- UID
- 1512213
- 在线时间
- 小时
- 注册时间
- 2022-1-19
- 最后登录
- 1970-1-1
- 主题
- 帖子
- 性别
- 保密
|
解释echo location
Dolphin
只有一些odontocete species有echolocate的能力
Melon, sacs and skull evidence dolphin 可以
具体原理解释
Echo location system
Sacs—generate clicks which higher than for comm
Melon—narrow sound
Pan bone receive echo
Fatty tissue transmit sound to middle earbrain
Receive echo generate another click
Time lap evaluate distance
Strengthdirection
System is complex and sensitive
Only use acoustic sense
|
|