Doppler radar. Doppler effect. A Doppler radar is a specialized radar that uses the Doppler effect to produce velocity data about objects at a distance. It does this by bouncing a microwave signal off a desired target and analyzing how the object's motion has altered the frequency of the returned signal.
Burbage Brook is a river in Padley Gorge, Derbyshire, England, situated close to Sheffield.It is a tributary of the River Derwent. The source of the brook is on moorland to the north of the brook's valley. The water enters Burbage valley at the Upper Burbage Bridge.53Â°19â²21â³N 1Â°36â²33â³Wï»¿ / ï»¿53.32250Â°N 1.60917Â°Wï»¿ / 53.32250; -1.60917.he source of the brook is on moorland to the north of the brook's valley. The water enters Burbage valley at the Upper Burbage Bridge. 53Â°19â²21â³N 1Â°36â²33â³Wï»¿ / ï»¿53.32250Â°N 1.60917Â°Wï»¿ / 53.32250; -1.60917.
The small town of Coldstream lies on the north side of River Tweed, close to the border with England in Berwickshire. The settlement of Coldstream lies at an important crossing on the River Tweed, the lowest point it can be forded. This meant that the village was often in the way when both Scottish and English armies crossed the border during the centuries of conflict with England.