Digital Signal Processing Laboratory, Second Edition by B. Preetham Kumar

By B. Preetham Kumar

Given the fast software program and advancements in DSP, it is necessary for college kids to enrich their theoretical studying with sensible purposes. electronic sign Processing Laboratory is a realistic, effortlessly comprehensible textual content for these learning DSP for the 1st time. the writer acquaints scholars with an built-in strategy which include side-by-side education in concept and hardware/software points of DSP, making it excellent for the spouse laboratory to a category in DSP theory.

To execute this technique, each one bankruptcy comprises a short part on thought to give an explanation for the underlying arithmetic and ideas, an issue fixing part, and a working laptop or computer laboratory part with programming examples and workouts utilizing MATLAB and Simulink. appropriate chapters comprise a laboratory part composed of routines utilizing try out and measuring gear. the writer discusses the speculation of DSP purposes and structures, LTI discrete-time signs and platforms, useful time and frequency research of discrete-time indications, Analog-to-Digital (A/D) technique, layout and alertness of electronic filters, and the applying of useful DSP tactics during the DSP undefined, besides software program versions of those systems.

This textbook/lab handbook bargains a concise, simply understood presentation that makes the knowledge available to senior undergraduate and graduate scholars whereas construction their skillability with the software program, the undefined, and the idea of DSP. scholars can simply adapt the innovations for various software/hardware stipulations than these offered inside, making this a very flexible and helpful source.

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A. 6 Figure for problem (b). We wish to derive new filters from this prototype by manipulation of the impulse response h(n). i. Plot the frequency response H1 (ejω) for the system whose impulse response is h1(n) = h(2n). ii. Plot the frequency response H2(ejw) for the system whose impulse response is as follows: h2(n) = h(n/2), n = 0, ±2, ±4, … h2(n) = 0, otherwise iii. Plot the frequency response H3(ejω) for the system whose impulse response is h3(n) = ejπnh(n). b. 6 with input x(n) and output y(n).

FmPage31Wednesday,November17,200411:47AM Discrete-Time Signals and Systems 31 c. Extend the program to complete the following: • Generate the pole-zero plot of the system H(z). • Determine the poles and zeros of the system function H(z), and have the program automatically generate the poles and zeros of the corresponding minimum-phase system Hmin(z). • Create the system model Hmin corresponding to the minimum-phase system Hmin(z), and generate the pole-zero plot of the minimumphase system.

16(b). 9, which requires 16 multiplications. The latter reduction in multiplication count will be generalized into a formula in the next section. 5. However, the same computation can be done with only N Log2N complex multiplications, when a radix-2 (N is a power of 2) FFT is used. This is especially significant for large values of N: when N = 128, the number of complex multiplications is 16384 for direct computation of DFT and only 896 for a radix-2 FFT computation. • FFT algorithms also exist when N is not a power of 2.

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Digital Signal Processing Laboratory, Second Edition by B. Preetham Kumar
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