TRANSIENT BEHAVIOR OF LARGE ARRAYS.
Final rept. for 1 Mar-23 Nov 64,
SPERRY GYROSCOPE CO GREAT NECK N Y RADIATION DIV
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The report is the final report of a theoretical and experimental investigation of the transient behavior of microwave components used in feed networks of large antenna array systems. In particular, the initial phase of the investigation concentrated on the analysis of TEM mode components. Flow graph techniques were developed to yield exact solution to the transient behavior of such components as, branch line couplers, ring hybrids, power dividers, phase shifters, etc. The transient behavior was described in terms of the impulse, step, and modulated step response of the components. The real time properties of time varying resistive networks were examined and an approximate solution to the transient response of a mixer was formulated. The second phase dealt with performing the aforementioned analysis on cascaded TEM components and applying the analysis techniques to various waveguide components individually and in cascade. Major emphasis during the third and the final phase of the investigation was placed on the completely distributed feed network, the Luneberg Lens. The entire investigation was paralleled by an experimental phase wherein the experimental results were critically compared to the theoretical analyses. Author