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
收藏
页码：116 / 120
页数：5
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