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怎样编写定时采集程序(例如每隔一分钟采集一段数据)

请教一下,我需要编写一段声音采集的程序,信号持续时间为3秒,我想作连续采集,但每次采集0.2秒后立即作FFT分析并保存。前面板上设置三个显示框,用以显示连续三个0.2秒钟的信号分析结果。谢谢了
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I need to write a sound acquisition program, the signal duration is 3 seconds, I would like to make a continuous collection, but each time immediately after collecting 0.2 seconds for FFT analysis and save. Set of three boxes on the front panel display to show three consecutive 0.2-second signal analysis results


 

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