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DAQmxReadAnalogF64 function is too slow

PCI-6251是一块高速数据采集卡,采样速度1M.可在使用中发现采样函数DAQmxReadAnalogF64 响应太慢.我在VB和VC中都试过,结果都一样.等它与高速采样时,信号的开始部分已经过掉了.经对比发现比330K速度的同类产品的采样函数慢2ms,2ms在高速信号环境下是很长的一段.感觉这不应是高速采集卡应有的表现.希望各位高手给予指教.
 
 
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Hi,

You would get more response if you re-posted you question at the following link:

http://forums.ni.com/ni/board?board.id=250

Regards
Regards
Ray Farmer
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