Spectra of Quantized Signals

Bennett, Jan. 1939, Time Division Multiplex Systems, Bell Sys. Tech. Jour., 18, 1

Black, July, 1947, Pulse Code Modulation, Bell Lab. Record, 25, 265

Goodall, July, 1947, Telephony by Pulse Code Modulation, Bell Sys. Tech. Jour., 26, 395, 10.1002/j.1538-7305.1947.tb00902.x

Grieg, Sept. 1947, Pulse Count Modulation System, Tele-Tech, 6, 48

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Meacham, Jan., 1948, An Experimental Pulse Code Modulation System of Toll Quality, Bell Sys. Tech. Jour., 27, 1, 10.1002/j.1538-7305.1948.tb01329.x

Nyquist, April, 1928, Certain Topics in Telegraph Transmission Theory, A. I. E. E. Trans, 617

Peterson, Nov. 1939, Gas Tube Noise Generator for Circuit Testing, Bell Lab. Record, 18, 81

Bennett, Oct. 1940, Cross-Modulation in Multichannel Amplifiers, Bell Sys. Tech. Jl., 19, 587, 10.1002/j.1538-7305.1940.tb00847.x

Wiener, 1930, Generalized Harmonic Analysis, Acta. Math., 55, 177, 10.1007/BF02546511

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Bennett, April 1933, New Results in the Calculation of Modulation Products, Bell Sys. Tech. Jour., 12, 228, 10.1002/j.1538-7305.1933.tb03224.x

Campbell, Oct. 1928, The Practical Application of the Fourier Integral, Bell Sys. Tech. Jour., 7, 639, 10.1002/j.1538-7305.1928.tb00347.x

Kleene, 1947, Analysis of Lengthening of Modulated Repetitive Pulses, Proc. I. R. E., 35, 1049, 10.1109/JRPROC.1947.231927