IEEE Transactions on Space Electronics and Telemetry
Volume 10 Issue 3 • Sept. 1964
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Table of contents
Publication Year: 1964, Page(s): c1
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IEEE Space Electronics and Telemetry Group
Publication Year: 1964, Page(s): c2
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Analog-to-Digital Conversion by Means of Delta Modulation
Publication Year: 1964, Page(s):87 - 90
Cited by: Papers (4)It is shown that normal delta modulation can be used for the transmission of dc signals. A circuit is described in which a delta modulator is combined with a counter for analog-to-digital conversion of a dc signal. Several factors contributing to the accuracy are developed. One of these factors which has not been dealt with previously is the size of the steps in the reconstructed signal due to the... View full abstract»
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Factors Affecting the Threshold of Feedback FM Detectors
Publication Year: 1964, Page(s):90 - 94A signal dependent threshold condition is often observed in feedback FM detectors. It is shown in this paper that this is due to the shape of the discriminator characteristic, and that in general a great deal of care is needed in discriminator design in order to reduce this effect. View full abstract»
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Optimum Coherent Phase and Frequency Demodulation of a Class of Modulating Spectra
Publication Year: 1964, Page(s):95 - 102
Cited by: Papers (20)The optimum phase-locked loop demodulator is obtained for a carrier, phase modulated by a stationary Gaussian modulating process whose spectrum is proportional to 1/1 + (f/B)2n where n is any positive integer. Results are obtained also when the carrier is frequency modulated by the process for the limiting cases n = 1 and as n approaches infinity. It is shown that for phase modulation the output S... View full abstract»
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A Nonblocking Switching System for Programmed Telemetry Control
Publication Year: 1964, Page(s):102 - 110Manual patching of large quantities of circuits requires considerable time, and is difficult to verify and awkward to change. The system described herein is an automatic patchboard capable of making 480 (or less) connections rapidly. Connections are made between two-wire inlets and outlets in any combination, and are controlled from a preprogrammed punched tape or from manual operation of a keyset... View full abstract»
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Telemetry Error Measurements Using Pseudo-Random Signals
Publication Year: 1964, Page(s):111 - 115
Cited by: Papers (5)Conventional methods of measuring wide-band data error in continuous telemetry systems use shaped random noise to simulate the signal. This article describes the advantages of using discrete pseudo-random signals for this application. Results for a typical frequency-division telemetry system are presented. View full abstract»
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Radio Interferometer Phase-Channel Combiner Mod. II for the Navy Space Surveillance System
Publication Year: 1964, Page(s):116 - 123
Cited by: Papers (6)The Space Surveillance System developed at the U. S. Naval Research Laboratory, Washington, D. C., for the detection of earth satellites forms a fence across the southern part of the United States. Four receiving sites are alternated with three transmitting sites which illuminate satellites with radio energy as they traverse the fence. The angle of arrival of the reflected energy is measured at ea... View full abstract»
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Noise in Digital-to-Analog Conversion Due to Bit Errors
Publication Year: 1964, Page(s): 124
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PDF (127 KB)
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Comment on "Distortion of Multitone FM Signals Due to Phase Nonlinearity"
Publication Year: 1964, Page(s): 125
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PDF (257 KB)
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Contributors
Publication Year: 1964, Page(s):126 - 127
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Institutional listings
Publication Year: 1964, Page(s): 127a
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AbstractAims & Scope
This Transactions ceased publication in 1965. The new retitled publication is IEEE Transactions on Aerospace and Electronic Systems.