Aspiring engineers who are preparing for the Graduate Aptitude Test in Engineering (GATE) understand the significance of thorough preparation and comprehensive study resources.

Through a meticulous examination of previous years’ question papers, we aim to provide you with valuable insights, key trends, and effective strategies to excel in Signal and System for your GATE exam.

## GATE EE Syllabus for the Subject Signal and System

Representation of continuous and discrete time signals, shifting and scaling properties,

Linear time-invariant and causal systems, Fourier series representation of continuous and discrete time periodic signals,

Sampling theorem, Applications of Fourier Transform for continuous and discrete time signals,

Laplace Transform, and Z transform. R.M.S. value, average value calculation for any general periodic waveform.

## Analysis of Previous GATE Papers for Signal and System

Year | Percentage of Marks |
---|---|

2023 | 12% |

2022 | 8 % |

2021 | 8 % |

2020 | 10 % |

2019 | 4 % |

2018 | 10 % |

2017 | 6.50% |

2016 | 9% |

2015 | 10 % |

2014 | 8 % |

2013 | 4 % |

## Recent GATE Paper Questions of Signal and System

The following questions have been asked from Signals and System , in GATE-EE 2023

Q. Which one of the following is/are TRUE?

(a) If LTI system is CAUSAL, it is stable.

(b) If Impulse Response 0 < |h(n)| < 1 for all n. then LTl system is a stable system.

(c) If discrete LTI system has impulse response h(n) Of finite duration the system is Stable

(d) A discrete-time LTI system is causal if and only if its response to a Step input |h(n)| is zero for n < 0.

Q. A signal x(t) 2 cos(180 \pi t) cos(60 \pit) is sampled at 203 Hz and then passed through an ideal low pass filter having cut-off frequency of 100 Hz. The maximum frequency present in the filtered signal in Hz is (round Off to the nearest integer).

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