| 接收机带通滤波器的设计 |
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| 引用本文： | 刘正琼,王琼. 接收机带通滤波器的设计[J]. 安徽工业大学学报, 2007, 24(4): 420-423 |
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| 作者姓名： | 刘正琼 王琼 |
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| 作者单位： | 合肥工业大学,计算机与信息学院,合肥,230009;合肥工业大学,计算机与信息学院,合肥,230009 |
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| 摘 要： | 采用巴特沃思型和贝塞尔函数型2种方法进行接收机带通滤波器设计,借助EDA对该滤波器进行波特图和群延迟特性的比较.仿真结果表明贝塞尔函数设计的滤波器通带起伏小,阻带衰减大,在通带内群延迟特性较好,可以很好满足设计要求.
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| 关 键 词： | 带通滤波器 巴特沃思 贝塞尔函数 群延迟 |
| 文章编号： | 1671-7872（2007）04-0420-04 |
| 收稿时间： | 2007-03-15 |
Design of Bandpass Filter for Receiver |
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| LIU Zheng-qiong,WANG qiong. Design of Bandpass Filter for Receiver[J]. Journal of Anhui University of Technology, 2007, 24(4): 420-423 |
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| Authors: | LIU Zheng-qiong WANG qiong |
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| Affiliation: | School of Computer and Information, Hefei University of Technology, Hefei 230009, China |
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| Abstract: | Butterworth-type and Bessel function-type two ways are used for design of Bandpass filter for receiver, and with the help of EDA simulation tools, the bold plot and the group delay characteristics of the filters designed are compared. Bessel function design simulation results show the small pass-band ups, stop-band attenuation, in the pass-band with a better group delay characteristics, which can meet the design requirements. |
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| Keywords: | band-pass filter Butterworth Bessel function group delay |
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