| 升余弦滚降基带成型内插滤波器的FPGA实现 |
| |
| 引用本文： | 陈东华.升余弦滚降基带成型内插滤波器的FPGA实现[J].华侨大学学报(自然科学版),2006,27(3):310-312. |
| |
| 作者姓名： | 陈东华 |
| |
| 作者单位： | 华侨大学信息科学与工程学院,福建,泉州,362021 |
| |
| 摘 要： | 无线数字通信中,内插滤波器用来对基带信号进行脉冲成型滤波,以限制发送信号的带宽,降低带外干扰.研究一种应用于无线数字传输系统的高速FIR成型滤波器的设计方法,该方法采用分布式查找表算法,以降低硬件开销和提高处理速度为目标,是基于现场可编程门阵列(FPGA)并实现升余弦滚降基带成型内插滤波器的硬件电路.最后,通过实测波形与仿真波形证实方法的优越性.
|
| 关 键 词： | 升余弦滚降基带 成型滤波器 分布式算法 查找表 FPGA |
| 文章编号： | 1000-5013（2006）03-0310-03 |
| 收稿时间： | 2005-10-04 |
| 修稿时间： | 2005-10-04 |
Implementation of Raised-Cosine Roll-Off Pulse Shaping Interpolated Filter Based on FPGA |
| |
| Chen Donghua.Implementation of Raised-Cosine Roll-Off Pulse Shaping Interpolated Filter Based on FPGA[J].Journal of Huaqiao University(Natural Science),2006,27(3):310-312. |
| |
| Authors: | Chen Donghua |
| |
| Institution: | College of Information Science and Engineering, Huaqiao University, 362021, Quanzhou, China |
| |
| Abstract: | In wireless digital communications,base-band signals are specially shaped using interpolated filter to suppress out-band interferes.Design methods of a high speed FIR shaping filter applied in wireless digital transmission systems are discussed in detail.Hard ware circuits for raised-cosine roll-off pulse shaping filter based on FPGA are implemented ac-cording to distributed lookup table algorithms aiming to lower expenses and increase working speed.The superiority of the methods was proved through the conformity of results obtained from experiments and simulations. |
| |
| Keywords: | raised-cosine roll-off base-band shaping filter distributed algorithm lookup table FPGA |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
