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Broadcasting, IEEE Transactions on

Issue 3 • Date Sept. 1992

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Displaying Results 1 - 8 of 8
  • PARAN antenna for use where horizontal and vertical space is limited

    Publication Year: 1992 , Page(s): 163 - 166
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (310 KB)  

    A PARAN (perimeter current antenna) antenna which was constructed, tested, and licensed at radio station KAPS in Mount Vernon, Washington, USA, is described. A PARAN antenna is intended for the broadcaster whose site is severely limited in height and ground area. Both current distribution versus height measurements and full field proof-of-performance measurements were made to prove the antenna's e... View full abstract»

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  • An improved HF field strength prediction method

    Publication Year: 1992 , Page(s): 167 - 171
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (278 KB)  

    A multi-correlation process for reducing the RMS error between the field strength values predicted by the use of the method laid down in Report 894.2 (1991) and the values of Databank.D1 is described. Three functions are used. The first function has 1080 coefficients describing 10 distance ranges, 4 solar activity ranges, and 27 frequency to MUF ratio ranges. The second function covers 10 distance... View full abstract»

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  • Modeling and simulation of FM detection by zero-crossing in the presence of noise and FH interference

    Publication Year: 1992 , Page(s): 192 - 196
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (360 KB)  

    A signal model for a frequency-hop (FH) spread spectrum system and an FM system is presented, and the demodulation of an FM signal in the presence of interfering FH and noise is described. The FM receiver presented uses a zero-crossing scheme for demodulation. To demonstrate the zero-crossing technique, two algorithms are developed and examined. The results show that for many applications, FM syst... View full abstract»

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  • Extending HDTV coverage using low power repeaters-a cellular approach

    Publication Year: 1992 , Page(s): 145 - 150
    Cited by:  Papers (5)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (336 KB)  

    An HDTV broadcasting system that uses low-power repeaters arranged in a cellular fashion to extend the service area of a primary advanced TV (ATV) system is described. Examples of ATV extended coverage contours based on DigiCipher high-definition TV (HDTV) measured performance parameters and Federal Communications Commission (FCC) propagation tables are presented View full abstract»

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  • Extended definition TV over an analog FM satellite channel

    Publication Year: 1992 , Page(s): 151 - 162
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (636 KB)  

    The performance of several extended definition TV (EDTV) formats are compared in terms of signal-to-noise ratio (SNR) operation in an analog FM satellite channel. The formats considered are the National Television System Committee (NTSC), extended NTSC (ENTSC), multiplexed analog components (MAC), and extend MAC (EMAC). These formats are compared in terms of SNR above and below the FM threshold. A... View full abstract»

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  • A 7-GHz-band subminiature FPU transmitter

    Publication Year: 1992 , Page(s): 187 - 191
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (396 KB)  

    A compact, low-cost, light-weight field pick-up (FPU) transmitter developed for emergency news gathering is described. It consists of a 7 GHz band FET direct frequency modulator and a flat-panel antenna. The modulator uses a FET, a dielectric resonator, and two varactors. The use of two varactors magnetically coupled with the dielectric resonator results in good modulation linearity and, therefore... View full abstract»

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  • A method for intermodulation noise calculations in a cable television network with HD-MAC, PAL and FM radio signals

    Publication Year: 1992 , Page(s): 177 - 186
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (580 KB)  

    A statistical method for calculating intermodulation noise in CATV systems whose traffic can be characterized as a sum of a large number of independent signals is presented. The method is demonstrated by calculating the signal-to-intermodulation-noise ratio in the various channels of a prototype cable network supporting HD-MAC, PAL, and FM radio signals. The spectra of these individual signals are... View full abstract»

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  • A new type of status data supervising instrument for high power medium wave AM radio transmitter

    Publication Year: 1992 , Page(s): 172 - 176
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (272 KB)  

    A supervising instrument designed to measure the operating states of a high-power, medium-wave AM radio transmitter and its peripheral devices is described. The instrument can be used to measure the load impedance, output power, and efficiency of the final stage amplifier of the medium wave AM radio transmitter and can be used as a data logging and data analyzing instrument when the GP-1 B digital... View full abstract»

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Aims & Scope

IEEE Transactions on Broadcasting covers the field of broadcast technology, including the production, distribution, transmission, and propagation aspects of broadcasting.

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Editor-in-Chief
Yiyan Wu
Communications Research Ctr Canada