High-speed data collection and storage system based on FPGA and PCIe

Abstract

The invention discloses a high-speed data collection and storage system based on an FPGA and PCIe. The system includes an AD collection module, a signal preprocessing module, a dual-port RAM, a PCIe data transmission module, a solid-state disk array, a self-checking module, a power supply module, a serial-port control module and a clock module. The AD collection module is used for collecting signal data. The signal preprocessing module preprocesses the data collected by AD. The PCIe data transmission module is used for storing the data, which are already processed by the FPGA, to the solid-state disk array. The self-checking module is used for carrying out fast Fourier transform on the data stored to the solid-state disk array, and judging whether system working is normal. According to thesystem, the data can be collected at an ultra-high sampling rate of up to 3.6 GHz, bit cutting, selective storage and addition of data identifiers are completed through preprocessing the data, and real-time data transmission is realized.

Description

technical field [0001] The invention relates to a data acquisition and storage system, in particular to a high-speed data acquisition and storage system based on FPGA and PCIe. Background technique [0002] With the rapid development of information technology, the throughput of data processing is increasing, and the requirements for high-speed real-time performance are also getting higher and higher. Therefore, high-speed data acquisition and real-time storage technology is becoming more and more important in digital signal processing. To evaluate the quality of a data acquisition and storage system, the main considerations are the speed of data processing and storage capacity. Under the condition of ensuring stability, the data reading and writing rate and storage capacity should be increased as much as possible to meet the requirements of modern industry and scientific research for system speed and capacity. [0003] High-speed data acquisition has extremely high requirem...

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Problems solved by technology

[0003] High-speed data acquisition has extremely high requirements on signal integrity, signal interference, high-speed PCB wiring, data processing and high-speed real-time storage, and its application environment is often very complicated. In current practical applications, it is difficult to find a high-speed Data acquisition and data acquisition system capable of large-capacity storage to ensure long-term high-speed data acquisition

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