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An Accuracy Study of a Doppler Navigation System Assuming Time-Stationary Random Input Errors

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1 Author(s)
Styers, C. James ; Collins Radio Company, Cedar Rapids, Iowa

This analysis is directed toward finding the rms position error of a Doppler navigation system when the input to the system is composed of random velocity errors. Statistical techniques of time-stationary random processes are used to represent the input velocity. Results show that system errors expressed as a per cent of distance traveled are shown to decrease with increasing distance traveled. There is a need for specifying the effective noise bandwidth of a system when determining system accuracy by means of random analysis. The smaller the effective noise bandwidth of the input velocity errors, the larger the rms position error.

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Aerospace and Navigational Electronics, IEEE Transactions on  (Volume:ANE-10 ,  Issue: 1 )