[1]张鹏,谢锐.引信高频脉冲编码信号测试装置优化[J].探测与控制学报,2020,42(02):14.[doi:.]
 ZHANG Peng,XIE Rui.Optimized Test Device for Fuze High Frequency Pulse Coding Signal[J].,2020,42(02):14.[doi:.]
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引信高频脉冲编码信号测试装置优化()
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《探测与控制学报》[ISSN:1008-1194/CN:61-1316/TJ]

卷:
42
期数:
2020年02
页码:
14
栏目:
出版日期:
2020-04-15

文章信息/Info

Title:
Optimized Test Device for Fuze High Frequency Pulse Coding Signal
文章编号:
1008-1194(2020)02-0014-06
作者:
张鹏谢锐
中北大学仪器科学与动态测试教育部重点实验室,山西 太原 030051
Author(s):
ZHANG Peng XIE Rui
Key Laboratory Of Instrumentation Science and Dynamic Measurement of Ministry of Education, North University of China, Taiyuan 030051,China
关键词:
引信存储测试高速采集FPGA编码信号
Keywords:
fuze storage testing high speed acquisition FPGA coded signal
分类号:
TN98
DOI:
.
文献标志码:
A
摘要:
针对频率高、速度快、有限空间等恶劣环境,目前还不能精确测得引信系统输出高频脉冲编码信号的问题,提出了一种基于高速数据采集存储技术的高频脉冲编码信号采集存储测试装置。该装置通过阻抗匹配设计解决了消顶现象,对高速ADC综合选型,提高了采样精度,并且解决了时钟抖动引起的低信噪比问题。以FPGA作为主控制器,采用FPGA+SSRAM+Flash架构,将采到的数据缓存到SSRAM中,采集完成后再转存入Flash避免了存储过程中丢点情况。考虑到电磁干扰,对匹配网络进行了仿真。仿真试验结果表明,测试装置采样速度可达500 MHz,采样精度为12 bit,且能稳定采集,信号完整性良好,满足测试装置对脉冲信号的采集存储要求,具有一定的使用价值。
Abstract:
Aiming at the problem that the fuze system output high frequency pulse code signal could not be measured precisely in the harsh environment of high frequency, high speed and limited space, a high frequency pulse code signal acquisition and storage test device based on high speed data acquisition and storage technology was proposed. By impedance matching design, the device solved the phenomenon of top elimination, comprehensively selected the type of high-speed ADC, improved the sampling accuracy, and solved the problem of low SNR caused by clock jitter. With FPGA as the main controller, FPGA+SSRAM+Flash architecture was adopted to cache the collected data into SSRAM. After the collection was completed, it was transferred to Flash to avoid losing points in the storage process. Considering electromagnetic interference, the matching network was simulated. Simulation test results showed that the sampling speed of the test device could reach 500 MHz, the sampling accuracy was 12 bit, and it could be collected stably and meet the requirements of the test device for the collection and storage of pulse signals.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2019-11-12
基金项目:山西省应用基础研究计划青年科技研究基金项目资助(201701D221122)
作者简介:张鹏(1993—),男,山东临县人,硕士研究生,研究方向:动态测试与智能仪器。E-mail:2997783379@qq.com。
更新日期/Last Update: 2020-05-15