[Univ. Zagreb ISPA 2001. Proceedings of the 2nd International Symposium on Image and Signal Processing and Analysis - Pula, Croatia (19-21 June 2001)] ISPA 2001. Proceedings of the 2nd International Symposium on Image and Signal Processing and Analysis. In conjunction with 23rd International Conference on Information Technology Interfaces (IEEE Cat. No.01EX480) - Analysis of the output spectrum for direct digital frequency synthesizers in the presence of phase truncation and finite arithmetic precision