The digital fidelity offered by the latest generation of MEMS sensors enables the recording of seismic data with true amplitude and phase and in contrast to geophones its response is unaffected by manufacturing tolerances, ageing and temperature.
In addition, having power consumption and cost now lower than that of a geophone connected to an ADC, these sensors are excellent candidates to complement the industry’s growing use of nodal acquisition in land surveys.
Two field tests, in land and OBN, were recently organized to illustrate the advantages of MEMS over geophones. The results of the two tests are herein presented and discussed.
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