Communication Systems: An Introduction to Signals and Noise in Electrical Communication |
From inside the book
Results 1-3 of 27
Page 7
... analog or coded ( digital ) . This is particularly true of the more complex systems , which employ both c - w and pulsed techniques , making distinction by carrier type hazy . The analog - versus - digital distinction is as follows . In ...
... analog or coded ( digital ) . This is particularly true of the more complex systems , which employ both c - w and pulsed techniques , making distinction by carrier type hazy . The analog - versus - digital distinction is as follows . In ...
Page 289
... ANALOG PULSE MODULATION If a message is adequately described by its sample values , it can be transmitted via analog pulse modulation , wherein the sample values directly modulate a ... ANALOG PULSE MODULATION Analog Pulse Modulation.
... ANALOG PULSE MODULATION If a message is adequately described by its sample values , it can be transmitted via analog pulse modulation , wherein the sample values directly modulate a ... ANALOG PULSE MODULATION Analog Pulse Modulation.
Page 363
... analog systems . Thus , before going on , it is perhaps helpful to get a feeling for typical values of these parameters . Just as analog signals have a wide range of bandwidths , so digital signals have a wide range of bit rates , 1 ...
... analog systems . Thus , before going on , it is perhaps helpful to get a feeling for typical values of these parameters . Just as analog signals have a wide range of bandwidths , so digital signals have a wide range of bit rates , 1 ...
Contents
Introduction | 1 |
Signals and Spectra | 15 |
Signals and Linear Networks | 67 |
Copyright | |
9 other sections not shown
Other editions - View all
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