Search research articles

Related Concept Videos

Mesh Analysis for AC Circuits

Mesh Analysis for AC Circuits

In the domain of radio communication, the significance of impedance matching must be considered. It is crucial to ensure the efficient transmission of signals between radio transmitters and receivers. Achieving this balance involves using impedance-matching circuits, with one fundamental configuration comprising a resistor, capacitor, and inductor.
The process of harmonizing these impedances begins with a clear understanding of the input and output signals. Once these signals are known, the...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

A novel approach combining YOLO and DeepSORT for detecting and counting live fish in natural environments through video.

PloS one·2025

Same author

Lemon Grass Essential Oil Does not Modulate Cancer Cells Multidrug Resistance by Citral-Its Dominant and Strongly Antimicrobial Compound.

Foods (Basel, Switzerland)·2020

Same author

Chemical constituents of the leaves of Glochidion obliquum and their bioactivity.

Archives of pharmacal research·2011

See all related articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Video

Updated: Jun 4, 2025

Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface

Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface

Published on: July 30, 2020

Phased Array Antenna Calibration Based on Autocorrelation Algorithm.

Xuan Luong Nguyen¹, Nguyen Trong Nhan², Thanh Thuy Dang Thi¹

¹Faculty of Physics, VNU University of Science, Ha Noi 100000, Vietnam.

Sensors (Basel, Switzerland)

|December 17, 2024

Summary

This summary is machine-generated.

A new autocorrelation algorithm offers more accurate phased array antenna calibration in noisy conditions. This method improves amplitude and phase shift determination compared to traditional techniques.

Keywords:

amplitude error autocorrelation algorithm far-field probe phase error phased array antenna radiation pattern

More Related Videos

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar

Published on: May 1, 2018

Calibration of Vector Network Analyzer for Measurements in Radio Frequency Propagation Channels

Calibration of Vector Network Analyzer for Measurements in Radio Frequency Propagation Channels

Published on: June 2, 2020

Related Experiment Videos

Last Updated: Jun 4, 2025

Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface

Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface

Published on: July 30, 2020

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar

Published on: May 1, 2018

Calibration of Vector Network Analyzer for Measurements in Radio Frequency Propagation Channels

Calibration of Vector Network Analyzer for Measurements in Radio Frequency Propagation Channels

Published on: June 2, 2020

Area of Science:

* Electrical Engineering
* Antenna Theory
* Signal Processing

Background:

* Phased array antennas require precise calibration for optimal performance.
* Traditional calibration methods struggle in noisy environments with interference.
* Existing methods like rotating-element electric-field vector (REV) have limitations in accuracy.

Purpose of the Study:

* To investigate and present a mathematical model for an autocorrelation algorithm for phased array antenna calibration.
* To compare the proposed autocorrelation method with traditional REVmax and REVmin techniques.
* To evaluate the effectiveness of the autocorrelation method in noisy environments.

Main Methods:

* Development of a mathematical model for the autocorrelation calibration method.
* Application of the method to a phased array antenna using far-field scanning.
* Comparison with rotating-element electric-field vector methods (REVmax and REVmin).
* Experimental verification at 3 GHz.

Main Results:

* The autocorrelation method demonstrated higher accuracy in determining amplitude and phase shifts.
* Measured peak gain in the E-plane improved significantly compared to REV methods.
* Phase error was substantially reduced using the autocorrelation method.
* The method proved effective even with internal noise and external interference.

Conclusions:

* The proposed autocorrelation algorithm provides a more accurate calibration solution for phased array antennas.
* It is effective in challenging environments with noise and interference.
* Suitable for large-scale phase calibration in both factory and field settings.