Based on the low-cost and steady-capability DOS(disk operation system) circumstance,two key technologies about the realization of continual real time data acquisition are introduced. One is DMA(direct memory access) and the other is two-buffer technology.
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- 文中基于成本低、性能穩定的磁盤(pán)操作系統(disk operation system,DOS)環(huán)境,介紹實(shí)現連續實(shí)時(shí)數據采集的兩項關(guān)鍵技術(shù),一種是直接存儲器存取(direct memory access,DMA)技術(shù),一種是雙緩沖技術(shù)。
