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IEEE Transactions on Vehicular Communications

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  • 1. Improved wide-band VHF whip antenna

    Publication Year: 1966, Page(s):25 - 32
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1119 KB)

    The design principles, construction, and performance of a ten-foot whip antenna for use with radio communication sets covering the frequency range from 30 to 76 MHz are described. The antenna is insensitive to changes in environment, with respect to electrical performance. It has uniform azimuthal distribution of radiation, optimum gain at the horizon, and is suited as an element of antenna arrays... View full abstract»

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  • 2. Preliminary investigation of mobile radio signal fading using directional antennas on the mobile unit

    Publication Year: 1966, Page(s):8 - 15
    Cited by:  Papers (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (434 KB)

    Signal fading at 836 Mc on a mobile radio transmission path using directional antennas on the mobile unit was investigated and compared with that from an omnidirectional antenna. A marked reduction in fading rate was observed with the directional antenna. Increasing the directivity decreased the fading rate. The average propagation loss was also measured for the various antennas over the two-mile ... View full abstract»

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  • 3. Gain antennas for mobile application

    Publication Year: 1965, Page(s):141 - 148
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1424 KB)

    Discussion covers the development and testing of a reference antenna to provide meaningful gain figures for measuring mobile antennas in the 150 and 450 mc bands. Gain data and patterns are shown for various designs of mobile antennas from comprehensive testing. Relations are established between a one-quarter wavelength whip and a one-half wavelength dipole. General and specific conclusions are st... View full abstract»

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  • 4. Ferrites for VHF frequencies

    Publication Year: 1965, Page(s):117 - 121
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (312 KB)

    This paper and the one following describe the application of ferrite circulators at VHF frequencies. A brief description of the non-reciprocal properties of ferrites is given along with a summary of the theoretical operation of a junction circulator. Several applications are briefly described in this paper in addition to the detailed description of a multiplexer in R. Klein's paper. A detailed bib... View full abstract»

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  • 5. Squelch systems—New designs for high performance

    Publication Year: 1965, Page(s):126 - 133
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1896 KB)

    This paper describes a new approach to a noise operated squelch utilizing a desensitizing loop to sustain operation over short fades. This feature also provides a sharp demarkation between the operate and non-operate condition and minimizes "squelch tail". Another factor contributing to high performance is the use of an audio frequency desensitization input which prevents audio talk down during co... View full abstract»

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  • 6. Large-signal varactor harmonic generator equivalent circuits

    Publication Year: 1963, Page(s):108 - 124
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1491 KB)

    This paper presents a development of equivalent circuits for large-signal varactor harmonic generators, doublers through sextuplers inclusive, employing abrupt-junction varactor diodes. Using the results of the development a 2m (m = 1,2,3, ….) multiplier equivalent circuit is obtained. The equivalent circuits that are developed take into account the circuit and varactor lo... View full abstract»

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  • 7. A new series of commercial base station antennas

    Publication Year: 1964, Page(s):24 - 27
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (619 KB)

    The design and performance of a series of three base station antennas employing the radiator-suppressor concept are presented. Two are for the 450–470 MC band, one having 7 db gain and the other 10 db gain. The third is a 6 db gain unit for 150–162 MC. The two medium gain units consist of end fed arrays, while the high gain unit is center fed. View full abstract»

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  • 8. On a foreshortened center-fed whip antenna

    Publication Year: 1966, Page(s):33 - 40
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1326 KB)

    An experimental investigation was conducted to determine whether the degradation in electrical performance commonly observed with reduced-height helical-wound vertical dipoles can be avoided. A new design approach has been explored which helped define a major cause of this degradation. Data obtained during this investigation supports a working hypothesis that losses associated with circulating cur... View full abstract»

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  • 9. Trace tone signaling a tool for better systems operation

    Publication Year: 1963, Page(s):45 - 47
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (661 KB)

    Tone signaling, as authorized today by the F.C.C., allows use of a system of tones transmitted over radio to send and/or receive information from one point to another. View full abstract»

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  • 10. Waveguide communication system for centralized railway traffic control

    Publication Year: 1964, Page(s):1 - 18
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (9578 KB)

    A new microwave communication system for centralized train traffic control, utilizing TE01 mode propagating circular waveguide as a transmission line is discussed. A new microwave communication system for The system was developed for control of 100 ultra-high-speed trains on a railroad 500 km in length. The aluminum waveguide of 132-mm ID, with measured attenuation of 2.0 db/km on 7500-... View full abstract»

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  • 11. IEEE Standard No. 263: Measurement of radio noise, generated by motor vehicles, and affecting mobile communications receivers in the frequency range 25 to 1000 Mc/S

    Publication Year: 1966, Page(s):66 - 72
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (320 KB)

    The purpose of this Standard is to provide a uniform method of measurement of radio noise generated by a motor vehicle, which may affect the performance of mobile communications receivers in the vehicle. View full abstract»

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  • 12. Design of high isolation duplexers and a new antenna for duplex systems

    Publication Year: 1965, Page(s):134 - 140
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (768 KB)

    A Duplexer design technique will be described which uses nominal size cavities and a single additional lump circuit element per cavity to produce transmitter to receiver isolations far greater than that produced by the cavities themselves. The lumped circuit element produces a notch in the cavity response curve which may be moved along the curve. The original design work on these duplexers was con... View full abstract»

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  • 13. Synchronous vs. envelope detectors for use with forward acting AGC

    Publication Year: 1965, Page(s):1 - 6
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (376 KB)

    It has been shown that Forward Acting Automatic Gain Control (FAAGC) is able to suppress the intermodulation (IM) products caused by rapid fading, particularly in the case of single sideband (SSB) transmission at UHF. Envelope detectors were used for simplicity, but since typical existing SSB systems use synchronous (or homodyne) detectors and a regenerated carrier, comparative analyses and tests ... View full abstract»

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Aims & Scope

This Transactions ceased production in 1966. The current retitled publication is IEEE Transactions on Vehicular Technology.

Full Aims & Scope