Echo sounding is a type of SONAR used to determine the depth of water by
transmitting sound ... Diagram showing the basic principle of echo sounding ...
headings of ships or obstacles by means of re...
Echoes occur when a reflected sound wave reaches the ear more than 0.1
seconds after the original sound wave .... This is depicted in the diagram at the
Sound waves are longitudinal waves that must pass through a medium, such as
air. Echoes are reflections of sounds. The frequency of ultrasound is above 20 ...
These echoes are relatively intense and angle dependent. (i.e. valves) -
Reflection ... Ultrasound waves travel at a speed of sound c, given by c = 1.
Variations in ...
May 6, 2000 ... A condensation is part of a sound wave where the density is higher than .....
because one must be too close for the echo to be distinguished.
ultrasound echo from a transducer into the body. As the ultrasound ... Sound
waves can be described in terms of their frequency (measured in cycles per
second or ... Schematic representation of ultrasound pulse generation.
Reproduced with ...
... the following topics: Laws of Reflection; Curved Reflectors; Echoes; Ultrasound
. Laws of Reflection. The laws of reflection are the same for all types of waves,
including light and sound. The diagram below shows light reflecting in a mirror: ...
www.wikiradiography.com/page/Basic Ultrasound Physics
Defining Ultrasound Ultrasound uses sound waves. ... Ultrasound uses a pulse-
echo technique of imaging the body. ... and the individual movement of each
particle in the diagram is/ can be described mathematically by the wave equation.
Feb 4, 2015 ... A boat is fitted with an echo-sounder which uses ultrasound with a ... The
diagrams represent sound waves displayed on an oscilloscope. 16.
Draw the diagram of a wave and mark its amplitude on it. Sol. ..... Sol. On a hot
day, echo is heard sooner since velocity of sound increases with temperature.