Doppler Sensor Simulation Model.

TL;DRAbstract

Economic considerations require the investigation of alternatives to high precision navigation sensors. One alternative is a hybrid LORAN/DOPPLER system where components' accuracy specifications are somewhat relaxed. The hybrid system utilizes the long term position error stability of LORAN to restrain the divergent doppler error. The synthethis of such a system depends on the establishment of a good computer simulation approach which, in turn, relies upon valid sensor models. Sensor model development begins with the constraints of Army mission requirements and a knowledge of the hardware, continues with the determination of an appropriate mathematical model, and concludes with a hardware verification phase. A DOPPLER model was developed to be used in the system computer simulation. Major factors involved in the development of the sensor model are discussed in this report. (Author)

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