行1KHZ的频率进行采样,但是当我的方波频率和采样率同时提升到50K和200k的时候程序就工作不正常了,请问是myDAQ不能在这么高频率下工作吗?
修改时间 11-11-2018 01:05 AM
您好,myDAQ的模拟输入最大采样速率是200kS/s,您选用的采样频率恰好处在临界点上。我们在测试测量中可以适当的减少采样速率以保证数据的正常采集。
您可以参考myDAQ的说明书来帮助您进行参数设定。
http://www.ni.com/pdf/manuals/373061f.pdf
Liu Sang
National Instruments
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