HE BELL SYSTEM 



nical ournal 



CVOTED TO THE SC I EN TIFIC^^^ AND ENGINEERING 

 liPECTS OF ELECTRICAL COMMUNICATION 



LUME XXXVI JULY 1957 NUMBER 4 



Noise Spectrum of Electron Beam in Longitudinal 



Magnetic Field w. w. rigrod AUij vo , 



"" '^'^ 195/ 



Part I — The Growing Noise Phenomenon 831 



Part II— The UHF Noise Spectrum 855 



Distortion Produced in a Noise Modulated FM Signal by Non- 

 linear Attenuation and Phase Shift s. o. rice 879 



Self-Timing Regenerative Repeaters e. d. stjnde 891 



A Sufficient Set of Statistics for a Simple Telephone Exchange 



Model V. e. benes 939 



Fluctuations of Telephone Traffic v. e. benes 965 



High-Voltage Conductivity-Modulated Silicon Rectifier 



H, s. veloric and m. b. prince 975 



Coincidences in Poisson Patterns e. n. gilbert and h. o. pollak 1005 



Bell System Technical Papers Not Published in This Journal 1035 



Recent Bell System Monographs 1043 



Contributors to This Issue 1045 



COPYRIGHT 1967 AMERICAN TELEPHONE AND TELEGRAPH COMPANY 



