Sequence waveform synthesis method based on DMA (Direct Memory Access)
A waveform synthesis and SG-DMA technology, applied in instruments, electrical digital data processing, memory systems, etc., can solve problems such as CPU unresponsiveness and data loss, and achieve the effect of preserving waveform details, improving performance, and increasing waveform storage depth.
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[0026] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0027] Such as figure 1 , 2 As shown in the figure, a schematic block diagram of sequence waveform synthesis is given in the figure. The long waveform sequence is composed of short sequence segments of p segments with different numbers of points, and the number of repetitions of each segment is n respectively. k (n k =1, 2, 3...N, N is a positive integer, the maximum value depends on the storage space, k=1, 2, 3...p), assuming that the number of data points forming each waveform is m k (m k =1, 2, 3...N, N is a positive integer, the maximum value depends on the storage space). The storage space required by the traditional data storage method is The sequence method is used because it is not necessary to pay attention to the number of repetitions of the waveform segment, only to store different waveform segments once, and its storage spa...
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