基于FPGA的IJF数字基带编码的实现
Modern Electronics Technique(2006)
Abstract
IJF-OQPSK是一种重要的现代数字恒包络调制技术.IJF编码是将数字基带信号变换成无符号间干扰和抖动的基带波形信号.主要目的是将前后码元的不连续跳变用平滑的波形来替换,从而得到时域波形平滑、频谱主瓣窄、滚降速度快的特点.提出一种基于FPGA的IJF数字基带编码实现方案,具有高度集成、占用资源少、配置灵活、性能稳定的特点.
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Key words
IJF coding,non-linear filter,IJF-OQPSK,FPGA
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