We have set up a code for the generation of synthetic seismograms which includes modeling of different acquisition systems and noise. It is based on the well-known reflectivity method because it allows a rigorous description of all the propagation phenomena that affect the spectrum of the signal. Some experiments on crustal models are presented. As a result, we can evaluate the offset range where the reflection acquisition systems conventionally used in hydrocarbon exploration improve the signal to noise ratio with respect to the methods traditionally applied to crustal studies (wide angle reflection seismics). We can also investigate the impact of different acquisition schemes on the success of single processing steps such as the velocity analysis of deep events. Moreover, during the survey, the noise generated by the program can be set at the level observed on the field records so that we can predict the expectable quality of deep reflections and we can perform a real time optimization of the acquisition parameters .


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