| 一种高性能低功耗水声引信滤波器的设计 |
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| 引用本文： | 徐远超,张效民,赵延安.一种高性能低功耗水声引信滤波器的设计[J].声学技术,2008,27(2):227-229. |
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| 作者姓名： | 徐远超 张效民 赵延安 |
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| 作者单位： | 西北工业大学航海学院,西安,710072 |
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| 摘 要： | 水声引信要求滤波器必须有较低的功耗和较快的阻带衰减。基于高性能开关电容滤波器LMF100设计一种适于水声引信的带通滤波器。采用了两种设计带通滤波器的方法，通过实际测试对两种方法作了比较，最终设计出了过渡带窄、截止频率精确可调、阻带衰减快、低功耗的带通滤波器，并给出了实际调试的结果。
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| 关 键 词： | 水声引信 LMF100 滤波器 低功耗 |
| 文章编号： | 1000-3630(2008)-02-0227-03 |
| 收稿时间： | 2007/4/25 0:00:00 |
| 修稿时间： | 2007年4月25日 |
Design of high performance and low power consumption underwater acoustic fuze filter |
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| XU Yuan-chao,ZHANG Xiao-min and ZHAO Yan-an.Design of high performance and low power consumption underwater acoustic fuze filter[J].Technical Acoustics,2008,27(2):227-229. |
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| Authors: | XU Yuan-chao ZHANG Xiao-min and ZHAO Yan-an |
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| Affiliation: | (College of Marine Engineering, Northwestern Polytechnical University, Xi＇an 710072, China) |
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| Abstract: | Filter in underwater acoustic fuze must be low power-consuming and fast decreasing in stop- band A bandpass filter fit for underwater acoustic fuze is designed by using high performance dual switched capacitor filter LMF100. Two methods of designing the band-pass filter are used and compared by testing. Finally a band-pass filter with narrow transition band, accurately controllable cutoff frequency, great attenuation in stop-band and low power consumption is successfully developed, and the debugging result of the developed circuit is given. |
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| Keywords: | underwater acoustic fuze LMF100 filter low power consumption |
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