TY - BOOK AU - Oppenheim, Alan V. TI - Signals and systems SN - 8177582623 (pbk) U1 - 621.3822 PY - 1997/// CY - New Delhi PB - Pearson Education KW - Signal and systems KW - Singularity functions KW - Periodic signals KW - Fourier transform KW - Time and frequency KW - Communication systems KW - Sampling KW - FEAS N1 - Include index ER -