Digital Signal ProcessingA significant revision of a bestselling text for the introductory digital signal processing course. This book presents the fundamentals of discretetime signals, systems, and modern digital processing and applications for students in electrical engineering, computer engineering, and computer science. The book is suitable for either a onesemester or a twosemester undergraduate level course in discrete systems and digital signal processing. It is also intended for use in a onesemester firstyear graduatelevel course in digital signal processing. 
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an excelle nt book for signal processing specially designed for extended view of digital signals and to explain there properties.
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nice
Contents
45  67 
Problems  139 
The zTransform and Its Application to the Analysis of LTI  147 
Copyright  
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addition algorithm analog analysis applications assume autocorrelation band called causal Chapter characteristics coefficients complex components computation condition Consequently consider converter convolution corresponding defined delay described desired Determine difference equation direct domain effect equivalent error example expressed factor Figure finite FIR filter formula Fourier transform frequency response given Hence illustrated in Fig implementation important impulse response input signal integer interpolation inverse lattice lowpass magnitude method multiplications noise observe obtain operation output parameters performed periodic phase points poles positive practical problem provides quantization range realization recursive relation relationship represents requires result sampling sampling rate satisfies sequence sequence x(n shift Show shown in Fig signal x(n simply sinusoidal solution specifications spectrum structure Suppose system function unit unit circle values yields ztransform zero