A low cost instantaneous frequency measurement system

被引：5
|
作者：
Badran H. [1 ]
Deeb M. [1 ]
机构：
[1] Department of Communication Engineering, Higher Institute of Applied Science and Technology, Damascus
来源：
Progress In Electromagnetics Research M | 2017年 / 59卷
关键词：
Frequency estimation - Signal processing - Printed circuit boards;
D O I：
10.2528/PIERM17060512
中图分类号：
学科分类号：
摘要：
A new low cost method for implementing an Instantaneous Frequency Measurement (IFM) system is presented in this paper. The proposed method is based on dividing the incoming RF signal into four signals and filtering each one by an appropriate band-pass filter. The frequency is then estimated from the power level of the filtered signals. A closed form for the Standard Deviation (STD) and the bias of the frequency estimator is derived. A design example for an IFM system with a working frequency band of 2 to 4GHz is presented with simulated and measured results. The design is implemented on a commercial FR4 (DE104) substrate using printed circuit board technology. Experiments in a laboratory show a maximum error of about 15MHz in estimating the frequency value. © 2017, Electromagnetics Academy. All rights reserved.
引用
收藏
页码：171 / 180
页数：9
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