高速并行内插倍数可变的成形滤波器设计  

Design and realization of baseband shaping filter based on high-speed parallel structure and variable interpolating multiple

作　　者：乔先科[1] 张鹏飞 谢方方[3] 

机构地区：[1]中国电子科技集团公司第五十四研究所,石家庄050081 [2]邯郸派瑞节能控制技术有限公司,邯郸056027 [3]军械工程学院信息工程系,石家庄050003

出　　处：《国外电子测量技术》2014年第8期61-64,共4页Foreign Electronic Measurement Technology

摘　　要：提出了一种适合数字通信的码速率和内插倍数可变的并行结构数字基带成形滤波器的设计方法,使用MATLAB,软件进行了仿真和系数生成,并在以FPGA为核心的硬件平台上完成了实现和验证。在QuartusII软件中使用其内部嵌入式逻辑分析仪观察了不同符号速率成形后的符号波形,波形平滑均满足设计要求。采用这种方法实现的成形滤波器具有很强的灵活性,符合数字通信软件无线电的趋势。Based on variable symbol rate and interpolating multiple a kind of base-band shaping filter with parallel struc- tures is designed. The simulation and coefficient generation are completed in MATLAB and the verification is implemented in FPGA hardware platform. The forming waveforms of different symbol rate are observed with the embeddedlogic analyzer in QuartusII and the results meet the design requirements. The designed shaping filter achieves great flexibility in line with software radio trend in digital communication system.

关 键 词：基带成形 根升余弦 现场可编程门阵列 查找表 

分 类 号：TN919[电子电信—通信与信息系统]