Download or read book Microwave Antenna Relative Gain Measurements in a Partially Coherent Field written by Rudolph John Dichtl (CAPT, USAF.) and published by . This book was released on 1966 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Microwave Antenna Relative Gain Measurements in a Partially Coherent Field written by Rudolph J. DICHTL and published by . This book was released on 1966 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt: Relative gain and resolution measurements of a microwave antenna in a partially coherent field were made. The degree of coherence function for a rectangular aperture incoherent source was also measured. A resonant longitudinal slot array antenna with a center frequency of 2.8 GHz was constructed. The partial coherent microwave field was generated by an incoherent source which consisted of a planar array of commercial fluorescent lamps. A tuned radio frequency (TRF) radiometer was used in conjunction with a lock-in amplifier as a synchronous detection system. The experimentally measured degree of coherence function agreed well with theory. The results of the antenna measurements indicated that only a limited improvement in gain and resolution could be obtained by increasing the aperture dimensions for an antenna in a field of a known degree of partial coherence. (Author).

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Download or read book Microwave Measurements of Partially Coherent Fields written by J. L. Poirier and published by . This book was released on 1965 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Microwave Measurements of Partially Coherent Fields written by J. L. Poirier and published by . This book was released on 1965 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Government wide Index to Federal Research Development Reports written by and published by . This book was released on 1966 with total page 700 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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