TOWARDS AND IDEAL DATA ACQUISITION CHANNEL

被引：34

作者：

PINTELON, R

ROLAIN, Y

VANDENBOSSCHE, M

SCHOUKENS, J

机构：

[1] Department ELEC, National Fund for Scientific Research, Vrije Universiteit Brussels

[2] Department EL EC, National Fund for Scientific Research, Vrije Universiteit Brussel

[3] National Fund for Scientific Resarch, Vrije Universiteit Brussel

[4] National Fund for Scientific Research, Vrije Universiteit Brussels, Vrije Universiteit Brussel, 1050, Brussels

来源：

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 1990年 / 39卷 / 01期

关键词：

amplitude; and delay equalization; digital IIR filters; Real-time compensation;

D O I：

10.1109/19.50428

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The classical calibration procedure of a network or spectrum analyzer consists in compensating the spectra of the measured signals with calibration data. Hence, the time-domain values of these signals are not correct, and real-time compensation is impossible. In this paper a method is presented to compensate in real time for a nonideal transfer function of a data acquisition channel by means of a digital IIR filter. Real-time compensation of the amplitude and phase characteristics of an acquisition channel within a long term error which is, respectively, less than ±0.01 dB and less than ±0.1° has been obtained experimentally. © 1990 IEEE

引用

页码：116 / 120

页数：5

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