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Evaluation of the computational errors of strapdown navigation systems.

AIAA Journal, 1968
The results of an evaluation of the computational errors for conventional, restrained, strapdown sensor mechanizations are presented. The analytic models of the computational errors (truncation, word length, integration scheme, integration interval, and sensor output resolution) presented were developed through detailed digital simulation of the ...
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Analysis Strapdown Navigation Using Quaternions

IEEE Transactions on Aerospace and Electronic Systems, 1978
A brief review of the theory of strapdown inertial navigation is presented in which the attitude of the sensor box with respect to inertial space is represented by the four-parameter quaternion vector. . A 4X4 matrix R is defined which aids in relating quaternions to direction cosines and facilitates interpretation of the equations for error ...
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The State of Strapdown Inertial Guidance and Navigation

Navigation, 1971
The prospect of simplifying inertial navigation systems by strapping the sensors directly to the vehicle, as commonly done in attitude control systems, has continued to intrigue investigators. Interest has persisted through the many years that have seen the gimballed, inertially stabilized platform reach maturity in military applications, in space ...
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An Aided Navigation Method Based on Strapdown Gravity Gradiometer

Sensors, 2021
Baiqing Hu, Lubin Chang, F J Qin
exaly

An Improved Design of a Strapdown Gravimeter