## Signals and Systems |

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### Contents

Table of Contents | 1-1 |

J S Chitode | 1-3 |

signals standard signals analysis of signals using Fourier series etc | 1 |

Review Question 2 80 | 80 |

Unsolved Examples 2 133 | 133 |

chapter presents analysis of DT systems Various properties of DT systems | 134 |

Review Questions 2 144 | 144 |

Review Question 2 | 166 |

Unsolved Examples 2 | 200 |

Review Questions 3 | 3-13 |

Review Questions 3 34 | 3-34 |

Chapter4 Discrete Time Systems 41 to 4140 | 4-1 |

Chapter5 Systems with Finite Infinite Duration Impulse Response 51 to 566 | 4-141 |

Review Questions 519 | 4-159 |

Review Question 5 27 | 4-167 |

Review Questions 5 | 4-186 |

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### Common terms and phrases

amplitude spectrum calculate cascade causal system Comparing above equation convolution definition of FT delayed Determine difference equation direct form discrete time signal discrete time system DT signal DTFT Duration Impulse Response energy signal equation becomes Example exponential pulse finite FIR system form-I fourier coefficients fourier series fourier transform pair frequency domain given by equation Hence above equation Hence the system impulse train integration inverse laplace transform LTI system Madras University magnitude and phase Marks multiplication obtained periodic function periodic signal phase spectrum poles power signal ramp function Re(s realization rectangular pulse represented sampled signal shift invariant shifting property shown in Fig shows signal x(t Signals and Systems signum function sine wave Solution structure summation system function term theorem transfer function unit circle unit impulse unit ramp unit sample response unit step function waveform written X(co zero