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IRE Transactions on Aerospace and Navigational Electronics

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  • 1. Angle Estimation Accuracy with a Monopulse Radar in the Search Mode

    Publication Year: 1962, Page(s):175 - 179
    Cited by:  Papers (17)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (724 KB)

    This paper is concerned with the accuracy of singlehit angle estimation by a monopulse radar in the search mode. The system analyzed is an amplitude comparison estimator. Off-axis targets are considered. The effects of narrow-band Gaussian receiver noise on the sum and difference signals are considered. An asymptotic expansion for the angle estimate is derived which converges for SNR's of 12 db or... View full abstract»

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  • 2. On Gyro Drift Models and Their Evaluation

    Publication Year: 1962, Page(s):230 - 234
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (965 KB)

    Random gyro drift, which is the uncorrectable drift that occurs in gyros, represents the major error input of inertial navigation systems that are required to operate over long time intervals. This random gyro drift must be taken into account whenever performing an error analysis or optimization study on such a system; otherwise, the results of the analysis or study would be meaningless. Random gy... View full abstract»

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  • 3. Identification and Evaluation of Magnetic-Field Sources of Magnetic Airborne Detector Equipped Aircraft

    Publication Year: 1961, Page(s):95 - 105
    Cited by:  Papers (17)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1445 KB)

    A general method for identifying and evaluating magnetic sources associated with the magnetic airborne detector-equipped aircraft is described. It is derived for the compensation of magnetic noise related to the maneuvers of the aircraft. Mathematical formulas are included with a uniform engineering method, that is independent of the type of magnetic source encountered, for analyzing magnetic airb... View full abstract»

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  • 4. An Analysis of Bistatic Radar

    Publication Year: 1961, Page(s):19 - 27
    Cited by:  Papers (22)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1847 KB)

    This paper briefly describes some of the characteristics, capabilities, and limitations of the bistatic radar when used for the detection and location of targets such as aircraft or satellites. (A bistatic radar is one in which the receiver is physically separated from the transmitter so that the echo signal does not travel over the same path as the transmitted signal.) Among the topics discussed ... View full abstract»

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  • 5. Logarithmic Navigation for Precise Guidance of Space Vehicles

    Publication Year: 1961, Page(s):59 - 71
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1917 KB)

    The principles of logarithmic guidance are derived and their application to various space-flight guidance problems is discussed. Logarithmic guidance is shown to be ideal during the terminus of control where considerations of minimum fuel, minimum heating etc., can be subordinated to precise matching of vehicle kinematics to the desired trajectory. This precise trajectory control is achieved utili... View full abstract»

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  • 6. Airborne Doppler Radar Navigation of Jet Transport Aircraft

    Publication Year: 1962, Page(s):11 - 20
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3597 KB)

    Trans World Airlines will pioneer use of Doppler radar as a primary means of transport aircraft navigation over the North Atlantic. This paper summarizes flight test results using dual Doppler radar sensors and dual Doppler navigation computers on Boeing 707 long range aircraft. Test flights have been flown over TWA's North Atlantic routes for almost two years to ¿prove-in¿ the Doppler system. View full abstract»

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  • 7. New Methods of Range Measuring Doppler Radar

    Publication Year: 1962, Page(s):255 - 265
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2221 KB)

    This paper describes several methods of phase modulation radar in which the Doppler effect provides a carrier for range information. It is shown that these methods yield simple radar systems capable of measuring both the range and the speed of a target down to essentially zero distance. In contrast to conventional radars, only a nominal transmission bandwidth is required even under conditions wher... View full abstract»

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  • 8. Leakage Rejection in Beam-Switched CW Radars

    Publication Year: 1962, Page(s):241 - 250
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1825 KB)

    This paper is directed to the problem of transmitter-receiver leakage rejection in CW and FMCW radars which employ stepped-scanning antennas. An IF carrier-elimination filter has been devised and analyzed which provides leakage-rejection capabilities limited only by leakage variations during stationary beam positions. Leakage rejection is provided by coherently reducing the signal to zero IF, reje... View full abstract»

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  • 9. Inertial Navigation Systems: Prelaunch Alignment

    Publication Year: 1962, Page(s):141 - 145
    Cited by:  Papers (2)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1467 KB)

    A conventional inertial navigation system navigates by sensing components of the acceleration vector along three mutually perpendicular axes held stable after some initial alignment. This paper discusses the need for initial alignment, followed by a review of the effects of alignment errors on navigation in order to establish the order of accuracies desired. Several alignment techniques are descri... View full abstract»

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  • 10. Amplitude Modulated CW Radar

    Publication Year: 1962, Page(s):250 - 254
    Cited by:  Papers (7)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (766 KB)

    This paper describes a radar system in which a measure of range is obtained as the phase difference between amplitude modulations on the transmitter and echo signals. Significant features of this AM radar system are simplicity and capability of accurately measuring very short ranges. For instance, an experimental unit ranges from zero to 50 feet with maximum error of six inches. View full abstract»

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  • 11. Design of Reliable Long-Distance Air-to-Ground Communication Systems Intended for Operation under Severe Multipath Propagation Disturbances

    Publication Year: 1962, Page(s):67 - 78
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2202 KB)

    A survey of the principal methods of improving the reliability of long-range digital communication systems introduces the subject. Special modulation techniques as well as redundant transmission of pulses, redundant in time and in carrier frequency, are described as methods to counteract the effects of multipath distortion in connection with the proper special demodulation and diversity reception ... View full abstract»

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  • 12. Altitude Processing in the ATCRBS

    Publication Year: 1961, Page(s):149 - 152
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3251 KB)

    Equipment to process and display beacon-derived altitude information is being developed to enhance the operational capability of the Air Traffic Control Radar Beacon System (ATCRBS). Beacon identity and altitude information assists the air traffic controller to establish positive identification quickly and reliably; radar handoff procedures are completed more efficiently. The principle altitude fu... View full abstract»

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  • 13. FAA Development in Aircraft Data Communications

    Publication Year: 1962, Page(s):79 - 84
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1305 KB)

    The application of digital techniques to aeronautical air traffic control communications has been under study in the United States for more than fifteen years. During the past four years active development and evaluation programs have been conducted by the Federal Aviation Agency (FAA) on specific experimental equipment intended to provide guidance in the establishment of parameters for a universa... View full abstract»

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Aims & Scope

This Transactions ceased publication in 1962. The new retitled publication is IEEE Transactions on Aerospace and Electronic Systems.

Full Aims & Scope