## Encyclopedia of Physical Science and Technology, Volume 1 |

### From inside the book

Results 1-3 of 44

Page 132

*8(r) k sgn (/) COS &>,>' sin dial tf(t)

which is also very useful in system ...

*8(r) k sgn (/) COS &>,>' sin dial tf(t)

**Fourier transform**, F(jw) C. Role of the**Fourier****Transform**in Analog System Analysis A close relative of the Laplace transform,which is also very useful in system ...

Page 162

The matched z-transform is normally used to model narrowband frequency-

selective filters and is given by n{l 1(5 - a,) H(s) = H(z) = fW - b,Y n{l,[l ... The

spectrum.

The matched z-transform is normally used to model narrowband frequency-

selective filters and is given by n{l 1(5 - a,) H(s) = H(z) = fW - b,Y n{l,[l ... The

**Fourier transform**converts a signal into its frequency domain image called aspectrum.

Page 185

The most common and significant of these representation is that provided by

Fourier analysis. ... If the signal is not periodic (and of finite energy), then the

continuous

5a) ...

The most common and significant of these representation is that provided by

Fourier analysis. ... If the signal is not periodic (and of finite energy), then the

continuous

**Fourier transform**is used: X(f) = \"m x{t) e-'2"* dt xit) = £_ X(f) e>*'f' df (5a) ...

### What people are saying - Write a review

#### Encyclopedia of physical science and technology

User Review - Not Available - Book VerdictAlthough almost a decade has passed since the second edition of this work was published, this encyclopedia's reputation as a high-quality scholarly work has not diminished. Guided by an advisory board ... Read full review

### Contents

Daniel Hillel | 303 |

Seismology Observational 17 Stochastic Description | 325 |

Seismology Theoretical 47 Solar Chimneys | 335 |

Copyright | |

18 other sections not shown

### Other editions - View all

### Common terms and phrases

analog analysis analytic set Apollo applications average bond graph cell circuit clusters coefficient components defined density developed devices domain earth earthquake electric field electrons energy engineering entropy equation equilibrium extraction filter flight flow Fourier transform frequency function Gibbs entropy given heat integral ionosphere ions linear magnetic field magnetosphere mass measure ment method mission moon motion observed open clusters operator orbit parameters particles phase physical planet plasma prediction pressure problem produced propellant properties quantizer quantum radar radiation region result Salyut samples satellite seismic seismic waves seismographs seismology shown in Fig shuttle simulation sintering Skylab soil solar wind solid solution solvent Solvent extraction Soyuz space spacecraft spaceflight speech SS Challenger SS Discovery stars structure surface techniques temperature thermal thermodynamic thyristor tion USA SS variable vector velocity voltage waves