Digital Interpolation Theory and Sinc Interpolation Algorithm on High-speed Sampling Signals

LIN Mao-liu; YIN Bao-zhi; LIU Zhi-yu

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Digital Interpolation Theory and Sinc Interpolation Algorithm on High-speed Sampling Signals

更新时间：2025-07-16

- Digital Interpolation Theory and Sinc Interpolation Algorithm on High-speed Sampling Signals
- Acta Electronica Sinica Vol. 28, Issue 12, Pages: 8-10(2000)
- 作者机构：
  
  1. 哈尔滨工业大学电子与通信工程系,哈尔滨,150001
  2. 深圳市工业学校,深圳,518038
  3. 哈尔滨工业大学电子与通信工程系哈尔滨,150001
  4. 深圳市工业学校深圳,518038
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP271+.81
- Published：2000
- 稿件说明：
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LIN Mao-liu, YIN Bao-zhi, LIU Zhi-yu. Digital Interpolation Theory and Sinc Interpolation Algorithm on High-speed Sampling Signals[J]. Acta Electronica Sinica, 2000, 28(12): 8-10.
DOI：

LIN Mao-liu, YIN Bao-zhi, LIU Zhi-yu. Digital Interpolation Theory and Sinc Interpolation Algorithm on High-speed Sampling Signals[J]. Acta Electronica Sinica, 2000, 28(12): 8-10. DOI：

摘要

高速宽带数字化示波器在高扫速工作时

仅能采集信号的的少数样点.为了看清信号的全貌和精确测量其参数

必须在每两个样点之间进行插值(波形重构).本文从数字信号处理角度

研究了高速采样信号数字内插理论、插值滤波器结构、正弦内插算法.最后给出了计算机仿真的实例及其误差.

Abstract

In high-speed wide-band digitizer at high sweep speeds

only a few samples of the signals can be on screen.To give the user a reasonable view of the signals and measure their parameters accurately

interpolation is necessary.In this paper

the digital interpolation theory and the structure of interpolation multiphase filter are studied based on digital signal processing

and the algorithm of sinc interpolation is derived.At last

the computer simulation examples and RMS errors are given.

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