Relation between nepers and decibels

From SEG Wiki
Jump to navigation Jump to search

Problem 2.17

The natural logarithm of the ratio of two amplitudes is measured in nepers. Show that one neper = 8.68 dB.


By definition, if and are energies, is the value of the ratio in bels. One bel = 10 decibels (dB), and energy is proportional to (amplitude), so



Let value measured in nepers, dB = same value in decibels. Then,

Since .

Continue reading

Previous section Next section
Tube-wave relationships Attenuation calculations
Previous chapter Next chapter
Introduction Partitioning at an interface

Table of Contents (book)

Also in this chapter

External links

find literature about
Relation between nepers and decibels
SEG button search.png Datapages button.png GeoScienceWorld button.png OnePetro button.png Schlumberger button.png Google button.png AGI button.png