摘要: |
提出了一种高速全数字卫星信号模拟源的平台实现方案,该方案以在线可编程门阵列
(FPGA)和高速模数转换器(DAC)为平台设计核心,采用了DAC与FPGA高速接口设计、并行
编码调制设计、数字白噪声生成设计、速率分级设计、DSP接口设计等设计手段,实现了高
速编码和并行调制,完成了高速DAC全数字中频信号直接合成、实时宽带信道模拟、超宽带
数字高斯白噪声生成等技术的研究与工程实践。 |
关键词: 卫星信号模拟源 高速DAC 高速数字信号直接合成 数字高斯白噪声 |
DOI: |
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基金项目: |
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A high-speed digital satellite signal simulator platform |
MA Li-ke |
() |
Abstract: |
A highspeed digital satellite signal simulator solution is provided.
This solution uses Field Programmable Gate Array(FPGA) and high speed DigitalA
nalog Convertor(DAC) as the core framework. DAC to FPGA highspeed interface des
ign, parallel encoding and modulated design, digital white noise generation desi
gn, data rate graded design, DSP interface design technology are adopted. Highspe
ed parallel encoding and modulation are realized. Intermediate Frequency(IF) digi
tal signal direct synthesizion, realtime broadband channel simulation and ultrabr
oadband digital Gause white noise generation technology are practiced in project. |
Key words: satellite signal simulator high speed DAC high speed digital signal direct s
ynthesizion digital Gauss white noise |