Sökning: "per-ivar olsson"

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1. 1. Advances in time–domain induced polarisation tomography : Data acquisition, processing and modelling

   Författare :Per-Ivar Olsson; Teknisk geologi; []
   Nyckelord :Tomography; Signal–to–noise ratio; Waveform; Duty–Cycle; induced polarisation; Electrical properties;

   Sammanfattning : What would you find below your feet – how do you find out? Perhaps you could look at a geological map, drill, or dig? That could work, but sometimes the maps are not detailed enough, and digging everywhere to find out is impractical. Imagine if you could develop a method that allows you to see straight through the ground, as x–rays through the body! To some extent, such methods already exist; you can for example send electric current into the ground that tells you what lies beneath when it returns. LÄS MER