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IRE Transactions on Space Electronics and Telemetry

Issue 3 • Sept. 1962

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Displaying Results 1 - 10 of 10
  • [Front cover]

    Publication Year: 1962, Page(s): c1
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  • IRE Professional Group on Space Electronics and Telemetry

    Publication Year: 1962, Page(s): nil1
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  • [Breaker page]

    Publication Year: 1962, Page(s): nil1
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  • Delay Variations in Telemetry Filters

    Publication Year: 1962, Page(s):199 - 204
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1308 KB)

    The significance of filter delay characteristics in telemetry applications is discussed, and fundamental terms are defined. Suggested methods of delay measurement are presented, and experimental results are given. Recommendations are offered regarding filter specifications. View full abstract»

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  • A Telemetering System by Code Modulation - Δ- ΣModulation

    Publication Year: 1962, Page(s):204 - 209
    Cited by:  Papers (56)  |  Patents (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (883 KB)

    A communication system by code modulation is described which incorporates an integration process in the original delta modulation system and is named delta-sigma modulation after its modulation mechanism. It has an advantage over delta modulation in dc level transmission and stability of performance, although both require essentially an equal bandwidth and complexity of circuitry. An experimental ... View full abstract»

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  • Phase-Lock Loop Frequency Acquisition Study

    Publication Year: 1962, Page(s):210 - 227
    Cited by:  Papers (24)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5177 KB)

    The ability of a phase-lock loop using a proportional plus integral control filter to acquire a noisy signal when the local oscillator is being swept was determined empirically by means of a low-frequency, GEESE1 model of such a system. The effects of the damping factor and natural frequency on the frequency acquisition properties of linear loops (as distinguished from a loop in which t... View full abstract»

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  • Message Compression

    Publication Year: 1962, Page(s):228 - 238
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2330 KB)

    Two general classes of operations for the purpose of compressing the output of a message source are considered: (1) Entropy-reducing (ER) transformation, and (2) Information-preserving (IP) transformation (redundancy removal). The type (1) transformation, when acceptable, can yield substantial compression gains in telemetry applications while the type (2) transformation can yield substantial gains... View full abstract»

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  • Experimental Optimization and Evaluation of Telemetry Systems

    Publication Year: 1962, Page(s):239 - 246
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1518 KB)

    A careful laboratory program to experimentally optimize and evaluate four telemetry systems in wide use (FM-FM, PAM-FM, PDM-FM and PCM-FM) has been concluded as part of a general study of problems in the telemetry field. Each of the four systems was implemented in the laboratory and the system under test was modulated by random signal sources typifying actual data. Broad-band random noise was then... View full abstract»

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  • Contributors

    Publication Year: 1962, Page(s):247 - 248
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  • [Front cover]

    Publication Year: 1962, Page(s): c2
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Aims & Scope

This Transactions ceased publication in 1962. The new retitled publication is IEEE Transactions on Aerospace and Electronic Systems.

Full Aims & Scope