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IEEE Transactions on Aerospace and Electronic Systems

Issue 1 • Date Jan. 1980

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Displaying Results 1 - 21 of 21
  • Table of contents

    Publication Year: 1980, Page(s): c1
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  • IEEE Aerospace and Electronic Systems Society

    Publication Year: 1980, Page(s):c2 - 127-b
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  • From the Editors

    Publication Year: 1980, Page(s): 1
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  • Target-Motion-Induced Radar Imaging

    Publication Year: 1980, Page(s):2 - 14
    Cited by:  Papers (352)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6087 KB)

    Imaging from ground-based (stationary) radars of moving targets is often possible by utilizing a "synthetic aperture" developed from the target motion itself. The theory and experimental results associated with such processing are addressed. An aircraft is imaged from both a straight flight and a turn with recognizable results. Analysis shows that two-phase components exist in the radar return, on... View full abstract»

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  • Multifrequency Imaging of Radar Turntable Data

    Publication Year: 1980, Page(s):15 - 22
    Cited by:  Papers (40)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3568 KB)

    In recent years synthetic-aperture radars (SAR) have proven to be very useful two-dimensional imaging tools in various fields. Based on the synthetic-aperture concepts, different imaging modes are possibe with various operating characteristics. We describe a special case where circular-projection radar data are coherently processed to yield both azimuth and range resoultion. Experiments are perfor... View full abstract»

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  • Range-Doppler Imaging of Rotating Objects

    Publication Year: 1980, Page(s):23 - 52
    Cited by:  Papers (380)  |  Patents (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (7842 KB)

    During the integration time required to obtain fine Dopplerfrequency resolution in a range-Doppler imaging radar, a point on a rotating object may move through several range and Doppler resolution cells and produce a smeared image. This motion can be compensated by storing the appropriately processed return pulse, and the angular coordinates are determined by the angular coordinates of the radar a... View full abstract»

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  • Accurate INS Transfer Alignment Using a Monitor Gyro and External Navigation Measurements

    Publication Year: 1980, Page(s):53 - 65
    Cited by:  Papers (10)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2585 KB)

    A particular alignment mechanization for a nonmaneuvering vehicle is described which uses a monitor gyro to estimate the slave inertial navigation system (INS) equivalent east gyro drift rate and thus improves azimuth alignment. A state-space model of the dynamic system with measurements is developed. Results of covariance simulations employing Kalman filter estimation are presented for two master... View full abstract»

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  • AN/APS-116 Periscope-Detecting Radar

    Publication Year: 1980, Page(s):66 - 73
    Cited by:  Papers (6)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2383 KB)

    The AN/APS-116 Radar System was developed by the U.S. Navy for ocean surveillance and antisubmarine warfare patrol. The basic system requirement is to reliably detect small periscope-sized targets against strong interfering signals form sea clutter backscatter. The radar system design approach utilized very fine range resolution and a rapid scan antenna. A signal processing scheme was implemented ... View full abstract»

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  • Dual-Spin Spacecraft Nutation Control Using Articulated Payloads

    Publication Year: 1980, Page(s):74 - 83
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2683 KB)

    A technique is presented for achieving active control of nutation on a dual-spin spacecraft with an articulated payload through use of the payload's control system. Using the Orbiting Solar Observatory (OSO)-8 as an illustration, the closed-form solution to the nutation/control system dynamic interaction is presented. Control system design criteria are developed which establish the basic stability... View full abstract»

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  • An Adaptive-Control Switching Buck Regulator-Implementation, Analysis, and Design

    Publication Year: 1980, Page(s):84 - 99
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3999 KB)

    Describing-function techniques and averaging methods have been employed to characterize a multiloop switching buck regulator by three functionsl blocks: power stage, analog signal processor, and pulse modulator. The model is employed. to explore possible forms of pole-zero cancellation and the adaptive nature of the control to filter parameter changes. Analysis-based design guide lines are provide... View full abstract»

