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Conversion of sinusoidal frequencies to gray code

 

作者: Yuichi Noro,   Kenji Inomoto,   Kazuhiro Kuno,  

 

期刊: Electronics and Communications in Japan (Part III: Fundamental Electronic Science)  （WILEY Available online 1993）
卷期: Volume 76, issue 1  

页码: 90-99

 

ISSN:1042-0967

 

年代: 1993

 

DOI:10.1002/ecjc.4430760109

 

出版商: Wiley Subscription Services, Inc., A Wiley Company

 

关键词: Gray code;digital coding of sinusoidal frequencies;frequency estimation

 

数据来源: WILEY

 

摘要:

AbstractA method of straightforward conversion of sinusoidal frequency to Gray code expression is described. The unknown frequency is estimated using only the sign of the inverse cosine function. The frequency conversion error is shown by computer experiment. For a more accurate result, the majority decision principle and threshold logic, that is, a maximum likelihood estimator, are applied. Hardware implementation is so easy that the whole system can be implemented on an LSI chip.

 

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