commit aff8c831d35af413da6716223acd3e0833e31b9a
parent faa7c8cc0c7b143e984b7a6047afd24b0009a2e5
Author: Ivan Gankevich <i.gankevich@spbu.ru>
Date: Mon, 16 Mar 2020 15:03:39 +0300
Typos.
Diffstat:
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/main.tex b/main.tex
@@ -85,7 +85,7 @@ damaging the hull, compartment flooding etc. These effects are especially
severe for fishing and military vessels, but can occur with any vessel
operating in extreme conditions.
-Intelligent onboard system need large amount of synchronous recordings of ship
+Intelligent onboard system needs large amount of synchronous recordings of ship
motions parameters to operate, mainly angular displacement, velocity and
acceleration and draught, but these parameters depend on the shape of the ship
hull and obtaining them in model tests is complicated, let alone field tests.
@@ -93,7 +93,7 @@ Field tests are too expensive to perform and do not allow to simulate
particular phenomena such as compartment flooding. Model tests are too
time-consuming for such a task and there is no reliable way to obtain all the
derivatives for a particular parameter: sensors measure one particular
-derivative and all other derivatives have to calculated by numerical
+derivative and all other derivatives have to be calculated by numerical
differentiation or integration, and integration has low accuracy for time
series of measurements~\cite{kok2017sensors}. The simplest way to obtain those
parameters is to simulate ship motion on the computer and save all the
