TY - BOOK AU - Nagrath,I.J. TI - Signals and systems SN - 0074637711 PY - 2001/// CY - New Delhi, India PB - Tata McGraw-Hill KW - Signal processing KW - System analysis KW - Discrete-time systems KW - Linear time invariant systems KW - Digital filters (Mathematics) N1 - Includes bibliographical references [587-588] and index ER -