A Multi-channel Pipeline FIR Filter
A filter and multi-channel technology, applied in the field of filters, can solve the problems of low computing efficiency, and achieve the effects of easy expansion of order, simple cascading method, and high computing efficiency
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[0017] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0018] Firstly, the data of M channels input in parallel are time-divisionally merged into one channel, and then a zero-order filter unit and cascaded N-1 general-purpose filter units are used to perform multi-channel pipeline N-order FIR filtering operations on the channel data, and a total of Consume N multipliers and N-1 adders, and finally divide the operation results into M channels for parallel output. The structural block diagram is as follows figure 1 shown. Among them, s_axi_data_i is the i-th input data, m_axi_data_i is the i-th output data after the calculation is completed, i=0,1,...M-...
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