## Communication Systems: An Introduction to Signals and Noise in Electrical Communication |

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Page ii

Associate Consulting Editors Ahrendt and Savant Servomechanism Practice

Angelakosand Everhart Microwave Communications Angelo Electronic

Aseltine Transform Method in Linear System Analysis Atwater Introduction to ...

Associate Consulting Editors Ahrendt and Savant Servomechanism Practice

Angelakosand Everhart Microwave Communications Angelo Electronic

**Circuits**Aseltine Transform Method in Linear System Analysis Atwater Introduction to ...

Page 250

Then, as jf (t) swings above or below fc, the amplitude response of the tuned

signal, yielding the waveform yc(t). Extracting only the amplitude variation with an

...

Then, as jf (t) swings above or below fc, the amplitude response of the tuned

**circuit**converts the frequency variation to an amplitude variation on top of the FMsignal, yielding the waveform yc(t). Extracting only the amplitude variation with an

...

Page 422

Hz. An rms voltmetel with BN = 100 kHz would read the open-

V4RkToBN = (16 × 10−17 × 105)} = 4 uv. When analyzing networks having

resistance noise, we can replace the noisy resistor by a fictitious noiseless

resistance of ...

Hz. An rms voltmetel with BN = 100 kHz would read the open-

**circuit**value asV4RkToBN = (16 × 10−17 × 105)} = 4 uv. When analyzing networks having

resistance noise, we can replace the noisy resistor by a fictitious noiseless

resistance of ...

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### Contents

Introduction | 1 |

Signals and Spectra | 15 |

Signals and Linear Networks | 67 |

Copyright | |

8 other sections not shown

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### Common terms and phrases

amplifier analog analysis approximately average power band bandlimited bandwidth baseband binary carrier frequency channel chap circuit communication systems constant deemphasis demodulator density function detection deviation discrete distortion duration electrical electron entropy envelope detector equal equivalent error probability example exponential modulation Fourier series Fourier transform frequency domain gaussian Hence ideal impulse response integration limit line spectrum linear modulation lowpass filter message band message digits modulating signal noise power nonlinear phase shift phasor postdetection power spectrum predetection pulse shape quantized random signals random variable receiver rectangular pulse resistor sample values shown in Fig signal power signal-to-noise ratio signaling speed sine sinusoidal spectra statistically independent symbols synchronous techniques temperature theorem theory threshold tion tone modulation transfer function transmission bandwidth two-port variations voltage waveform white noise xc(t zero