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 正弦阶梯波
 Frequency Spectrum Analysis of Sine Ladder Wave Based on Mathematica Program 基于Mathematica程序的正弦阶梯波频谱分析 短句来源 This paper analyses the frequency spectrum structure of sine ladder wave synthesized by digital model converter in detail. Mathematica program which combines wave shape and frequency spectrum is recommended to do it. 对数模转换器合成的正弦阶梯波的频谱结构进行了深入分析,给出了能够对正弦阶梯波进行频谱分析,并作出波形图和对应频谱图的M athem atica程序. 短句来源
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 The Frequency Spectrum Analysis of Sine Ladder Signals 正弦阶梯波的频谱分析 短句来源 ON SINE SERIES 关于正弦级数 短句来源 Frequency Spectrum Analysis of Sine Ladder Wave Based on Mathematica Program 基于Mathematica程序的正弦阶梯波频谱分析 短句来源 Devotion: Ladder to Success 敬业是成就事业的阶梯 短句来源 DNA ladder was extinct; 凋亡细胞特有的DNA梯形条带消失 ; 短句来源

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 This paper analyses the frequency spectrum structure of sine ladder wave synthesized by digital model converter in detail.Mathematica program which combines wave shape and frequency spectrum is recommended to do it.As a result,it's spectrum structure is decided by change frequency k of DAC in a sine period.The method and the conclusion are useful in the engineering practice.An error in a published paper is pointed out and corrected. 对数模转换器合成的正弦阶梯波的频谱结构进行了深入分析,给出了能够对正弦阶梯波进行频谱分析,并作出波形图和对应频谱图的M athem atica程序.结果表明:其频谱结构由每个正弦周期中数模转换器的转换次数k决定,该方法和结论对工程实践有意义.同时,指出和纠正了文献(四川联合大学学报:工程科学版,1999,3(2):27-30.)中的错误.
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