Target strength

The target strength or acoustic size is a measure of the reflection coefficient of a sonar target. This is usually quantified as a number of negative decibels. For fish such as salmon, the target size varies with the length of the fish and a 5 cm fish would have a target size of about -50 db.

单词	Target strength
释义	Target strength 英语百科 Target strength The target strength or acoustic size is a measure of the reflection coefficient of a sonar target. This is usually quantified as a number of negative decibels. For fish such as salmon, the target size varies with the length of the fish and a 5 cm fish would have a target size of about -50 db.
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