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  • IEEE copyright form

    Publication Year: 1980, Page(s):100 - 127-a
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  • High Resolution in Azimuth for Radar Targets Moving on a Straight Line

    Publication Year: 1980, Page(s):101 - 104
    Cited by:  Papers (3)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (688 KB)

    Target classification is sometimes desired together with airspace surveillance. To some extent this is possible by observing the flight track resulting from typical radar plots. A possibility for measuring the lateral variation of the radar cross section for single targets is described in the following. This method assumes a straight unaccelerated flight path, at least for a few seconds, with tang... View full abstract»

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  • Walker Model for Radar Sensing of Rigid Target Fields

    Publication Year: 1980, Page(s):104 - 107
    Cited by:  Papers (13)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (790 KB)

    The objective of this primarily tutorial item is to describe a general model for the observable data and the appropriate data processing involved in sensing rigid target fields with coherent radars. Any number of radars may be involved, and the scene and each radar may be in any kind of motion-with no restrictions on motion through resolution cells during the coherent processing time of the radars... View full abstract»

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  • Adaptive Resource Allocation in a Spatial Spectral Processor

    Publication Year: 1980, Page(s):107 - 112
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1220 KB)

    A method for achieving an optimal allocation of fixed computational resources in a spatial/spectral filtering system is developed. Specifically, clock cycles per unit time for a given processor are to be optimally allocated. The system is a cascade of three subsystems: an adaptive beamformer, a bandpass filter, and a spectral whitener. Each subsystem has adjustable parameters which are related to ... View full abstract»

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  • Minimum Peak Range Sidelobe Filters for Binary Phase-Coded Waveforms

    Publication Year: 1980, Page(s):112 - 115
    Cited by:  Papers (60)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (731 KB)

    Linear programming techniques are utilized to determine the optimal filter weights for minimizing the peak range sidelobes of a binary phase-coded waveform. The resulting filter is compared with the filter obtained by use of the least square approximation to the ideal inverse filter. For a test case using the 13-element Barker code the linear programming filter is found to have peak sidelobes as m... View full abstract»

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  • Detectability Loss Due to "Greatest Of" Selection in a Cell-Averaging CFAR

    Publication Year: 1980, Page(s):115 - 118
    Cited by:  Papers (77)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (659 KB)

    Curves are presented showing the additional constant false-alarm rate (CFAR) loss which results when a "greatest of" logic is imple mented between the leading and lagging sets of reference cells. Thee analytical results for a square law detector and a Swerling case 1 fluctuating target are supplemented by simulation results for a nonfluctuating target, and envelope and logarithmic detector laws. View full abstract»

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  • Quasi-Impulse Generator for Chirp Radar

    Publication Year: 1980, Page(s):118 - 123
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1237 KB)

    A technique for generation of a large spectral bandwidth wave form is described which, when utilized as a dispersive delay line excitation signal, provides an efficient means for generation of large-percentage-bandwidth linear FM radar transmit pulses. View full abstract»

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  • Application of Maximum Likelihood Estimation of Persymmetric Covariance Matrices to Adaptive Processing

    Publication Year: 1980, Page(s):124 - 127
    Cited by:  Papers (75)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (728 KB)

    The optimum weights for an adaptive processor are determined by solving a particular matrix equation. When, as is usually true in practice, the covariance matrix is unknown, a matrix estimator is required. Estimating the matrix can be computationally burden some. Methods of decreasing the computational burden by exploiting persymmetric symmetries are discussed. It is shown that the number of indep... View full abstract»

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  • Comments on "Miniskirt for Dancing Spinner"

    Publication Year: 1980, Page(s): 127
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  • Corrections to "Synthetic Aperture Radar Map Matching for Navigation"

    Publication Year: 1980, Page(s): 127
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  • Technical Operations

    Publication Year: 1980, Page(s): 127-c
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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. 

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Meet Our Editors

Editor-in-Chief
Lance Kaplan
Army Research Laboratory