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SIGNAL-SIMULATOR FOR THE NAVY SPACE SURVEILLANCE SYSTEM COMBINERS.
NAVAL RESEARCH LAB WASHINGTON D C
In order to test the performance of an interferometer phase-channel combiner the phase of many signals must be varied in a coherent manner. The electro-mechanical signal-simulator used for combiner research is costly and considered too cumbersome for use in field installations. Consequently, using a basic principle of combiner operations, that of translating the incoming phase carriers to frequencies proportional to the antenna spacing, provides an indirect approach to the simulation of signals. Using a single signal source, a dynamic check of any or all channels may be rapidly made. Author