IEEE Transactions on Aerospace and Electronic Systems

Issue 1 • Jan. 1976

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Displaying Results 1 - 21 of 21
  • Table of contents

    Publication Year: 1976, Page(s): c1
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  • IEEE Aerospace and Electronic Systems Society

    Publication Year: 1976, Page(s):c2 - 96a
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  • From the Editors

    Publication Year: 1976, Page(s): 1
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  • Cryptographic Digital Communication

    Publication Year: 1976, Page(s):2 - 11
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (1942 KB)

    This paper reviews the fundamentals of cryptographic digital systems and defines and discusses the two basic types of ciphers. The remainder of this article examines the word and bit error rates in digital al communication systems with block or stream ciphers. Upper bounds and ensemble averages of the error rates are obtained for both ciphers. The effect of modulation type on the degradation in co... View full abstract»

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  • A General Steepest Descent Algorithm

    Publication Year: 1976, Page(s):12 - 22
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (1695 KB)

    The following paper derives a general gradient process for extremization ion by imposing an " exponential decay" condition on the controlled variable. The general process is applied to two adaptive linear filter problems; a sonar application by Widrow [3] and a radar problem of Brennan & Reed [4]. The results are discussed in sections 11 and Ill, respectively. A central feature of the Fletcher-Pow... View full abstract»

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  • Successful Large-Scale Use of CMOS Devices on Spacecraft Traveling Through Intense Radiation Belts

    Publication Year: 1976, Page(s):23 - 31
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (3240 KB)

    This paper describes the environmental models of the radiation belts and computational techniques which have been developed for predicting the radiation hazards for spacecraft These data and techniques are then applied to the Atmosphere Explorer 51 spacecraft to explain its successful survival for more than 18 months in a severe environment In particular, the results of the analysis are used to ex... View full abstract»

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  • Strapdown Matrix Orthogonalization: The Dual Iterative Algorithm

    Publication Year: 1976, Page(s):32 - 38
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (1363 KB)

    There exist several algorithms for the optimal orthogonalization of the Direction Cosine Matrix used in navigation, control and simulation One of these recursive algorithms is shown to be derived from a dual solution to the optimal orthogonalization problem. The duality of the algorithm is demonstrated and its convergence properties are investigated Quadratic convergence is proven and the conditio... View full abstract»

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  • Analysis of Polyphase Commutator Generators for Wind-Power Applications

    Publication Year: 1976, Page(s):39 - 41
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (839 KB)

    This paper describes the mathematical modeling of the ac polyphase hase commutator generator by means of Park's equations. For clarity, a two-phase, balanced-operation machine is analyzed. Equations ions of performance are developed in terms of familiar parameters. The machine is shown to have attractive characteristics for variablespeed peed constant-frequency power generation, with possible appl... View full abstract»

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  • Antenna Performance in the Presence of Diffuse Multipath

    Publication Year: 1976, Page(s):42 - 54
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (2457 KB)

    Diffuse multipath is a random phenomenon that arises out of the diffraction of waves from rough surfaces. This form of multipath can in turn affect the angle estimation performance of monopulse antenna systems. In order to evaluate its effect, it is necessary to obtain the channel spread function that results. This function is basically the wave number spectrum of the resulting random field genera... View full abstract»

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  • Phase-Lock Loop Jump Phenomenon in the Presence of Two Signals

    Publication Year: 1976, Page(s):55 - 64
    Cited by:  Papers (11)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (1772 KB)

    Jump phenomena are known to exist in many non-linear systems [I], [2], [3]. The non-linear analysis presented in this paper explains and predicts the conditions for the jump phenomenon that is observed in a phase-locked loop (PLL) preceded by an automatic gain control (AGC). The jump phenomenon occurs when the frequency separation AM of two sinusoids at the input to the AGC is greater than the ban... View full abstract»

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  • False Alarm Rate for Rank Quantizer When Input Range Samples are not Independent

