| 基于FPGA的数字匹配滤波器的实现 |
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| 引用本文： | 何在民,胡永辉,魏敬法,蔡成林,武建锋.基于FPGA的数字匹配滤波器的实现[J].时间频率学报,2008,31(2). |
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| 作者姓名： | 何在民 胡永辉 魏敬法 蔡成林 武建锋 |
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| 作者单位： | 1. 中国科学院国家授时中心,陕西,西安,710600;中国科学院研究生院,北京,100039
2. 中国科学院国家授时中心,陕西,西安,710600 |
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| 摘 要： | 对数字匹配滤波器的原理和结构进行了简要的介绍,重点给出了在现场可编程门阵列(FPGA)中数字匹配滤波器倒置结构的硬件实现.通过对设计电路的实时仿真表明:该数字匹配滤波器具有捕获精度高、速度快的特点,可应用于其它扩频系统的数字接收机中.
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| 关 键 词： | 数字匹配滤波器 现场可编程门阵列(FPGA) 扩频接收机 倒置结构 |
A Digital Matched Filter Realized Based on FPGA |
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| HE Zai-min,HU Yong-hui,WEI Jing-fa,CAI Cheng-lin,WU Jian-feng.A Digital Matched Filter Realized Based on FPGA[J].Journal of Time and Frequency,2008,31(2). |
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| Authors: | HE Zai-min HU Yong-hui WEI Jing-fa CAI Cheng-lin WU Jian-feng |
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| Abstract: | The principle and structure of a digital matched filter is introduced briefly with emphasis on the realization of the transposed structure of digital matched filter based on FPGA(field programmable gate array).The simulation of the designed circuit indicates that this digital matched filter has advantages such as high capture precision and high speed,and it can be used in other digital spread spectrum receivers. |
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| Keywords: | digital matched filter field programmable gate array(FPGA) spread spectrum receiver transposed structure |
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