Browsing Brage IMR by Author "Lunde, Per"
Now showing items 1-5 of 5
-
A unifying theory explaining different power budget formulations used in modern scientific echosounders for fish abundance estimation
Lunde, Per; Korneliussen, Rolf J. (Fisken og Havet;7-2014, Research report, 2014-12-31)Acoustic methods used in fish abundance estimation constitute a key part of the analytic assessment that makes the basis for fisheries research and international regulations of marine resources. The methods rely on ... -
A unifying theory explaining different power budget formulations used in modern scientific echosounders for fish abundance estimation
Lunde, Per; Korneliussen, Rolf J. (Research report, 2014-12-31)Acoustic methods used in fish abundance estimation constitute a key part of the analytic assessment that makes the basis for fisheries research and international regulations of marine resources. The methods rely on power ... -
Finite-amplitude sound propagation effects in volume backscattering measurements for fish abundance estimation
Pedersen, Audun Oppedal; Lunde, Per; Tichy, Frank; Korneliussen, Rolf (Peer reviewed; Journal article, 2022)Abstract – Scientific advice for governmental management of marine resources relies on acoustical observation methods. Quantification and identification of fish and plankton species are often achieved using multi-frequency ... -
Power budget equations and calibration factors for fish abundance estimation using scientific echo sounders and sonar systems
Lunde, Per; Korneliussen, Rolf (Journal article; Peer reviewed, 2016-07-09)Acoustic methods used in fish abundance estimation constitute a key part of the analytic assessment that makes the basis for abundance estimation of marine resources. The methods rely on power-budget equations and calibrated ... -
Power-budget and echo-integrator equations for fish abundance estimation
Lunde, Per; Pedersen, Audun O.; Korneliussen, Rolf J.; Tichy, Frank E.; Nes, Håvard (Fisken og Havet;10-2013, Research report, 2013-12-31)For abundance estimation and species identification on fisheries acoustic surveys, control with temperature and finite amplitude effects in the sea demands the calibration factor C of the conventional echo-integrator ...