A bat-like sonar system consisting of hardware digital correlators

Author

Nakahira, Kenji ; Kodama, T. ; Furnhashi, T. ; Maeda, H.

Author_Institution

Dept. of Inf. Eng., Nagoya Univ., Japan

Volume

4

fYear

2000

fDate

2000

Firstpage

2869

Abstract

A prototype bat-like sonar system has been developed by implementing some of the bat techniques for interpreting sonar signals and mimicking their sensor configuration. The optimum method for estimating time-of-flight from the frequency-modulated echoes is correlation detection. In the field of photon correlation spectroscopy, a hardware digital correlator is employed to process the correlation function in real time. The paper presents an application of hardware digital correlators, implemented on a programmable logic device, as sonar signal processing systems for obstacle localization

Keywords

collision avoidance; correlators; echo; photon correlation spectroscopy; programmable logic devices; real-time systems; sonar signal processing; zoology; bat techniques; bat-like sonar system; correlation detection; correlation function; frequency-modulated echoes; hardware digital correlators; obstacle localization; photon correlation spectroscopy; programmable logic device; real time system; sensor configuration; sonar signal processing systems; time-of-flight estimation; Correlators; Digital signal processing; Frequency estimation; Hardware; Optoelectronic and photonic sensors; Programmable logic devices; Prototypes; Sensor systems; Sonar applications; Spectroscopy;

fLanguage

English

Publisher

ieee

Conference_Titel

Systems, Man, and Cybernetics, 2000 IEEE International Conference on

Conference_Location

Nashville, TN

ISSN

1062-922X

Print_ISBN

0-7803-6583-6

Type

conf

DOI

10.1109/ICSMC.2000.884433

Filename

884433