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Multi-channel signal acquiring system based on NAND

A signal acquisition system and multi-channel technology, applied in data acquisition and recording, information storage, digital memory information, etc., can solve the problems of small storage bandwidth, large storage volume, and high power consumption

Inactive Publication Date: 2009-11-25
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology

[0003] The purpose of the present invention is to aim at the shortcomings of large storage volume, large power consumption and small storage bandwidth in the storage system composed of disks in the existing embedded applications, and design and use large-capacity storage chip NAND to build a multi-channel high-speed signal acquisition system, and Realize simultaneous acquisition of multiple channels

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  • Multi-channel signal acquiring system based on NAND
  • Multi-channel signal acquiring system based on NAND
  • Multi-channel signal acquiring system based on NAND

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Embodiment Construction

[0039] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments:

[0040] A NAND-based multi-channel signal acquisition system includes: 2 dual-channel high-speed data acquisition boards, 8 NAND storage boards with a capacity of 384GB, a clock board, a dump board, a secondary backplane, a motherboard, standard 6U17 slot CPCI chassis and a client computer.

[0041] The dual-channel high-speed data acquisition board is responsible for collecting the received broadband analog signals according to the sampling clock and wave gate signals provided by the clock board, and packaging the sampled data according to the parameters set by the motherboard, and then sending it to the high-speed large-capacity storage board ; Each dual-channel high-speed data acquisition board integrates two Atmel’s TS83102G0 to achieve an analog-to-digital conversion rate of 900MSPS; each dual-channel high-speed data acquisition board...

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Abstract

The invention relates to a multi-channel signal acquiring system belonging to the technical filed of digital signal processing. The system comprises: one clock module, two double-channel high speed data acquisition module, eight NAND storage modules, one unloading module, one secondary baseboard module, one main control module and one client end module, the analog signals can be acquired and stored in real time by four-way 900 MHZ sampling rate, the system has 3 TB storage capacity. The invention adopts the NAND storage body as the storage medium, has advantages of small facility volume and low power consumption, the synchronization consistency of four-way acquisition channel can be implemented by the synchronization processing of a clock enable signal, a sampling trigger signal and a sampling clock and the accurate design of a signal delay.

Description

Technical field [0001] The invention relates to a multi-channel signal acquisition system, which belongs to the technical field of digital signal processing. Background technique [0002] Data storage devices are widely used in various industries such as radar, industrial automation, medical and health, and communications. Due to the different environments in which the devices are used, their implementation methods are also different. How to achieve as economical, convenient, and practical as possible under the premise of meeting performance requirements is still an important reason for the continuous innovation of data storage research. In the research of modern data storage systems, especially in embedded applications, how to achieve high-speed data acquisition and mass storage under the condition of limited volume power consumption, and to achieve data playback and reproduction, has become a current research hotspot. For example, in a radar receiving system, it is often necess...

Claims

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Application Information

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IPC IPC(8): G06F17/40G06F15/00G05B19/04G11C11/34
Inventor 谢民高梅国张雄奎方秋均李先楚雷磊刘国满侯文才
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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