| 基于FPGA的多制式基带信号发生器设计 |
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| 引用本文： | 习郑虎,年夫顺,樊晓腾,李增红.基于FPGA的多制式基带信号发生器设计[J].计算机测量与控制,2011,19(10). |
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| 作者姓名： | 习郑虎 年夫顺 樊晓腾 李增红 |
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| 作者单位： | 1. 中北大学电子测试技术国防科技重点实验室,山西太原030051;电子测试技术国防科技重点实验室,山东青岛 266555
2. 电子测试技术国防科技重点实验室,山东青岛,266555 |
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| 摘 要： | 介绍了基带信号发生的基本原理,采用软件无线电思想,通过软件更新的方式实现了基于FPGA的多制式基带信号发生器;重点研究了基于FPGA的伪随机序列发生、调制映射、高速数字成形滤波、可变内插倍数的级联积分梳状滤波和直接数字频率合成等技术;经过实际测试与应用,该基带信号发生器所产生的基带信号可满足FSK、PSK、QAM等多种调制格式,信号具有很低的EVM,I/Q带宽达50MHz,可满足现代通信系统中产品研发及其生产过程中的测量需求。
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| 关 键 词： | 基带信号 数字成形滤波器 CIC滤波器 |
Baseband Signal Generator Based on FPGA |
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| Xi Zhenghu,Nian Fushun,Fan Xiaoteng,Li Zenghong.Baseband Signal Generator Based on FPGA[J].Computer Measurement & Control,2011,19(10). |
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| Authors: | Xi Zhenghu Nian Fushun Fan Xiaoteng Li Zenghong |
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| Affiliation: | Xi Zhenghu1,2,Nian Fushun2,Fan Xiaoteng2,Li Zenghong2(1.National Key Laboratory for Electronic Measurement Technology,North University of China,Taiyuan 030051,China,2.National Key Laboratory for Electronic Measurement Technology,Qingdao 266555,China) |
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| Abstract: | There are a many practical applications for broadband baseband signal sources.For this,it was created the hardware platform based on the field-programmable gate array(FPGA) with embedded software-core processor,which can generator modulated signal include FSK-modulated signal,PSK-modulated signal and QAM-modulated signal.The emphasis is put on the study of design and FPGA Implementation of the pseudorandom sequence construction method,code map,digital pulse-shaping filters,cascaded integrator-comb filter an... |
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| Keywords: | baseband signal generator digital pulse-shaping filter CIC filter |
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