基于Intel集成性能基元的数字荧光频谱分析技术的软件加速实现

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英文篇名：Software Accelerated Implementation of Digital Phosphor Spectrum Analysis Technology Based on Intel Integrated Performance Primitives 作者：符玉襄 ; 赖兰剑 英文作者：FU Yu-xiang;LAI Lan-jian;The 36st Institute of China Electronics Technology Group Corporation; 关键词：实时频谱分析 ; 数字荧光技术 ; 数字下变频 ; 快速傅里叶变换 ; 集成性能基元 ; 软件加速 英文关键词：real-time spectrum analysis;;digital phosphor technology;;digital down conversion;;fast Fourier transform;;integrated performance primitives;;software accelerated 中文刊名：KXJS 英文刊名：Science Technology and Engineering 机构：中国电子科技集团第三十六研究所; 出版日期：2019-04-08 出版单位：科学技术与工程 年：2019 期：v.19;No.479 语种：中文; 页：KXJS201910018 页数：6 CN：10 ISSN：11-4688/T 分类号：125-130

摘要

实时频谱分析广泛应用在电子侦察、信号捕获和监测等领域。实现了一套基于x86平台的软件化实时频谱分析系统。在Intel+Windows的通用PC机上,用C/C++编程实现数字下变频、快速傅里叶变换和数字荧光技术等关键算法,并利用Intel集成性能基元对算法进行加速,最后调用MATLAB的可视化引擎实时显示200×2 048点高分辨率荧光频谱图。系统处理速度为每秒60兆个采样点,瞬时带宽30 MHz～2 k Hz,频谱分辨率15 k Hz～1 Hz,荧光图刷新速度25帧/s。该系统为实时频谱分析提供了一套简单有效的解决方法。
        Real-time spectrum analysis was widely used in electronic reconnaissance,signal capture and monitoring. A software real-time spectrum analysis system based on x86 platform was implemented. On general PC,using C/C + + to realize algorithms such as digital down conversion( DDC),fast Fourier transform( FFT),digital phosphor spectrum technology( DPX). The algorithms was accelerated by integrated performance primitives( IPP)library. And a 200 × 2 048 high-resolution phosphor spectrum was displayed using the visual engine of MATLAB.System processing speed is 60 Msample persecond,instantaneous bandwidth is 30 MHz ～ 2 kHz,spectral resolution is 15 kHz ～ 1 Hz,refresh rate is 25 frames/s. The system provided a simple and efficient solution for real-time spectrum analysis.

引文

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