IEEE Transactions on Military Electronics

Issue 3 • July 1965

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  • [Front cover]

    Publication Year: 1965, Page(s): c1
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  • IEEE Military Electronics Group

    Publication Year: 1965, Page(s): c2
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  • Table of contents

    Publication Year: 1965, Page(s): nil1
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  • Editorial

    Publication Year: 1965, Page(s): 188
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  • Delay Line Secondaries in Phase-Modulated Sweep Integrators

    Publication Year: 1965, Page(s):189 - 196
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1387 KB)

    A video sweep integrator is a device for adding successive radar returns of transmitted pulses. One type of sweep integrator uses an ultrasonic delay line for storage, requiring that the delay line transmission be in the form of a modulated carrier. Addition is obtained by means of a closed regenerative loop that operates for a finite time to provide uniformly weighted addition or operates continu... View full abstract»

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  • Optimum and Suboptimum Detection of Directional Gaussian Signals in an Isotropic Gaussian Noise Field Part I: Likelihood Ratio and Power Detectors

    Publication Year: 1965, Page(s):197 - 208
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2442 KB)

    The detection of underwater signals is frequently accomplished by highly directional hydrophone arrays. This paper reviews some of the well-known optimum techniques that are used in processing signals of this type, and compares them to simpler suboptimum methods. It appears that the main effect of optimum detectors is to eliminate the low frequencies where there is substantial correlation between ... View full abstract»

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  • Part II: Degradation of Detectability Due to Clipping

    Publication Year: 1965, Page(s):208 - 211
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (733 KB)

    The output signals from the hydrophones in a directional sonar array are frequently clipped before being processed further. The effect of this is analyzed in this paper by comparing the figures of merit of likelihood-ratio detectors operating on clipped and unclipped data. It is found that if the number of hydrophones is large, the figure of merit is reduced by a factor of about 2/π from t... View full abstract»

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  • Optimum Signal Design and Processing for Reverberation-Limited Environments

    Publication Year: 1965, Page(s):212 - 229
    Cited by:  Papers (54)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2664 KB)

    In this paper we discuss the problem of designing optimum signals and receivers for an active sonar system operating in an environment in which the principal cause of interference is reverberation. We have considered only the problem of target detection (as opposed to the problem of range or Doppler estimation). View full abstract»

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  • Spatial Ambiguity and Resolution for Array Antenna Systems

    Publication Year: 1965, Page(s):229 - 237
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1684 KB)

    The signal ambiguity function is derived and analyzed for radar (sonar) systems employing array antennas. It is shown that angle resolution is essentially independent of range-Doppler resolution in the main antenna beam and that the antenna directivity function can have a strong effect on waveform design. It is also shown that angle ambiguity is appreciably influenced by signal bandwidth; in parti... View full abstract»

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  • Statistical Description of Nonlinear Signal Processing in Array Antenna Systems

    Publication Year: 1965, Page(s):237 - 246
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3082 KB)

    A statistical analysis is made of a superlimited phased array when a sinusoid and Gaussian noise are independently introduced into the element-channel antenna elements. A mathematical expression is derived for the probability-density function of the beam-channel envelope in tenns of element-channel signal-to-noise power ratio and angular position of target from main beam. This density function is ... View full abstract»

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  • Automatic Correction of Timing Errors in Magnetic Tape Recorders

    Publication Year: 1965, Page(s):246 - 254
    Cited by:  Papers (10)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6128 KB)

    A basic problem in magnetic recording is the preservation of accurate time relationships between reproduced bits of information. If information is recorded at a given rate, the reproduced signal rate will tend to deviate from this rate. Servo systems for controlling the mechanisms of the machine can maintain the reproduced signal rate equal to the recorded signal rate, averaged over a period of a ... View full abstract»

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  • Radar System Performance Charts

    Publication Year: 1965, Page(s):255 - 263
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2287 KB)

    The fundamental limits to radar performance in search and tracking can be expressed on three charts, in terms of products involving transmitted power, antenna gain, and effective aperture area. Locations of past and present radar systems on these charts disclose evolutionary trends in system design and indicate regions of practical and economic balance between transmitter and antenna complexity, i... View full abstract»

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  • An Optimum Design of Ambiguity Function, Antenna Pattern, and Signal for Side-Looking Radars

    Publication Year: 1965, Page(s):264 - 278
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3885 KB)

    The design of antenna pattern and transmitted signal for a coherent-side-looking (range-azimuth) synthetic antenna radar is studied. The general design criterion is to minimize all spurious responses in the ambiguity function under the restraints of finite antenna aperture and signal bandwidth. The problem is completely solved for any set of consistent constraints. The interplay between aperture s... View full abstract»

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  • A Two-Step Sequential Procedure for Improving the Cumulative Probability of Detection in Radars

    Publication Year: 1965, Page(s):278 - 287
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6220 KB)

    Sequential detection procedures, which may be used with phased-array radars, can provide a significant improvement in search capability as compared to uniform scanning. This paper discusses the improvement in cumulative detection probability (the probability that an approaching target is detected before it reaches a given range) which can be obtained with the two-step sequential test, first descri... View full abstract»

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  • Activated Delay-Line Receiving Arrays

    Publication Year: 1965, Page(s):287 - 293
    Cited by:  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1265 KB)

    A discussion of the theory and applications of activated delay lines is presented. The term "activated delay line" is derived from the fact that the equivalent circuit of a ceramic electroacoustic receiving transducer is a capacitor in series with a voltage generator and for this reason may be inserted directly into an LC delay-line receiving array matrix. Equations are derived which give array ga... View full abstract»

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  • Monopulse Radar Tracking Techniques

    Publication Year: 1965, Page(s):293 - 294
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  • Ground Clutter Calculation for Airborne Doppler Radars

    Publication Year: 1965, Page(s):294 - 297
    Cited by:  Papers (1)
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  • The Effect of Phase Errors on Weighted Spectra

    Publication Year: 1965, Page(s):298 - 299
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  • An Alternate Derivation on Phase Errors

    Publication Year: 1965, Page(s): 299
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  • Contributors

    Publication Year: 1965, Page(s):300 - 302
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  • Call for Papers 1966 Aerospace Conference

    Publication Year: 1965, Page(s): 303
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  • Index to IEEE Transactions on Military Electronics Volume MIL-9, 1965

    Publication Year: 1965, Page(s):1 - 4
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  • Radio Spectrum Utilizationtilization

    Publication Year: 1965, Page(s): 4-a
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  • Information for authors

    Publication Year: 1965, Page(s): 4b
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Aims & Scope

This Transactions ceased publication in 1965. The new retitled publication is IEEE Transactions on Aerospace and Electronic Systems.

Full Aims & Scope