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IEEE Transactions on Aerospace and Electronic Systems

Issue 6 • Date Nov. 1977

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Displaying Results 1 - 25 of 26
  • Table of contents

    Publication Year: 1977, Page(s): c1
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  • IEEE Aerospace and Electronic Systems Society

    Publication Year: 1977, Page(s):c2 - [774]a
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  • From the Editors

    Publication Year: 1977, Page(s): 609
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  • Waveform Detection and Classification with SAW Cepstrum Analysis

    Publication Year: 1977, Page(s):610 - 619
    Cited by:  Papers (9)  |  Patents (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (8194 KB)

    A prototype real time cepstrum analyzer incorporating surface acoustic wave (SAW), Fourier transform processors is reported. This system offers sophisticated wideband signal processing for radar, sonar, and communications applications. Practical results demonstrate its capabilities when analyzing bandwidths in excess of 10 MHz in a few microseconds with simulated pulsed RF waveforms in the presenc... View full abstract»

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  • Multiple Gaussian Targets: The Track-on-Jam Problem

    Publication Year: 1977, Page(s):620 - 623
    Cited by:  Papers (32)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (437 KB)

    When a radar with amplitude comparison monopulse arithmetic encounters signals from multiple Gaussian sources it will "point" to the centroid of the incident radiation. The probability density function (pdf) of the monopulse ratio when N independent samples of difference and sum signals are processed in a maximum likelihood receiver is derived. For finite jam-to-noise ratio the estimate has a bias... View full abstract»

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  • The Ratios of Functions of Random Variables

    Publication Year: 1977, Page(s):624 - 630
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1426 KB)

    Given the joint probability density function (pdf), pX(xl, ..., xN), of the random variables x1, xN, a new method is developed for determining the pdf of the ratio f(X)lg(X) where f and g are arbitrary functions. The method is then applied to calculate the pdf of x1 lx2 where x1 and x2 are correlated Gaussians with arbitrary means and variances. View full abstract»

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  • Evaluating Sensor Orientations for Navigation Performance and Failure Detection

    Publication Year: 1977, Page(s):631 - 643
    Cited by:  Papers (19)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3013 KB)

    A study of the constraints imposed by the choice of particular orientations of redundant inertial sensors upon navigation system performance and the detection and identification of sensor failures in fault-tolerant inertial measurement units is presented. Figures of merit are derived for systematically evaluating alternative sensor orientations. The volume of the ellipsoid associated with the cova... View full abstract»

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  • Double Dither Loop for Pseudonoise Code Tracking

    Publication Year: 1977, Page(s):644 - 650
    Cited by:  Papers (6)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1715 KB)

    A new type of phase detector for pseudonoise code tracking is introduced and analyzed in comparison with the delay lock loop (DLL) and tau-dither loop (TDL) configurations. It is shown that the double dither loop (DDL) combines the best features of the DLL and the TDL in that the DDL is insensitive to gain and offset imbalances and does not suffer the 3-dB degradation in noise performance typicall... View full abstract»

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  • The Gyrolite: A New Generation Synchronous Satellite

    Publication Year: 1977, Page(s):651 - 653
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1556 KB)

    A typical GYROLITE spacecraft recently designed by this author is described. It is shown that, for the satellite to have a stable attitude, the spinning part must have a favorable inertia ratio. View full abstract»

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  • Low Frequency Background Rejection Techniques

    Publication Year: 1977, Page(s):654 - 659
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1862 KB)

    First Page of the Article
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  • Power Conditioning Systems for High-Power, Airborne, Pulsed Applications

    Publication Year: 1977, Page(s):660 - 678
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3919 KB)

    The power conditioning portion of the high-power study that was performed for the Air Force Aeropropulsion Laboratory by the State University of New York at Buffalo is summarized. This effort defines the power conditioning system and critical component developments which will be required to interface the airborne 10-MW to 50-MW sources defined under separate study efforts with certain loads. Power... View full abstract»

