Underwater acoustic technology: Review of some recent developments

Foote, Kenneth G.

doi:10.1109/oceans.2008.5151998

Cited by 16 publications

(5 citation statements)

References 33 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…As can be seen there are two antennas with the heights of ( 1 2 , HH ) and a signal which goes from 1 H to 2 H . But this signal moves in two different paths.…”

Section: The Time Difference Model Of Hassabmentioning

confidence: 99%

An improved tracking algorithm for underwater vessels using the passive sonar

Allahparast

Laschi

2016

2016 Indian Control Conference (ICC)

View full text Add to dashboard Cite

Tracking of underwater vessels by the means of passive sonars is one of the most challenging problems in surveillance purposes. In this paper, the tracking model of Hassab, which is used by F. El-Hawary and G. A. N. Mbamalu for developing underwater tracking algorithms, is examined, with the presumption that the modeling cannot be robust, because these algorithms do not consider the sound speed variations, which vary according to the depth, temperature and salinity of underwater environment. In this paper, it is tried to introduce an improved tracking model for tracking the underwater targets, based on Hassab model, by considering the sound speed variations and then the models are compared together.

show abstract

“…As can be seen there are two antennas with the heights of ( 1 2 , HH ) and a signal which goes from 1 H to 2 H . But this signal moves in two different paths.…”

Section: The Time Difference Model Of Hassabmentioning

confidence: 99%

An improved tracking algorithm for underwater vessels using the passive sonar

Allahparast

Laschi

2016

2016 Indian Control Conference (ICC)

View full text Add to dashboard Cite

show abstract

“…An error of only three dB in target strength will result in a factor of two differences in abundance estimates [61]. The reflected sound from the swim bladder has been found to account for 90% of the total energy backscattered by a fish depending on the frequency being used [70][71][72][73][74].…”

Section: Sonar Applications For the Study Of Fishmentioning

confidence: 99%

The Development of SONAR as a Tool in Marine Biological Research in the Twentieth Century

Fornshell

Teseï²

2013

International Journal of Oceanography

View full text Add to dashboard Cite

The development of acoustic methods for measuring depths and ranges in the ocean environment began in the second decade of the twentieth century. The two world wars and the “Cold War” produced three eras of rapid technological development in the field of acoustic oceanography. By the mid-1920s, researchers had identified echoes from fish, Gadus morhua, in the traces from their echo sounders. The first tank experiments establishing the basics for detection of fish were performed in 1928. Through the 1930s, the use of SONAR as a means of locating schools of fish was developed. The end of World War II was quickly followed by the advent of using SONAR to track and hunt whales in the Southern Ocean and the marketing of commercial fish finding SONARs for use by commercial fisherman. The “deep scattering layer” composed of invertebrates and fish was discovered in the late 1940s on the echo sounder records. SONARs employing high frequencies, broadband, split beam, and multiple frequencies were developed as methods for the detection, quantification and identification of fish and invertebrates. The study of fish behavior has seen some use of passive acoustic techniques. Advancements in computer technology have been important throughout the last four decades of the twentieth century.

show abstract

“…In contrast, the acoustic ranging positioning systems had a long history of providing accurate navigation for underwater vehicles without the need for expensive sensors [2], [3].…”

Section: Introductionmentioning

confidence: 99%

UKF-Based Inverted Ultra-Short Baseline SLAM With Current Compensation

Luo

2022

IEEE Access

View full text Add to dashboard Cite

This paper presents an inverted ultra-short baseline (iUSBL) simultaneous localization and mapping (SLAM) based on Unscented Kalman filter (UKF) with current compensation. The complexity of the underwater environment prevents the use of Global Positioning System (GPS) or visible-light cameras, thereby we rely on an acoustic positioning system to achieve autonomous underwater vehicle (AUV) navigation relative to the beacons. Our system considers using an AUV equipped with a time-synchronized iUSBL array to measure the range and angle between vehicle and acoustic beacons via one-way travel-time. Then, we propose UKF-based online SLAM to filter these acoustic measurements, meanwhile, add current compensation which is inherent underwater. In contrast, traditional SLAM applications usually contain a large number of landmarks, this iUSBL acoustic system only needs sparse beacons to estimate the vehicle pose. Consequently, it does not cause UKF to have an excessive computational burden. The validity of the proposed method is confirmed by numerical results. In particular, the proposed algorithm prevents cumulative errors from growing quickly quite well when using double beacons.INDEX TERMS Acoustic localization, inverted ultra-short Baseline, unscented Kalman filter, simultaneous localization and mapping, sea currents estimation.

show abstract

Underwater acoustic technology: Review of some recent developments

Cited by 16 publications

References 33 publications

An improved tracking algorithm for underwater vessels using the passive sonar

An improved tracking algorithm for underwater vessels using the passive sonar

The Development of SONAR as a Tool in Marine Biological Research in the Twentieth Century

UKF-Based Inverted Ultra-Short Baseline SLAM With Current Compensation

Contact Info

Product

Resources

About