Accession Number : AD0607535

Title :   DISTORTION INTRODUCED INTO FREQUENCY MODULATION BY ARBITRARILY LIMITING THE TRANSMISSION BANDWIDTH.

Descriptive Note : Master's thesis,

Corporate Author : AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OHIO

Personal Author(s) : Burt,Robert L. ; Foeh,Adolph W.

Report Date : AUG 1964

Pagination or Media Count : 220

Abstract : The distoriton introduced by arbitrarily limiting the transmission bandwidth of an FM wave can be obtained by solving the mathematical expression derived, verified, and illustrated in this thesis. Although the method explained will determine distortion of an FM wave modulated by the sum of any number of sinusoidal signals, the digital com puter solution time becomes excessive when more than ten modulating signals are applied. Solutions graphically illustrated include modulating signals of; single sinusoids with modulating indices varying from 0.3 to 50.0, two through six non-harmonic sinusoids, and triangular pulse represented by the first six terms of its Fourier series. (Author)

Descriptors :   FREQUENCY MODULATION, BANDWIDTH), (*BANDWIDTH, DISTORTION), (*NARROWBAND, DISTORTION), WAVE PROPAGATION, MATHEMATICAL ANALYSIS, DIGITAL COMPUTERS, DEMODULATION, RADIO SIGNALS, BESSEL FUNCTIONS, EQUATIONS, PROGRAMMING LANGUAGES, STATISTICAL DATA

Distribution Statement : APPROVED FOR PUBLIC RELEASE