A 3D Mapping Synchronization Method for Multi-FPGA Multi-channel Acquisition System
A multi-channel acquisition and multi-channel technology, which is applied in the directions of database distribution/replication, structured data retrieval, etc., can solve problems affecting acquisition waveform observation, achieve cross-clock domain data reception, good mapping synchronization, and reduce R&D difficulty Effect
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[0035] figure 1 It is a flow chart of a three-dimensional mapping synchronization method of a multi-FPGA multi-channel acquisition system of the present invention.
[0036] Three-dimensional mapping asynchrony mainly includes three types of asynchrony: 1. Asynchrony of mapping caused by mapping between channels. 2. The mapping caused by state machine transitions between FPGAs is not synchronized. 3. The mapping caused by the data transfer of the 3D database is out of sync.
[0037] Below we describe in detail these three types of asynchrony. Specifically:
[0038] S1. The mapping caused by the mapping between the channels is out of synchronization
[0039] There are two types of 3D mapping, one is point mapping and the other is vector mapping.
[0040] For point mapping, such as figure 2 As shown, the adjacent N sampling points in the acquisition buffer are a set of data (L1, L2, L3), the maximum and minimum values are filtered out from a set of data, and the amplitud...
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