≪Chapter 1≫What is Ultrasound?
[ULTRASOUND HANDBOOK]
Natural Shape of Ultrasound
<What really is ultrasound?>
Learning Lessons From Living Things
<Some animals use ultrasound effectively.>
Emitting Ultrasound
<How do we emit ultrasound?>
Using Reflection
<Sound has a property to reflect.>
Using Vibration
<The vibration of the air is a sound. Then, when we use the vibration directly, ...>
<What really is ultrasound?>
Learning Lessons From Living Things
<Some animals use ultrasound effectively.>
Emitting Ultrasound
<How do we emit ultrasound?>
Using Reflection
<Sound has a property to reflect.>
Using Vibration
<The vibration of the air is a sound. Then, when we use the vibration directly, ...>