Erik Koene
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Thinking out loud...


Time-reverse imaging without the mystery

Posted on March 9, 2021

There are two standard modern imaging methods in (exploration) seismology: reverse-time migration (RTM) and full-waveform inversion (FWI). Both of these methods rest on the need... [Read More]
Tags: full waveform inversion FWI reverse time migration RTM geophysics algorithms

On the innocence of fantasy

Posted on February 19, 2021

From our youngest ages, we spend vast amounts of time mentally immersing ourselves in fantasy worlds – in the form of daydreaming, reading, TV series,... [Read More]
Tags: fantasy morality

On things being good, and also bad

Posted on February 1, 2021

Societies are made up of things that are simultaneously good and bad. I don’t mean that in the sense of different tastes, like how some... [Read More]
Tags: politics society

News as a calibration of outrage

Posted on January 27, 2021

I have a lot of different conceptualizations about news, what it is, and what it should do. Some of those views are compatible, but they... [Read More]
Tags: news politics

Implementing the Cagniard-de Hoop Method for anisotropic 2-D media

Posted on January 18, 2021

I need an exercise to learn the programming language Julia. I have used in in the past as a toy program to implement a finite-difference... [Read More]
Tags: geophysics Julia
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Erik Koene  •  2022