The clocktime.mat File is big file GIGA cannot attach mention on the file create

Question

The clocktime.mat File is big file GIGA cannot attach mention on the file create a file T1, t2, t3, t4, t5, t6, t7 tr3ef .

Included in this project is the file clocktime.mat, a Matlab data file containing the clock readings from the reference clock ('tref') and 7 embedded node clocks ('t1' through 't7') with different drifts. Using this data perform the following tasks: *This is a screenshot of clocktime.mat, all the contents are the same throughout all cells* t1-t7 has al the same numbers. 1) Generate a graph similar to the one on slide 28 of the Module 3 notes plotting reference clock versus local clock or local clock versus reference clock. Estimate the drift rates for each of the 7 embedded node clocks based on the graphs and data. Plot all possible offsets (between the 7 embedded node clocks) as a function of the reference time. Plot the precision as a function of the reference time. Provide a write-up (in MS Word or other comparable text editor) of your findings. Include all the plots in your text with correct cross-references to them in the text. Also, include a short discussion for each of the plots and tasks and make sure to include references to any equations or documents that you used.

Explanation / Answer

skip = 2E4; olddata = load('YourFile.mat'); fn = fieldnames(olddata); %optimization: create the entire new struct at once instead of adding field by field tmp = [fn.'; repmat({[]}, 1, length(fn))]; newdata = struct(tmp{:}); %truncate the channels for K = 1 : length(fn) newdata.(fn{K}) = olddata.(fn{K})(skip+1:end); end save('YourNewFile.mat', 'newdata', '-struct');

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