STUDY AND INVESTIGATION OF A UHF-VHF ANTENNA

Further work on the ferrite-loaded biconical antenna has been initiated, with the object of evaluating the impedance, beam pattern, and efficiency. The problem of a ferrite-loaded, rectangular-cavity slot antenna has been formulated, and the variational procedure is being carried out to evaluate the...

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Bibliographic Details
Main Authors: ADAMS,A.T, KALAFUS,R.M
Format: Report
Language:English
Subjects:
ANTENNA LOBES
ANTENNA RADIATION PATTERNS
ANTENNAS
BICONICAL ANTENNAS
CYLINDRICAL BODIES
DIELECTRICS
ELECTRICAL IMPEDANCE
FERRITES
HELICAL ANTENNAS
LOOP ANTENNAS
SLOT ANTENNAS
SURFACE PROPERTIES
ULTRAHIGH FREQUENCY
VERY HIGH FREQUENCY
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Summary:Further work on the ferrite-loaded biconical antenna has been initiated, with the object of evaluating the impedance, beam pattern, and efficiency. The problem of a ferrite-loaded, rectangular-cavity slot antenna has been formulated, and the variational procedure is being carried out to evaluate the impedance, radiation pattern, and the efficiency. The radiation patterns of the ferrite-loaded, rectangularcavity slot antenna have been measured and compared with the theoretical predictions of simpleaperture iffraction theory. Agreement with theory is good for the H-plane patterns and poor for the E-plane patterns. The effect of a flange is greater than expected. (Author)