Communication Systems |
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Page 404
... Figure P7.5 ( a ) Assuming a full - load sinusoidal modulating wave , and front - end receiver noise of zero mean and power spectral density No / 2 , determine the output signal - to - noise ratio and figure of merit of the system ...
... Figure P7.5 ( a ) Assuming a full - load sinusoidal modulating wave , and front - end receiver noise of zero mean and power spectral density No / 2 , determine the output signal - to - noise ratio and figure of merit of the system ...
Page 623
Simon S. Haykin. Appendix 3 NOISE FIGURE A convenient measure of the noise performance of a linear two - port device is furnished by the so - called noise figure . * Consider a linear two - port device con- nected to a signal source of ...
Simon S. Haykin. Appendix 3 NOISE FIGURE A convenient measure of the noise performance of a linear two - port device is furnished by the so - called noise figure . * Consider a linear two - port device con- nected to a signal source of ...
Page 626
... FIGURE OF COMPOSITE TWO - PORT NETWORKS It is often necessary to evaluate the noise figure of a cascade connection of two - port networks whose individual noise figures are known . Consider Fig . A3.3 consisting of a pair of two - port ...
... FIGURE OF COMPOSITE TWO - PORT NETWORKS It is often necessary to evaluate the noise figure of a cascade connection of two - port networks whose individual noise figures are known . Consider Fig . A3.3 consisting of a pair of two - port ...
Contents
Representation of Signals and Systems | 12 |
Amplitude Modulation | 114 |
Noise in CW Modulation | 316 |
Copyright | |
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assume autocorrelation function average power average probability band-pass filter band-pass signal bandwidth baseband baseband signal binary PSK binary sequence binary wave carrier frequency carrier wave carrier-to-noise ratio channel coherent complex envelope Consider correlation corresponding defined delta function demodulator denote DSBSC wave duration envelope detector equal Figure filter output FM wave frequency f frequency modulation Hilbert transform impulse response input signal integral interval linear low-pass filter message points message signal modulating wave multiplexing noise power obtained oscillator output signal-to-noise ratio PCM system phase phase-locked loop power spectral density probability density function probability of error Problem produced Product modulator pulse QPSK quadrature components quantizing random process X(t random variable received signal receiver output result Rx(t sample function shown in Fig side-frequencies signal g(t signal-to-noise ratio spectral density No/2 spectrum SSB wave transfer function transmission bandwidth variance vector wave s(t waveform zero mean