An Overview Algorithm to Minimise Side Lobes for 2D Circular Phased Array

Journal article


Mondal, S (2016). An Overview Algorithm to Minimise Side Lobes for 2D Circular Phased Array. NDT.net.
AuthorsMondal, S
Abstract

The report presents an algorithm called the total focusing method for the circular phased array. It shows an improvement in the focusing for the main lobe beam and eliminates the effects of the side lobe. The report visualizes the effects for different ring sizes of the circular array and the effect of different numbers of array elements. The results of this modelling indicate that, for a given number of elements, placing them around the circular ring allow them to perform best and that the element spacing should be less than half a wavelength to avoid grating lobes and to eliminate grating lobes. In addition to that it describes how the TFM images have been built by computing half time traces of the transmitter and receiver array.

KeywordsPhased array, ultrasonic beam focusing and total focusing method
Year2016
JournalNDT.net
PublisherLondon South Bank University
Publication dates
Print01 May 2016
Publication process dates
Deposited05 Dec 2017
Accepted20 Apr 2016
Accepted author manuscript
License
CC BY 4.0
Permalink -

https://openresearch.lsbu.ac.uk/item/87450

  • 6
    total views
  • 0
    total downloads
  • 3
    views this month
  • 0
    downloads this month

Related outputs

Internal in-service inspection of the floor and walls of oil, petroleum, and chemical storage tanks with a mobile robot
Sattar, TP, Zhao, Z, Feng, J, Bridge, B, Mondal, S and Chen, S (2002). Internal in-service inspection of the floor and walls of oil, petroleum, and chemical storage tanks with a mobile robot. 5th International Conference on Climbing and Walking Robots and the Support Technologies for Mobile Machines. Paris, France 25 - 27 Sep 2002 pp. 947-954
Tofd inspection of v-groove butt welds on the hull of a container ship with a magnetically adhering wall climbing robot
Mondal, S, Sattar, TP and Bridge, B (2002). Tofd inspection of v-groove butt welds on the hull of a container ship with a magnetically adhering wall climbing robot. 5th International Conference on Climbing and Walking Robots and the Support Technologies for Mobile Machines. Paris, France 25 - 27 Sep 2002 pp. 955-961
Mobile wall climbing and swimming robots to inspect aircraft, storage tanks, pressure vessels and large infrastructure
Sattar, T, Leon-Rodriguez, HE, Shang, J, Mondal, S, Chen, S, Bridge, B and Zhao, Z (2008). Mobile wall climbing and swimming robots to inspect aircraft, storage tanks, pressure vessels and large infrastructure. 24th ISPE International Conference on CAD/CAM, Robotics and Factories of the Future (CARS&FOF),. Koriyama, Japan 29 - 31 Jul 2008
Magneto static analysis of adhesion force for the wall climbing robot
Mondal, S and Fallows, Z (2018). Magneto static analysis of adhesion force for the wall climbing robot. CLAWAR 2018. Panama 10 - 12 Sep 2018
Magneto static analysis of adhesion force for the wall climbing robot
Mondal, S (2018). Magneto static analysis of adhesion force for the wall climbing robot. CLAWAR 2018. Panama 10 - 12 Sep 2018
Develop a sensor based robot for railway inspection
Mondal, S (2018). Develop a sensor based robot for railway inspection. CLAWAR 2018. Panama 10 - 12 Sep 2018