The distance between two radio telescopes on the Earth's surface can be determined using a technique called "baseline interferometry Both telescopes look at the same very distant object in the sky (typicaly quanars). From the difference in the arrival times of the radio waves measured using very precise atomic clocks (accurate to 1 second in 1 million y the distance beteen the tao telescopes can be determined to mitimetre accuracy. Over the course of 20 years, two radie telescopes, one in Westford, United States, and the other in Wettzell, Germany, pertormed baseline interterometry to determine the rate at which Europe is moving away from North America wrine a program to fit a straight ine to the data recording the change in distance between Westford, USA and Wettzel, Germany From the inted tine, catculate the speed at which the two continents are moving in cm per Nates: • Your program should call various functions in the sain function to generate a plot as sheown below. Your program must also print the fallowing string The average speed the continents are noving ist (speed to 2 ap) cn/year where (speed to 2 de) is ie onlyear and formatted to 2 decimal places. Hint: The speed is the slope et me fmed ine. You wil need to convert it from myear to emyear) You may assume that the data is saved in a tie named "contdritt cov, a copy of which can be found here. You should plot the data first and then the fitted ine. You can choose any colours that you ike tor your lines. Ue the detaut x and y ticks, and tick labeis for this plot. re. laadtat may be helptul Don't forget to include the cal to your nain tunction in the code that you submit. Change in distance between Westurd, USA and Wettzel, Germany 30
The distance between two radio telescopes on the Earth's surface can be determined using a technique called "baseline interferometry Both telescopes look at the same very distant object in the sky (typicaly quanars). From the difference in the arrival times of the radio waves measured using very precise atomic clocks (accurate to 1 second in 1 million y the distance beteen the tao telescopes can be determined to mitimetre accuracy. Over the course of 20 years, two radie telescopes, one in Westford, United States, and the other in Wettzell, Germany, pertormed baseline interterometry to determine the rate at which Europe is moving away from North America wrine a program to fit a straight ine to the data recording the change in distance between Westford, USA and Wettzel, Germany From the inted tine, catculate the speed at which the two continents are moving in cm per Nates: • Your program should call various functions in the sain function to generate a plot as sheown below. Your program must also print the fallowing string The average speed the continents are noving ist (speed to 2 ap) cn/year where (speed to 2 de) is ie onlyear and formatted to 2 decimal places. Hint: The speed is the slope et me fmed ine. You wil need to convert it from myear to emyear) You may assume that the data is saved in a tie named "contdritt cov, a copy of which can be found here. You should plot the data first and then the fitted ine. You can choose any colours that you ike tor your lines. Ue the detaut x and y ticks, and tick labeis for this plot. re. laadtat may be helptul Don't forget to include the cal to your nain tunction in the code that you submit. Change in distance between Westurd, USA and Wettzel, Germany 30
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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