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Proceedings of the IEEE

Issue 11 • Nov. 1987

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Displaying Results 1 - 20 of 20
  • [Front cover and table of contents]

    Publication Year: 1987, Page(s): c1
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  • Scanning the issue

    Publication Year: 1987, Page(s):1443 - 1445
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  • Remarks, mostly historical, on signal detection and signal parameter estimation

    Publication Year: 1987, Page(s):1446 - 1457
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1401 KB)

    Historical remarks outlining some of the evolution of the statistical theory of detecting signals in noise and of estimating signal parameters make up the greater part of the paper. The time period covered is roughly from the years of World War II to the middle 1960s. The remarks are rather severely limited in scope; they do not touch on nonparametric statistical methods, or filtering, or predicti... View full abstract»

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  • Spatial analysis in passive listening using adaptive techniques

    Publication Year: 1987, Page(s):1458 - 1471
    Cited by:  Papers (12)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1290 KB)

    The various known methods intended for continuous analysis of uncorrelated source fields (MEM-AR, Capon, Borgiotti-Lagunas, Bienvenu-Schmidt) are shown to be based upon a unique conventional diagram, namely one of a spatial linear multiport filter followed by a variance estimator. This filter has K inputs corresponding to K sensors and a single output, and acts as a scalar product system. A fundam... View full abstract»

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  • Integrated optics approach for advanced semiconductor lasers

    Publication Year: 1987, Page(s):1472 - 1487
    Cited by:  Papers (14)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1681 KB)

    Recent advances in the field of semiconductor integrated optics are reviewed from the point of view of monolithic integration of semiconductor lasers and other optical components and/or devices. Emphasis is placed on dynamic-single-mode (DSM) lasers, such as DFB and DBR lasers, intended for highly stable single-wavelength light sources for such monolithic integration. The realization of high-perfo... View full abstract»

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  • Optoelectronic integrated circuits

    Publication Year: 1987, Page(s):1488 - 1497
    Cited by:  Papers (18)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1056 KB)

    Monolithic integration of photonic devices such as lasers, modulators, and photodetectors, along with their associated electronic circuitry, has recently made significant advances such that high performance is now being achieved in devices using both the GaAs and InP materials systems. The advances in these optoelectronic integrated circuits, or OEICs, are being driven by the needs of second-gener... View full abstract»

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  • Single-mode fiber components

    Publication Year: 1987, Page(s):1498 - 1511
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1448 KB)

    A variety of optical components have been made directly from single-mode fibers. These components can be combined to construct in-line all-fiber systems such as fiber gyroscopes, fiber Raman lasers, local area networks, or coherent lightwave systems. This paper reviews the present state of passive and active single-mode fiber components. Passive components are polarizers, directional couplers, fil... View full abstract»

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  • Telecommunications applications of integrated optics and optoelectronics

    Publication Year: 1987, Page(s):1512 - 1523
    Cited by:  Papers (1)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1325 KB)

    Integrated optics and optoelectronics will play key roles in the evolution of the telecommunications network. We briefly review the available and developing technologies for integrated optical and optoelectronic devices, and summarize their characteristics and their natural areas of application in telecommunications. We then describe the trends and developments in fiber communication systems, serv... View full abstract»

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  • Application of guided-wave optics in signal processing and sensing

    Publication Year: 1987, Page(s):1524 - 1535
    Cited by:  Papers (37)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1230 KB)

    Research in the use of guided-wave optics for signal processing and sensing is reviewed, and advantages and limitations of the technology are discussed. The signal processors employ electrooptic, acoustooptic, and fiber-optic components to perform such functions as spectral analysis of radio-frequency signals, correlation and matched filtering, code and waveform synthesis, signal delay and storage... View full abstract»

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  • Approximation for mean of overflow traffic with discrete time-dependent input

    Publication Year: 1987, Page(s):1536 - 1537
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (155 KB)

    Real-life arrival traffic pattern can be approximated by a sequence of step functions with durations of about a quarter-hour. For this interval, a stationary arrival rate will be assumed, and transience will be present. An approximation to the mean of the traffic overflowing from a loss system when the arrival traffic consists of such a sequence of step functions will be given. View full abstract»

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  • A new approach to recursive Fourier transform

    Publication Year: 1987, Page(s):1537 - 1538
    Cited by:  Papers (15)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (210 KB)

    In the recursive Fourier transform, the data window can be chosen such that the number of computations required to update the transform at each frequency upon reception of a new data sample is independent of the transform block length. View full abstract»

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  • Nonconvex optimization by fast simulated annealing

    Publication Year: 1987, Page(s):1538 - 1540
    Cited by:  Papers (36)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (327 KB)

    Recent advances in the solution of nonconvex optimization problems use simulated annealing techniques that are considerably faster than exhaustive global search techniques. This letter presents a simulated annealing technique, which is t/log (t) times faster than conventional simulated annealing, and applies it to a multisensor location and tracking problem. View full abstract»

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  • A class of bandpass and bandstop butterworth digital filters

    Publication Year: 1987, Page(s):1540 - 1542
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (198 KB)

    This letter introduces a classs of bandpass and bandstop Butterworth digital filters that are simple to implement using existing software for low-pass and high-pass filters. View full abstract»

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  • Directed graph representation for root-signal set of median filters

    Publication Year: 1987, Page(s):1542 - 1544
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (252 KB)

    Median filtering is a simple digital technique for smoothing signals. A root signal is defined as an invariant signal to the median filtering. We describe directed graph representation for the root-signal set of median filters. The directed graph representation allows us to obtain a set of roots and the number of roots in a straightforward manner. View full abstract»

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  • A novel application of four-terminal floating nullors

    Publication Year: 1987, Page(s):1544 - 1546
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (294 KB)

    It is shown that four-terminal floating nullors provide a novel solution to the problem of RC-active synthesis of floating immittances. View full abstract»

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  • Solving the generalized eigenvalue problem with singular forms

    Publication Year: 1987, Page(s):1546 - 1548
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (372 KB)

    Two methods are developed for computing the generalized eigenvalues and eigenvectors associated with the matrix pair {A, B}, where B is a singular Hermitian matrix and A is a matrix, not necessarily Hermitian, the range space of which is a subset of the range space of B. Conventional methods of solution break down for this case. An application is described based on the recently reported ESPRIT alg... View full abstract»

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  • An exponential second-order probability-density function

    Publication Year: 1987, Page(s):1548 - 1549
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (249 KB)

    It is shown that the second-order exponential probability-density function (pdf) given by Barrick [1] fails to meet an essential statistical requirement. By applying a nonlinear transformation to the envelope and the phase of a Gaussian random process, an alternate pdf meeting all the statistical requirements is obtained. Three-dimensional plots are provided. View full abstract»

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  • Analog MOS integrated circuits for signal processing

    Publication Year: 1987, Page(s): 1550
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  • Book alert

    Publication Year: 1987, Page(s):1550 - 1551
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  • [Back cover]

    Publication Year: 1987, Page(s): c4
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H. Joel Trussell
North Carolina State University