## Engineering measurement and physical systems |

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### Contents

DYNAMICS OF FIRST ORDER LINEAR SYSTEMS | 8 |

DYNAMICS OF SECOND ORDER SYSTEMS | 18 |

SEISMIC INSTRUMENTS AND VIBRATION ISOLATION | 36 |

Copyright | |

7 other sections not shown

### Common terms and phrases

amplitude modulation approximately arctan assume becomes best estimate boundary conditions Cantilever Beam carrier channel complex number Consider constant coefficients continuous time series cumulative probability curve damping ratio defined derivatives difference equation difference technique electronic differential analyzer equation 3-3 finite fluctuation noise forcing function Fourier series frequency modulation fully modulated given gives Heat Equation heat flow information capacity initial conditions input function integral large number linear system low pass filter mode shapes noise component normal distribution normal-mode frequencies number of cells number of measurements obtained ordinary differential equations output voltage parent distribution partial differential equations plot probability density function probable error problem quantity represents resistors sample seismic instrument separation of variables shown in Fig side frequencies sine wave sinusoidal standard deviation static sensitivity steady state solution string transient true value unit band unit band width voltage wave equation zero