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  • Navigation Computation in Terrestrial Strapdown Inertial Navigation Systems

    Publication Year: 1977, Page(s):679 - 689
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2773 KB)

    The problem of computing the translational velocity and position relative to earth, which has to be solved by the processor of a strapdown inertial navigation system is discussed. Several approaches are briefly examined with consideration given to the form in which the sensor data are generated and to the computational burden involved in each approach. A computational scheme is finally selected in... View full abstract»

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  • Single Sidelobe Canceller: Theory and Evaluation

    Publication Year: 1977, Page(s):690 - 699
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2392 KB)

    A sidelobe canceller (SLC) can be efficiently employed to reduce the undesirable effects of jammers on a search radar system. In this paper a functional block circuit is described for a single-sidelobe canceller (SSLC) apt to a single Jammer suppression; a detailed analysis is also presented. It is shown that the theory of stochastic differential equations and the covariance analysis describing fu... View full abstract»

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  • Kalman Filter Compensation for a Special Class of Systems

    Publication Year: 1977, Page(s):700 - 706
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2001 KB)

    Filter compensation techniques for several special but practical cases are discussed. A general set of bias and covariance equations for linear filters with modeling errors is first summarized. A method for relating the modeling errors to the selection of the covariance of "process noise" for model error compensation is suggested. A performance ordering for cases when the true system becomes a sub... View full abstract»

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  • A Method for Setting a Test Signal Level Relative to Noise

    Publication Year: 1977, Page(s):707 - 709
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (441 KB)

    A method is described for adjusting the leval of an RF test signal generator relative to the noise level at the receiver output. The method compares a detected output to a threshold and counts the number of times noise and signal plus noise cross the threshold in a given number of tries. By setting the threshold at a given false alarm probability for noise alone and then adding the test signal and... View full abstract»

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  • Estimation of Velocity Moments of Radar Targets

    Publication Year: 1977, Page(s):709 - 711
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (466 KB)

    The Doppler-velocity spectrum of a coherent burst of radar pulses after reflection from the wake of a reentry body is considered. Time-domain estimators of the mean-wake velocity and velocity spread in a particular range cell are given in terms of the echo of a coherent N-pulse burst. These formulas yield values equivalent to common frequency-domain estimators, but, for short bursts (N < 50), are ... View full abstract»

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  • Probability of Detecting a Fluctuating Target Immersed in Both Noise and Clutter

    Publication Year: 1977, Page(s):711 - 716
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (740 KB)

    The probability of detecting either a Swerling 1 or Swerling 2 target immersed in both Rayleigh-distributed noise and log-normally distributed clutter is calculated. Results are presented which demonstrate the effect of noise-to-clutter ratio, signal-to-noise ratio, and number of pulses integrated on the detection statistics. View full abstract»

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  • Book Review

    Publication Year: 1977, Page(s):717 - 718
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  • The 1977 International Congress on Instrumentation in Aerospace Simulation Facilities

    Publication Year: 1977, Page(s):719 - 721
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  • EASCON 1977

    Publication Year: 1977, Page(s):722 - 732
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  • Author index

    Publication Year: 1977, Page(s):733 - 746
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  • Subject index

    Publication Year: 1977, Page(s):746 - 770
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  • An invitation to Membership

    Publication Year: 1977
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  • IEEE Conference Publications of Interest

    Publication Year: 1977, Page(s): 772
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  • A Comprehensive Program for Administration of the Radio Spectrum

    Publication Year: 1977, Page(s): 773
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Aims & Scope

IEEE Transactions on Aerospace and Electronic Systems focuses on the organization, design, development, integration, and operation of complex systems for space, air, ocean, or ground environment.  These systems include, but are not limited to, navigation, avionics, spacecraft, aerospace power, radar, sonar, telemetry, defense, transportation, automated testing, and command and control. 

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Lance Kaplan
Army Research Laboratory