    Publication Year: 1976, Page(s):65 - 67
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (387 KB)

    Under the assumption that the non-independent range samples fed into the rank quantizer form a first-order Markov sequence, the first threshold false alarm probability Pn is written in the form of a multiple integral, the multiplicity being equal to the number of samples or quantizer taps. The Rice model for narrow-band noise (clutter) is used to check the effect of correlation on Pn using the der... View full abstract»

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  • Probablity of Detection for ICW Radars

    Publication Year: 1976, Page(s):68 - 71
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (574 KB)

    Eclipsing of received signals is analyzed for Interrupted Continuous Wave (ICW) radars. A probability density for the Signal to Noise Ratio (SNR) at the Doppler filter output is derived which incorporates eclipsing effects and a fluctuating target cross section model. The probability of detection as a function of SNR is calculated for typical ICW parameters and the magnitude of the detection loss ... View full abstract»

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  • Radar Literature Sources

    Publication Year: 1976, Page(s):71 - 73
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (380 KB)

    This correspondence presents information on radar literature sources to augment the International Cumulative Index on Radar Systems[1]. The purpose is to provide information on languages and translations of some technical journals and to give additional journals with sources of abstracts of engineering reports and patents on radar. View full abstract»

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  • Matched-Filter Response to a Linear FM Signal Transmitted Through a Phased Array

    Publication Year: 1976, Page(s):73 - 77
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (738 KB)

    The response of a linear phased array with a matched filter connected at its output is investigated when a linear FM signal is incident on the array at an arbitrary angle. The filter is assumed to be matched to the linear FM signal. The dispersion produced by the array results in a mismatch at the receiver which depends on the scan angle and on the type of feed system used with the array. The dist... View full abstract»

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  • Distribution-Free Processors Based on the Theory of Runs

    Publication Year: 1976, Page(s):77 - 80
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (595 KB)

    This correspondence describes distribution-free processors based on the theory of runs. No assumption about either the functional form of the distribution of noise or the nature of its distribution is made. Hence the processors described are expected to yield constant false alarm (CFA) irrespective of the nature of noise encountered in the system. View full abstract»

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  • On Optimal Control of Linear Systems in the Presence of Multiplicative Noise

    Publication Year: 1976, Page(s):80 - 85
    Cited by:  Papers (17)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (962 KB)

    This correspondence considers the problem of optimal regulator design for discrete time linear systems subjected to white state-dependent and control-dependent noise in addition to additive white noise in the input and the observations. A pseudo-deterministic problem is first defined in which multiplicative and additive input disturbances are present, but noise-free measurements of the complete st... View full abstract»

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  • Comments on "Computationally Efficient Bank of Rectangular Digital Filters"

    Publication Year: 1976, Page(s):85 - 86
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (402 KB)

    In [1] a scheme for forming a rectangular FIR filter bank is described using only a few percent of the number of multiplications required by straightforward procedures. The sidelobe level suffers degradation. Attention is drawn to a different scheme published in [2] and [3] which needs even fewer multiplications without degradationvof the sidelobe level. View full abstract»

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  • A baker's dozen magnitude approximations and their detection statistics

    Publication Year: 1976, Page(s):86 - 89
    Cited by:  Papers (16)  |  Patents (6)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (655 KB)

    Thirteen linear approximations to the square root of the sum of the squares operation are examined and compared as to their peak error, average error, mean-squared error, and, most importantly, for digital radar signal processing the increase in SNR (over an exact linear detector) needed to maintain a specified PD and PFA. View full abstract»

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  • Additions and Corrections to "Single Channel per Carrier Satellite Repeater Channel Capacity"

    Publication Year: 1976, Page(s):89 - 90
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  • Abstracts IEEE 1975 Student Papers

    Publication Year: 1976, Page(s):91 - 94
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  • Information for authors

    Publication Year: 1976, Page(s): 95
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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
Michael Rice
Brigham Young University