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DIGITAL SIGNAL PROCESSING: Beginner Guide
DIGITAL SIGNAL PROCESSING UNIT I DISCRETE FOURIER TRANSFORM 9 DFT and its properties, Relation between DTFT and DFT, FFT computations using Decimation in time and Decimation in frequency algorithms, Overlap-add and save methods Review of design of analog Butterworth and Chebyshev filters, Frequency transformation in the analog domain Design of IIR digital filters using impulse invariance technique Design of digital filters using bilinear transform pre warping Realization using direct, cascade, and parallel forms. Symmetric and Antisymmetric FIR filters Linear phase FIR filters Design using Hamming, Hanning, and Blackman Windows Frequency sampling method Realization of FIR filters Transversal, Linear phase and Polyphase structures. Fixed point and floating-point number representations Comparison Truncation and Rounding errors - Quantization noise derivation for quantization noise power coefficient quantization error Product quantization error - Overflow error Roundoff noise power - limit cycle oscillations due to product roundoff and overflow errors - signal scaling Introduction to Multirate signal processing-Decimation-Interpolation-Polyphase implementation of FIR filters for interpolator and decimator -Multistage implementation of sampling rate conversion- Design of narrow band filters - Applications of Multirate signal processing. Read more