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Abstraction :This paper analyzes the principle of Butterworth digital filter,discuss bilinear transformation method of filter design;record a piece of voice by Microsoft voice recorders, carry on its a time-domain analysis, spectral analysis;then design a specified Butterworth band-stop filter based on the theory of bilinear transform,analyze the filter by the tool named Fvtool;and filter the voice signal acquired by voice recorder.finally compare its characteristics of frequency domain and time domain,study the applications of Butterworth filter in digital signal processing ,in particular in signal denoising.

本文分析了巴特沃思数字滤波器的原理，探讨了双线性变换法设计滤波器的方法；用微软录音机采集一段语音，对其进行了时域分析，频谱分析；然后使用双线性变换法设计了一个的巴特沃思带阻滤波器，并且使用fvtool对设计的滤波器进行分析；然后利用该滤波器对采集的语音信号进行滤波。最后对比滤波前后的语音信号的时域和频域特性，研究了巴特沃思滤波器在信号处理尤其是信号滤波去噪方面的特性和应用。

Normally the bilk of 2000 yuan of above, can be regarded as the prime basis of public security put on record.

通常2000 元以上的诈骗，会被作为公安立案的根本依据。

The company has raised questions about Mr Biller's veracity and employment record, but the allegations have not gone away.

丰田已对比勒先生的真实性及其雇佣记录提出质疑，但这些指控并未撤销。

Would you state your name, rank and current billet for the record, sir?

请说出你的姓名，军衔和现任职务以便法庭记录

I have a very good credit record and I am working to get some of my bills paid off.

我有一个很好的信用记录，我有我的工作取得票据付清。

The paper mainly expounds Wang Anyi's novels and her theories on novels and elaborates the situation of conversion of their binary opposition from the point of narration around the mutual relationship between record of actual events and fiction in novel's nature.

本文对王安忆的小说及其小说理论进行论述，围绕纪实与虚构在小说文本中的相互关系，从叙事角度来阐述它们二元关系的转化。

His biographical history is so popularly known, that it is almost superfluous to record it in this brief introduction.

他的传记历史是这么俗称，它几乎是多余的，记录在此简要介绍了它。

Biographically the letters take the reader through Berlin's professional ascent from clever young don to Oxford professor, public educator and transatlantic academic star. They track the consolidation of his social position as an intellectual jewel of the post-war British establishment. Three or four footnotes a page introduce perhaps 1,000 or more politicians, public servants, academics, musicians and socialites whom Berlin knew or talked about. For that alone, his letters are a unique record of a bygone milieu.

如自传一般，这些信件引导读者见证了伯林从一名聪颖的年轻教师成长为牛津教授、公共教育家和跨大西洋学术明星的职业上升历程；它们也追踪了其享有的战后英国权势阶层知识瑰宝这一社会地位的巩固过程；每页三到四个脚注可能引见了一千名或更多的、伯林所了解或谈及的政治家、公职人员、学者、音乐家和社会名流；单凭最后一点，他的信笺便是对往昔社会环境的一份独特记录。

Biographically the letters take the reader through Berlin's professional ascent from clever young don to Oxford professor, public educator and transatlantic academic star. They track the consolidation of his social position as an kal online geons intellectual jewel of the post-war British establishment. Three or four footnotes a page introduce perhaps 1,000 or more politicians, public servants, academics, musicians and socialites whom Berlin knew or talked about. For that alone, his letters are a unique record of a bygone milieu.

如自传一般，这些信件引导读者见证了伯林从一名聪颖的年轻教师成长为牛津教授、公共教育家和跨大西洋学术明星的职业上升历程；它们也追踪了其享有的战后英国权势阶层知识瑰宝这一社会地位的巩固过程；每页三到四个脚注可能引见了一千名或更多的、伯林所了解或谈及的政治家、公职人员、学者、音乐家和社会名流；单凭最后一点，他的信笺便是对往昔社会环境的一份独特记录。

Nought was to be seen but the green turfy mound, with the stones on which no Runic record has been graven; but at the last sound of the harp there soared over the hill, as though he had fluttered from the harp, a little bird, a charming singing-bird, with ringing voice of the thrush, with the moving voice pathos of the human heart, with a voice that told of home, like the voice that is heard by the bird of passage.

不过在坟墓的上方，当琴弦发出余音的时候，就像刚刚从竖琴弦上飞出来一样，飞来一只鸟--最美丽的歌鸟。它的声音像画眉那样清脆，像人心那样充满了活力。远方飞回的候鸟听着它，像是听到了故国的歌曲。

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢？

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我，一个心中布满虚荣的女孩子真实的想法。