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Angle And Doppler Measurements Of Microwaves Propagated Beyond The Horizon
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Book Synopsis Angle and Doppler Measurements of Microwaves Propagated Beyond the Horizon by : Stanford University. Stanford Electronics Laboratories
Download or read book Angle and Doppler Measurements of Microwaves Propagated Beyond the Horizon written by Stanford University. Stanford Electronics Laboratories and published by . This book was released on 1971 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report presents results of angle and doppler measurements of the specular and scattered components of transhorizon signals. The transhorizon signal measurement are recorded on a vertical 12-element data-gathering array and receiving system. The array measures the relative phase and amplitude along the wavefront of an S-band CW signal transmitted from a source 164 km (102 miles) away--sell beyond the horizon. The data are processed to obtain the amplitude distributions, averaged array angular-response patterns, and doppler spectra. In addition, the radio data are supplemented with airborne refractivity and temperature--profile measurements. Two unique features of this work are described. First, the doppler frequency spectrum of the received signal is evaluated from the sampled amplitude and phase information, and second, the amplitude distributions and doppler spectra are evaluated for the received signal at a single antenna element or for a conventional broadside array. Consequently, the distributions and spectra are available as a function of the array beam-pointing angle. (Author).
Book Synopsis Phase and Amplitude Measurements of Microwaves Propagated Beyond the Horizon by : Donald Clyde Cox
Download or read book Phase and Amplitude Measurements of Microwaves Propagated Beyond the Horizon written by Donald Clyde Cox and published by . This book was released on 1967 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Research in Propagation Techniques, Quarterly Report, No.3 by : Stanford University. Stanford Electronics Laboratories
Download or read book Advanced Research in Propagation Techniques, Quarterly Report, No.3 written by Stanford University. Stanford Electronics Laboratories and published by . This book was released on 1971 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rapid-scanning Measurements of Wind-produced Doppler on an Asymmetrical Microwave Transhorizon Propagation Path by : Ronald Douglas Fleming
Download or read book Rapid-scanning Measurements of Wind-produced Doppler on an Asymmetrical Microwave Transhorizon Propagation Path written by Ronald Douglas Fleming and published by . This book was released on 1979 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conventional methods for monitoring winds aloft have inherent spatial and/or temporal limitations that severely restrict their usefulness. An alternate solution is the use of transhorizon bistatic radio techniques. By using a phase-coherent system with some form of beam-swinging capability, it is possible to measure the wind-produced Doppler shifts associated with moving off-path scatterers. In this experiment a rapid data-gathering system is used to remotely probe the wind-field velocity structure in the common volume region of a 164-km transhorizon propagation path. The phase-stable system operates at 3.2 GHz and employs a 12-element horizontal receiving antenna array. The amplitudes and relative phases of the output signals from the individual elements are sequentially sampled and recorded at a 40-Hz rate. Off-line processing of the amplitude and phase data samples is used to 'scan' in azimuth a 0.3 deg wide fan beam through a 3.88 deg sector and to obtain virtual simultaneous Doppler spectra measurements at a continuum of angles within the sector scanned. An algorithm developed to identify the apparent source direction of each spectral component permits an appropriate weighting to be applied to the spectra on the basis of angle-of-arrival. The average Doppler shift (spectrum centroid) as a function of the array pointing angle is interpreted in terms of the average transverse wind speed and direction.
Book Synopsis A Line-of-sight Microwave Propagation Experiment for Resolving the Motions and Turbulent Structure of the Atmosphere by : Stanford University. Stanford Electronics Laboratories
Download or read book A Line-of-sight Microwave Propagation Experiment for Resolving the Motions and Turbulent Structure of the Atmosphere written by Stanford University. Stanford Electronics Laboratories and published by . This book was released on 1971 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: The work is concerned with the problem of determining something of the nature of the turbulent atmosphere by studying the perturbations it induces upon a radio-wave which propagates through it. An experimental system is described which operates at a frequency of 34.89 GHz over a 28 km path. The receiver consists of an array of eight horizontally spaced antennas, and the transmitter consists of two horizontally spaced antennas which are time-shared by the receiving array. The data consist of amplitude and relative phase measured at each of the eight receiving points for both transmitters. The transmitters are alternated quite rapidly (relative to the characteristic time of the atmospherically induced fluctuations) so that from the data a variety of propagation geometries may be studied - one-transmitter-two-receiver, two-transmitter-one-receiver, and two-transmitter-two-receiver. The analyses consist primarily of calculating covariances between data channels (with and without time lags) for the various propagation geometries available. (Author).
Book Synopsis A Bibliography of Recent Work on Propagation in the Radio Spectrum from 10 to 100 GHz by : Francis K. Steele
Download or read book A Bibliography of Recent Work on Propagation in the Radio Spectrum from 10 to 100 GHz written by Francis K. Steele and published by . This book was released on 1975 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: References are presented on the subject of recent (1971-74) work on radio propagation through atmosphere at frequencies from 10 to 100 GHz.
Book Synopsis Advanced Research in Propagation Techniques, Final Report by : Stanford University. Stanford Electronics Laboratories
Download or read book Advanced Research in Propagation Techniques, Final Report written by Stanford University. Stanford Electronics Laboratories and published by . This book was released on 1971 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Department of Commerce. Office of Telecommunications Publisher : ISBN 13 : Total Pages :1024 pages Book Rating :4.3/5 (91 download)
Book Synopsis OT Report by : United States. Department of Commerce. Office of Telecommunications
Download or read book OT Report written by United States. Department of Commerce. Office of Telecommunications and published by . This book was released on 1975 with total page 1024 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Statistical Methods and Instrumentation in Geophysics by : Anton G. Kjelaas
Download or read book Statistical Methods and Instrumentation in Geophysics written by Anton G. Kjelaas and published by Teknologisk Forlag. This book was released on 1971 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal of Research, National Bureau of Standards by : United States. National Bureau of Standards
Download or read book Journal of Research, National Bureau of Standards written by United States. National Bureau of Standards and published by . This book was released on 1964 with total page 1400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Beyond-the-horizon Propagation at Microwave Frequencies by : Samuel Alexander Stone
Download or read book Beyond-the-horizon Propagation at Microwave Frequencies written by Samuel Alexander Stone and published by . This book was released on 1958 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "This paper reviews the work done by early investigators, and discusses the theories proposed to explain the presence of microwave signals well beyond the horizon. The experimental work carried out to investigate the effect of meteorological phenomena on the signal received over a microwave link between Ottawa and Dorval Airport is described. Further experiments which suggested themselves as a result of this work are outlined." --
Book Synopsis Semi-annual Status Report No.120, January Through July 1971 by : Stanford University. Stanford Electronics Laboratories
Download or read book Semi-annual Status Report No.120, January Through July 1971 written by Stanford University. Stanford Electronics Laboratories and published by . This book was released on 1971 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal of Research by : United States. National Bureau of Standards
Download or read book Journal of Research written by United States. National Bureau of Standards and published by . This book was released on 1960 with total page 914 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Earth Resources written by and published by . This book was released on 1982 with total page 824 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wavelength Dependence of Microwave Propagation for Beyond the Radio Horizon by : Folke Eklund
Download or read book Wavelength Dependence of Microwave Propagation for Beyond the Radio Horizon written by Folke Eklund and published by . This book was released on 1969 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements by :
Download or read book Government Reports Announcements written by and published by . This book was released on 1971 with total page 1484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
