| 基于专用芯片的高速实时FFT系统实现研究 |
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| 引用本文： | 龙腾,戴险峰.基于专用芯片的高速实时FFT系统实现研究[J].北京理工大学学报,1997,17(6):785-788. |
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| 作者姓名： | 龙腾 戴险峰 |
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| 作者单位： | 北京理工大学电子工程系 |
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| 摘 要： | 研究了基于专用芯片的高速实时ＦＦＴ系统的点数和精度问题，分析了统一的ＦＦＴ算法与ＦＦＴ专用芯片的级联问题；定标算法与ＦＦＴ专用芯片的精度问题，提出了一种高速实时ＦＦＴ系统的实现方案和性能测试方法，并根据实测数据讨论了ＦＦＴ系统的精度。
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| 关 键 词： | 傅里叶变换 芯片 数字信号处理 点数 精度 |
Realization of High Speed Real Time FFT System Based on ASIC Chip |
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| Long Teng,Dai Xianfeng,Sun Yamin,Li Dan.Realization of High Speed Real Time FFT System Based on ASIC Chip[J].Journal of Beijing Institute of Technology(Natural Science Edition),1997,17(6):785-788. |
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| Authors: | Long Teng Dai Xianfeng Sun Yamin Li Dan |
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| Abstract: | Cascade of high speed real time FFT chips by a unified FFT algorithm was analyzed;the scaling algorithm and accuracy of FFT chip were analyzed;a realization scheme of high speed real time FFT system and measurement method of its performance were advanced;the accuracy of realized FFT system was calculated with measured data,and the results of measurement were the same as theory analysis. |
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| Keywords: | FFT high speed real time scaling algorithm FFT chip |
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