There are important limitations to TD interrogation. As with all Doppler techniques, TDI measures only the vector of motion that is parallel to the direction of the ultrasound beam. In addition, TDI ...

TDI is a world-class consulting firm offering cybersecurity services to government agencies and commercial clients around the world. TDI has delivered hundreds of cybersecurity initiatives, ...

I mentioned that the 40 TDI badge didn’t make much sense in my first report on the car, and while I was visiting friends and family at Christmas the strange naming structure kept coming up in ...

The 201bhp 40 TDI quattro manages even easier B-road overtakes than the 35 TDI, hitting 0-62mph in just 7.0sec but, when you drive it carefully, averages almost 55mpg. It's also quiet and comes ...

On the road, the 1.6-litre TDI engine is economical, easily returning more than 50mpg on our 400-mile drive. However, while it is refined, it’s a little on the slow side and doesn’t match the ...

A vector can be represented by a line segment labelled with an arrow. A vector between two points A and B is described as: \(\overrightarrow{AB}\), \(\mathbf{a}\) or \(\underline{a}\). The vector ...

The 35 TDI diesel that we also recommend in the A4 is quick, smooth and economical. S line has lowered suspension and 19in wheels, so it's firmer-riding than some might like. It also adds leather ...

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The vector \(2k\) is twice as long as the vector \(k\). Double each number in \(k\) to get \(2k\). \(\mathbf{2k} = \begin{pmatrix} 6 \\ -4 \end{pmatrix}\) \(\mathbf{m ...

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