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A Method of Reducing Disturbances in Radio Signaling by a System
Frequency Modulation Noise Characteristics by M G Crosby
Variation of Bandwidth with Modulation Index in Frequency Modu
15 other sections not shown
amplifier amplitude modulation amplitude modulation receiver analysis Appendix applied approximation assumed asymptotic average band bandwidth baseband binary carrier-noise ratio carrier-to-noise ratio characteristic circuit closed-loop noise bandwidth components computed constant crest factor curves demodulator derived deviation ratio distortion effect envelope equal expected number expression feedback demodulator first-order loop fluctuation noise formulas Fourier frequency detector frequency deviation frequency modulation receiver Gaussian noise given harmonics improvement threshold impulse noise increases input instantaneous frequency integral interference intermediate-frequency channel kilocycles limit linear low-pass filter maximum method modulation index noise power noise voltage obtained oscillator Paperbound parameters peak voltage phase angle phase-locked loop power spectrum probability density probability of error problem Proc quasi-stationary quency random rectified reduced root-mean-square Section shown in Fig side frequencies signal signal-noise ratio signal-to-noise ratio sinusoidal spectral density theory threshold impulses tion transfer function transmitter variable width zero