Signals Systems Past Papers 1
Paper: Signals Systems Time Allowed: 3 hours Examination: Total Marks: 70, Passing Marks (35)Q 1: What are the Basic System Properties? Explain. Q 2: Convolve the following signals h(t) = e-at u(t) where a > 0 x(t) = e-btu(t) where b> 0 Q 3: Explain in detail Pulse Amplitude modulation and Sinusoidal Frequency Modulation with the help of Examples. Q 4: Explain properties of Laplace transform. Q 5: Explain sampling theorem. How signal can be reconstructed from samples using interpolation. Q 6: Explain Linearity, time shifting, time reversal and time scaling properties of continues time Fourier series. Q 7: Explain properties of LTI system in detail. Q 8: Write short notes on any two of the following.
- Periodic and Aperiodic Signals
- Aliasing of the signal.
- Frequency Division Multiplexing
Signals Systems Important Questions from Guess Papers 2
Paper: Signals Systems Time Allowed: 3 hours Examination: Total Marks: 70, Passing Marks (35)Q.1 True/False. (14) a. Communication is the process of exchanging information. b. Optical media communication channels are used for audio or video analog signals. . c. Simplex communication refers to a one-way transmission type system. d. Modulation makes the information signal more compatible with the medium. e. Analog signals vary continuously. f. A complex Exponential Signal is Three Dimensional Signal. g. A system that require memory is called dynamic system. Q.2 Derive the Equation for Energy & power in Signal and System? . (14) Q.3 X(t) = Cost + Sint + CostSint ?. (7+7) Find Even & Odd Component Of Signal ? Q.4 Find i) x(t-1) ii) x(2t+1) iii) x(4-t/2) iv) x(t+1) .Q.5 What is signal & System. Explain. (14) Q.6 Find the cofficient of Fourier Series? (14) Q.7 Find Discrete Time Fourier Trasnform? (14) X[n] = an u[n] Q.8 Write short notes on any two of the following (7+7) (a) Fourier Series (b) Continous and Discrete-time signal (c) Unit Step & Unit Impulse