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第十三届全国青年通信学术会议

作者：杨逾山 National Mobile Communications Research Laboratory Southeast University

＜正＞Considering the problems faced by the current data acquisition systems and the outstanding merits of USB bus,a design of real- time spectrum analysis system based on USB and MCU AT89S51 is *** this paper,we give a detailed description of the hardware and software design and implementation,as well as some specific techniques to achieve the goal of real - time perfor- mance.

关键词： real-time spectrum analyzer USB interface hardware design data acquisition

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FPGA implementation of 500-MHz high-count-rate high-time-resolution real-time digital neutron-gamma discrimination for fast liquid detectors

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Nuclear Science and Techniques 2024年第8期35卷 101-113页

作者： Hui‑Yin Shen Jing‑Long Zhang Jie Zhang Jian‑Hang Zhou College of Nuclear Technology and Automation Engineering Chengdu University of TechnologyChengdu 610059China Southwestern Institute of Physics P.O.Box 432Chengdu 610041China

Fast neutron flux measurements with high count rates and high time resolution have important applications in equipment such as *** this study,real-time neutron and gamma discrimination was implemented on a self-developed 500-Msps,12-bit digitizer,and the neutron and gamma spectra were calculated directly on an FPGA.A fast neutron flux measurement system with BC-501A and EJ-309 liquid scintillator detectors was developed and a fast neutron measurement experiment was successfully performed on the HL-2 M tokamak at the Southwestern Institute of Physics,*** experimental results demonstrated that the system obtained the neutron and gamma spectra with a time accuracy of 1 *** count rates of up to 1 Mcps,the figure of merit was greater than 1.05 for energies between 50 keV and 2.8 MeV.

关键词： Neutron-gamma discrimination Liquid scintillation detector real-time spectrum analyzer

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A Method for the Measurement and Analysis of SAR Signal Random Phase Error

A Method for the Measurement and Analysis of SAR Signal Rand...

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2009 2nd Asian-Pacific Conference on Synthetic Aperture Radar（APSAR2009）

作者： Zhang Peng Tektronix(China)Co. Ltd.

This Paper explains the importance of phase error measurement and analysis through the research on the impact of SAR phase error on linear frequency-modulated imaging and introduces a method for the measurement and analysis of SAR phase *** intrapulse phase error can be analyzed and measured correctly via the application of Tektronix real-time spectrum analyzer RSA6114A together with radar analysis software or SignalVu software matching with Tektronix Oscilloscope.

关键词： SAR Random Phase Error real-time spectrum analyzer SignalVu Coherence train of pulses

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