Wireless missile-borne acquisition system based on MRAM

Home > Archive>Volume 44, Issue 10, 2021 >162-166

Wireless missile-borne acquisition system based on MRAM
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                        Li JinfangLi Jinfang
1.National Key Laboratory for Electronic Measurement Technology，North University of China，Taiyuan 030051,China； 2.Key Laboratory of Instrument Science & Dynamic Measurement of Ministry of Education，North University of China，Taiyuan 030051,China
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Ma YouchunMa Youchun
1.National Key Laboratory for Electronic Measurement Technology，North University of China，Taiyuan 030051,China； 2.Key Laboratory of Instrument Science & Dynamic Measurement of Ministry of Education，North University of China，Taiyuan 030051,China
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Li ChaojieLi Chaojie
1.National Key Laboratory for Electronic Measurement Technology，North University of China，Taiyuan 030051,China； 2.Key Laboratory of Instrument Science & Dynamic Measurement of Ministry of Education，North University of China，Taiyuan 030051,China
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Zhao YangZhao Yang
1.National Key Laboratory for Electronic Measurement Technology，North University of China，Taiyuan 030051,China； 2.Key Laboratory of Instrument Science & Dynamic Measurement of Ministry of Education，North University of China，Taiyuan 030051,China
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Affiliation:1.National Key Laboratory for Electronic Measurement Technology，North University of China，Taiyuan 030051,China; 2.Key Laboratory of Instrument Science & Dynamic Measurement of Ministry of Education，North University of China，Taiyuan 030051,China
Clc Number:TP274
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Abstract:

To address the high-overload data problem in the bore during the development and testing of small rockets, a wireless missile-borne acquisition system based on MRAM is proposed. The hardware part of the system uses wireless transmission to achieve real-time data reception, uses the high reliability of MRAM to store data, and uses data readback to improve the reliability of the system; the software part uses continuous threshold trigger design to reduce false triggers Probability, using programmable digital conditioning modules to provide better linearity, accuracy and temperature stability for data acquisition. The test results show that the system can collect and store overload data at a sampling rate of 100 kHz under severe conditions in the bore. It can wirelessly receive data within 900 m, and the transmit current is 430 mA, which not only has the advantage of high reliability, It also has the characteristics of miniaturization and low power consumption.

Key words:FPGA; data acquisition; recorder; wireless transmission; overload test

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Online: September 23,2024
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