Communication Systems: An Introduction to Signals and Noise in Electrical Communication |
Contents
Introduction | 1 |
Signals and Spectra | 15 |
Signals and Linear Networks | 67 |
Copyright | |
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Common terms and phrases
amplifier analysis approximately average power band bandlimited bandwidth baseband binary carrier frequency channel chap circuit communication systems components constant demodulator density function detection distortion electrical electron entropy envelope detector equivalent error probability example exponential modulation Fourier series gaussian Hence ideal impulse response input integration line spectrum linear modulation lowpass filter message band modulating signal narrowband noise power nonlinear phase shift phasor postdetection power spectrum predetection quantized random signals random variable receiver rectangular pulse resistor sample values shown in Fig signal x(t signal-to-noise ratio signaling speed 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