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 11-29-2010 08:39 PM
本人是信号处理的菜鸟，如果问题很可笑请大家见谅。
1.频谱分析是不是有好几种方法啊？一种是利用FFT模块，另一种是利用幅度谱和相位谱模块？还有其他的吗？区别是什么啊？我用前两种做出的频谱图怎么不一样啊？
2.采集的数据存储在excel表格里，时域处理是不是利用“读取电子表格”模块就可以啊 ?
望高手指点，谢谢谢谢啊！
