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Communications, Radar and Signal Processing, IEE Proceedings F

Issue 3 • Date June 1982

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Displaying Results 1 - 15 of 15
  • Introduction to electronic warfare

    Publication Year: 1982, Page(s):113 - 132
    Cited by:  Papers (3)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (3554 KB)

    The paper discusses the overall concept of electronic warfare (EW) and defines its three main subsets: electronic support measures (ESM), electronic countermeasures (ECM) and electronic counter-countermeasures (ECCM). The requirements for ESM receivers are reviewed in the context of two specific scenarios: that of intelligence gathering for communications and radar. The different current ESM recei... View full abstract»

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  • Broadband crystal video front end for radar warning receivers

    Publication Year: 1982, Page(s):133 - 137
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (661 KB)

    The paper describes a broadband crystal video receiver, optimised for use in radar warning receivers with a direction-finding capability. The system design and the technologies adopted have been chosen to obtain a small, light and reliable line-replaceable unit that requires no particular adjustment to interface with other circuits. The receiver features a frequency-band-sorting capability to impr... View full abstract»

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  • Multiplexers and their integration with crystal video receivers

    Publication Year: 1982, Page(s):138 - 142
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (754 KB)

    Broadband, highly selective, low-loss contiguous multiplexers have been developed in the form of suspended-substrate-stripline (SSS) devices. These multiplexers can have channel bandwidths covering at least an octave (up to a decade for the lowest-frequency channel) with a passband insertion loss less than 1 dB and stopband attenuations greater than 60 dB within only 5% of the crossover frequencie... View full abstract»

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  • Direct video detection with wideband amplification

    Publication Year: 1982, Page(s):143 - 153
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (996 KB)

    A theoretical approach has been developed that allows an insight into the operational performance of crystal video ESM systems and agrees with some experimental observations. Probability-density functions for the outputs of wide-bandwidth-ratio microwave receivers that incorporate square-law detectors have been determined. The utilisation of the above functions in the solution of problems, both in... View full abstract»

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  • Design techniques and performance of digital IFM

    Publication Year: 1982, Page(s):154 - 163
    Cited by:  Papers (7)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1542 KB)

    The digital instantaneous-frequency-measuring receiver using delay-line discriminators was developed in the early 1960s specifically as a wideband and accurate analyser of pulsed radar signals. Various receiver configurations are incorporated in most of the more comprehensive EW systems currently in use. In the paper, the basic operating principles and design philosophy are reviewed, together with... View full abstract»

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  • Automatic processing for ESM

    Publication Year: 1982, Page(s):164 - 171
    Cited by:  Papers (6)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1677 KB)

    In the past, radar ESM systems have relied on operator interpretation of measured parameters to provide classification and identification of emitters. However, for rapid response in the dense electromagnetic environments encountered in modern warfare, automatic processing and decision-making techniques are required. In order to identify individual emitters, their pulse trains must be deinterleaved... View full abstract»

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  • Channelised receiver. A viable solution for EW and ESM systems

    Publication Year: 1982, Page(s):172 - 179
    Cited by:  Papers (3)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1251 KB)

    The requirements of EW and ESM receivers continue to become more and more demanding. The channelised receiver is one receiver type that can often meet, or exceed, these demanding requirements. The paper presents discussion suggesting that he recent success of the channelised receiver is largely due to technology advances in areas such as surface-acoustic-wave filters, microprocessors and microwave... View full abstract»

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  • SAW compressive receivers for radar intercept

    Publication Year: 1982, Page(s):180 - 186
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1047 KB)

    The choice of transform parameters for SAW radar intercept is dictated by the limitations of available digital output stages and by the nature of the input signal, rather than by limitations imposed by the surface-acoustic-wave components. The choice of parameters needed to design a radar-intercept compressive receiver for use in a pulsed-signal environment is discussed, as is the resulting `trade... View full abstract»

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  • Integrated optic spectrum analyser

    Publication Year: 1982, Page(s):187 - 193
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1202 KB)

    The integrated optic spectrum analyser (IOSA) utilises the Bragg refraction of an optical guided beam by a surface-acoustic wave to perform spectral analysis. The recent development of this device has been carried out by several groups in the USA. These researchers, while working towards similar performance goals, have each achieved varying degrees of success using differing technological implemen... View full abstract»

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  • Integrated naval EW systems

    Publication Year: 1982, Page(s):194 - 196
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (405 KB)

    A review of the role of electronic-warfare sensors in a modern naval environment is made. Certain operational requirements for the detection, identification and response to a threat are identified. From this, a functional solution for an integrated electronic-warfare system is presented. View full abstract»

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  • Chaff

    Publication Year: 1982, Page(s):197 - 201
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (714 KB)

    The paper reviews the development of chaff as an electronic-countermeasures (ECM) technique and describes the basic principles of chaff as reflectors of radar waves. The various common types of chaff are described, including their main physical and aerodynamic characteristics. Some illustration of the use of chaff is given in naval and airforce applications. View full abstract»

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  • Effectiveness of a ground jammer

    Publication Year: 1982, Page(s):202 - 207
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (810 KB)

    The effectiveness of a noise jammer can be expressed in terms of the radar range where aircraft detection occurs. A simple equation is developed for computing the screening range of a search radar against which a noise jammer operates. Fundamental information about the victim radar is needed. All the radar parameters required for the computation of the screening range can be measured in the field.... View full abstract»

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  • Microwave frequency dividers: devices and applications

    Publication Year: 1982, Page(s):208 - 212
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (720 KB)

    Microwave frequency dividers are fundamental new devices which employ subharmonic generation to provide accurate frequency division by two over microwave octave bands. Unlike mixer-type down con-vertors, these devices require no local oscillator. Furthermore, each successive stage halves the bandwidth, permitting a wideband input to be mapped into a narrowband output where analogue or digital proc... View full abstract»

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  • Jaguar-V frequency-hopping radio system

    Publication Year: 1982, Page(s):213 - 222
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1363 KB)

    The electronic threat to VHF tactical communications systems is reviewed, and possible counter-measures are discussed. The principles of the Jaguar-V frequency-hopping system are described, together with some aspects of the radio-system design and technical features of its implementation. Operational aspects of system performance are also discussed. View full abstract»

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  • Adaptive arrays for communications

    Publication Year: 1982, Page(s):223 - 232
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1593 KB)

    The basic principles of adaptive arrays are outlined, emphasising the requirements of such arrays for communications, as distinct from radar. These arrays are designed so that they automatically adapt their responses to give low gain to unwanted signals, while maintaining adequate gain to a wanted signal. The basic approaches to achieving this aim are described, with some comment on the relative m... View full abstract»

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Aims & Scope

The latest version of this title is Radar, Sonar & Navigation, IET.

Full Aims & Scope