Question

Which of the following is a four element entity consisting of a scalar and a vector and is used to describe strapdown system rotation?

a.

Directional cosines

b.

Directional sines

c.

Quaternion

d.

Triternion

Posted under Avionics Engineering

Answer: (c).Quaternion

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Q. Which of the following is a four element entity consisting of a scalar and a vector and is used to describe strapdown system rotation?

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