Question

Which among the following is the first step in the determination of position using time difference of arrival?

a.

Time tag the transmitted signal

b.

Solving for the position of source transmitter

c.

Determining the time difference of arrival curve

d.

Conversion to a common coordinate system

Posted under Cognitive Radio

Answer: (a).Time tag the transmitted signal Explanation:The hyperboloid curve of time difference of arrival approach is drawn by considering the speed of propagation and difference between the arrival times of the same signal at two receivers. To expand the curve to include three receivers, the results are converted to a common coordinate system. Finally, the curve equations are solved to identify the position of the source.

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Q. Which among the following is the first step in the determination of position using time difference of arrival?

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