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IRE Transactions on Communications Systems

Issue 3 • Date September 1962

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Displaying Results 1 - 15 of 15
  • [Front cover and table of contents]

    Publication Year: 1962, Page(s): 0
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  • Satellite and Space Communications

    Publication Year: 1962, Page(s): 225
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (144 KB)

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  • The Theory of FM Demodulation with Frequency-Compressive Feedback

    Publication Year: 1962, Page(s):226 - 245
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2307 KB)

    The application of frequency-compressive feedback around an amplitude-insensitive FM demodulator promises important reductions of distortion and noise sensitivity in the demodulation of wide-band FM signals. In this paper, the basic theory of FM demodulation with frequency-compressive feedback (FCF) is presented after a brief discussion of the concept of noise threshold and of the usefulness of th... View full abstract»

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  • Circle Diagram Applied to Monopulse

    Publication Year: 1962, Page(s):246 - 257
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    Quite a lot of reports on monopulse systems have been published in recent days. The analysis has mostly been confirmed to pure amplitude sensing or pure phase sensing. If amplitude and phase are allowed to vary simultaneously the general formulas will be rather lengthy. The situation is suggestive of transmission line calculus where the usefulness of the Smith chart is well known. In a slightly mo... View full abstract»

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  • The Square-Law Single-Sideband System

    Publication Year: 1962, Page(s):257 - 267
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1207 KB)

    A new method of generation of a single-sideband signal has been developed which provides distortionless reception with a square-law envelope detector. This performance is achieved through a new system design rather than a less subtle method, such as carrier reinsertion. It is well known that a single-sideband signal can be represented as a combination of amplitude and phase-modulated signals. Most... View full abstract»

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  • Dependency of Crosstalk on Upper and Lower Cutoff Frequencies in PAM Time-Multiplexed Transmission Paths

    Publication Year: 1962, Page(s):268 - 276
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (753 KB)

    In PAM time-multiplexed transmission systems, interchsnnel crosstalk arises when each sample is not confined to its assigned time slot. Even though perfect circuits are used to gather ideally-time-separated samples, subsequent transmission through a common medium of limited bandwidth causes each sample pulse to tail off into neighboring time slots, rather than be confined to its own time slot. Not... View full abstract»

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  • Analysis of Correlator Signal-to-Noise Characteristics

    Publication Year: 1962, Page(s):276 - 279
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    This paper presents a detailed analysis of the output signal-to-noise ratio for a correlator consisting of a multiplier followed by an RC averager. Both the signal and the noise are assumed to be band-limited functions with Gaussian amplitude distribution; but no restrictions are imposed on either the input SNR or the product of the bandwidth and the time cons... View full abstract»

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  • A Class of Error-Detecting Codes with Absent Parity Bits

    Publication Year: 1962, Page(s):280 - 284
    Cited by:  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (496 KB)

    All possible data symbols are divided into two categories, designated A and B . Transmitted data is subject to the constraint that all information appears in fixed locations within any message. In addition, the message is divided into segments, with each segment containing symbols of only one category. In all messages each ... View full abstract»

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  • Simple Decoders and Correlators for Cyclic Error-Correcting Codes

    Publication Year: 1962, Page(s):284 - 290
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (690 KB)

    Several promising techniques for instrumenting error-correcting codes are briefly described. These techniques consist of digital decoders for the binary symmetric channel and for the binary erasure channel, and analog word correlators for variable and low bit-rate operation. The performance pay-off of these techniques in comparison to their implementation simplicity indicates the possibility of in... View full abstract»

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  • An Analysis of Cascaded Binary Communication Links

    Publication Year: 1962, Page(s):291 - 299
    Cited by:  Papers (10)
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    The performance of cascaded binary communication links in the presence of additive white Gaussian noise is investigated for the cases of constant and Rayleigh-distributed signal levels. An exact expression is derived for over-all error probability for any number of links with constant signal levels. The reliability of five modulation techniques is examined when independent or dependent Rayleigh fa... View full abstract»

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  • On Switching Problems Requiring Queuing Theory in Computer-Based Systems

    Publication Year: 1962, Page(s):299 - 303
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (407 KB)

    Consider N terminal sets connected to a "black box" by N lines, one from each set. This box has K \leq N output lines. This box connects one of the input lines to one of the output lines when so requested and breaks that connection when the terminal has finished transmission. The outpu... View full abstract»

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  • Microwave System Engineering Using Large Passive Reflectors

    Publication Year: 1962, Page(s):304 - 311
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1154 KB)

    This paper will provide the microwave engineer with the basic techniques of microwave system engineering using large passive reflectors and will outline the many advantages of their use. Small passive reflectors of the "periscope type" have been used for many years on microwave systems. Large passive reflectors have also been used but to a much lesser degree. Large passives may be used at intermed... View full abstract»

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  • An Analog Multiplier Using Two Field Effect Transistors

    Publication Year: 1962, Page(s):311 - 317
    Cited by:  Papers (4)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (569 KB)

    A four-quadrant analog multiplier is described which uses the variable channel conductance properties of the field effect transistor. This multiplier is characterized by moderate accuracy, high speed and circuit simplicity. As such, it may be useful in many applications where speed is important but a high degree of accuracy is not. Such an application is found in synchronous detection circuits des... View full abstract»

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  • Discussion on "Information Bandwidth of Tropospheric Scatter Systems"

    Publication Year: 1962, Page(s): 317
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  • [Back cover]

    Publication Year: 1962, Page(s): 0
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    Freely Available from IEEE

Aims & Scope

This Transactions ceased publication in 1962. The current retitled publication is  IEEE Transactions on Communications.

Full Aims & Scope