Title :
Depth of field improvements in long wavelength imaging systems
Author :
Bennett, Janine C. ; Yamani, A.
Author_Institution :
University of Sheffield, Department of Electronic & Electrical Engineering, Sheffield, UK
Abstract :
An alternative approach to the problem of depth of field limitations in long wavelength imaging systems is proposed. A simulation is presented to demonstrate the capabilities of the method and its feasibility is demonstrated at a free-space ultrasonic frequency of 40 kHz.
Keywords :
acoustic imaging; 40 kHz; field limitation depth; free-space ultrasonic frequency; long wavelength imaging systems; simulation;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19810598
