1 INTRODUCTION

2 MODEL REPRESENTING THE QSOs

2.1 Template Spectrum - Broad Lines

2.2 Absorption from Intervening Neutral Hydrogen

2.3 Luminosity Function and Evolution

3 THE SIMULATION

3.1 Set-up

3.2 Extracting the Spectra

4 ANALYSIS OF THE SIMULATED SPECTRA

5 QSO DETECTION RATE AS A FUNCTION OF MAGNITUDE AND REDSHIFT

6 PREDICTIONS FOR QSO DETECTION IN THE EUCLID NISP WIDE SURVEY

7 SUMMARY AND DISCUSSION