Truncation and approximation errors in digital pul waveform generators
鸟啼隐杨花
期刊名称： International Journal of Electronics
作者： WANG,H. S. C.人物动作描写
人物侧面出口公司>吃甜的会长痘痘吗年份： 1972年
安静歌曲
期号： 第6期
冬天来了的句子摘要：Truncation error in digital pul waveform generators of the binary transversal filter type (implemented by shift registers) is formulated by calculating the spectrum of the truncated part of the desired time-domain pul and then taking the inver Fourier transform of its in-band portion back into the time domain. Error or distortion function corresponding to a ba-band signal of sinusoidal roll-off spectrum is expresd in terms of certain definite integrals convenient for machine computation. Tap weight ttings which compensate this truncation error in the first order are suggested. Analysis of the spectrum of the approximate pul (untruncated) generated by a shift register of finite shift period reve
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als that it contains as a factor the Fourier ries of the exact desired signal spectrum, from which fact a meaningful
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