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ʹÓÃsession-based interface CounterOutputChannel¿ØÖƵç»úÒÆ¶¯
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ÒÔǰÓÃÀϰ汾µÄinterface±à³Ì˼·ÊÇ£º ¶Ôµç»ú·¢Âö³å£¬Í¨¹ýÉ趨²½ÊýÀ´Ê¹Èõç»ú×ß¼¸²½¡£ µ«ÏÖÔÚʹÓÃsession-based interfaceºóÀïÃæµÄÊôÐÔ¶¼±äÁË¡£ s = daq.createSession('ni'); ch = s.addCounterOutputChannel(DevicesID, 'ctr0', 'PulseGeneration'); ÕâÊÇÎҵĽ¨Á¢Í¨µÀ´úÂë ÎÒ¿´ÁËÏÂsµÄÊôÐÔ s.NumberOfScans, s.DurationInSeconds, s.Rate, s.IsContinuous, s.NotifyWhenDataAvailableExceeds, s.IsNotifyWhenDataAvailableExceedsAuto, s.NotifyWhenScansQueuedBelow, s.IsNotifyWhenScansQueuedBelowAuto, s.Vendor, s.Channels, s.IsRunning, s.IsLogging, s.IsDone, s.RateLimit, s.ScansQueued, s.ScansOutputByHardware, s.ScansAcquired ÕâЩÊôÐÔÖÐÎÒËùʹÓõÄÒ»¸öÊÇs.NumberOfScans, s.DurationInSeconds, s.RateÈý¸ö¡£ ÎÒµÄÎÊÌâÊÇ£ºÖ®Ç°ÎÒʹÓà s.DurationInSeconds, s.RateÀ´¿ØÖƵç»úµÄÒÆ¶¯£¬µ«ÊÇ×ÜÊÇ´æÔÚÎó²î£¬ºóÀ´¸ÄÓÃs.NumberOfScansËäÈ»É趨ÁËÊýÁ¿£¬µ«ÊÇÎó²îÒÀÈ»´æÔÚ¡£ matlab°ïÖúÎĵµÀïÃæ¶ÔNumberOfScansµÄÃèÊöÊÇÕâÑùµÄ£º When working with the session-based interface, use the DurationInSeconds property to change the duration of an acquisition. When the session contains output channels, DurationInSeconds becomes a read only property and its value is determined by s.scanQueued/s.Rate. ÕâÓÖÊÇʲôÒâ˼¡£ ÎÒÔÚÏëÊDz»ÊDz»¹ÜÎÒÉèÖÃʲô£¬matlab¶¼»á×Ô¶¯ÕÛËã³Éʱ¼ä¡£ |
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