Seismic

Seismic exploration design and modeling

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Statistics and Signal Processing

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Neuroscience

Research software engineering in systems neuroscience

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Selected Paintings
Visual arts and photography favourites Read More ›

All quotes › Reading Clippings
A collection of quotes from readings over the years Read More ›

Statistics gone wild, girls gone average › Simpson's Paradox
All quotes › Reading Clippings
A collection of quotes from readings over the years Read More ›

The beauty of maths › Rosaces and multiplication tables
When multiplication tables morph into beautiful rosaces Read More ›

All quotes › Reading Clippings
A collection of quotes from readings over the years Read More ›

Puzzles and Problems
Some challenges to solve Read More ›

Maths › SVD and PCA
Singular value decomposition and principal component analysis Read More ›

Maths › Bayes Theorem
Basic notions of statistics Read More ›

Signal Processing › PSD
Spectral Density, Parseval theorem and Root Mean Square,... in Proper Units... Read More ›

Signal Processing › Minimum Phase
Signal Processing › Instantaneous Phase and Frequency
Signal Processing › Correlation Amplitude Levels
What kind of normalisation can be found on correlated vibroseis data Read More ›

Maths › Vector Calculus
Gradient, Laplacian and Divergence: the workhorses of differential calculus. Read More ›

Maths › Stacking : The Square-Root Law
An intuitive demonstration of why random noise stacks out proportionally to the square-root of the stacking fold. Read More ›

Maths › Parabola Interpolation
Maths › The Least-Squares Criterion in Inverse Problems
How to include uncertainties in the model and data spaces. Read More ›

Seismic Processing › Interval and RMS velocities
How to convert from interval to RMS velocities. And the way around. Read More ›

Rock Physics › Solving the Wave-Equation using Finite-Differences
Seismic modeling Read More ›

Rock Physics › Elasticity
Basics of Elasticity for the Geophysicist in a Hurry. Read More ›

Rock Physics › P-wave anisotropy : Thomsen & Tsvankin Parameters
A little primer on the connection between elasticity and seismic velocities. Read More ›

Quantitative Interpretation › Zoeppritz equations primer
AVA basics Read More ›

Survey Design › Fresnel Zone, Migration Aperture and Survey Apron
Target Oriented Survey Design. Read More ›

Survey Design › Spatial Aliasing
Elementary. Read More ›

Acquisition › Generalized Sweep Equation
Framework for advanced sweep design. Read More ›

Acquisition › Noises and Sensor Wiring
Pickup, ambient and recorder noise on a geophone array. Read More ›

Seismic Acquisition › Geophone Response
The recorded Earth motion gets its phase and amplitude modulated by the physical nature of the instrument. Read More ›

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Selected Paintings

Visual arts and photography favourites Read More ›

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