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SpeeDe V_03

SpeeDe V_03: The aim of the third version of the SpeeDe is to improve the sensitivity to capture the speed of even smaller object. In this regard, I have done some modification in the program ( using the concept of interrupts in...

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Sampling Theorem

SAMPLING:   A continuous time signal can be represented in its samples and can be recovered back when sampling frequency fs is greater than or equal to the twice the highest frequency (fm) component of message signal. i. e  fs ≥ 2fm. Consider a...

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Demonstration of Division

Many  teachers struggle with teaching division to children and I have been thinking about this recently. I think there are a number of factors contributing to this. Firstly,  there is a huge range of level of understanding of the concept of division...

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At Isai Ambalam

For the first few weeks I decided to teach and learn with the 5th graders at Isai Ambalam middle school, at class we worked out many logic puzzles. The class was at the stage of working out multiplication and division. Speed,distance,time and...

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Scratch stories with Udavi 8th graders

Scratch stories with Udavi 8th graders The 8th graders at Udavi had made stories on the theme ‘ if i had wings ‘ , they were wanting to depict their stories with scratch. The time offered was four English class hours on...

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Incremental Backup for Ubuntu

The command : tar -cvfz -X excludeList -g 20150407.snar 20150407-full.tar.gz ~ tar-cvfz – creates all the files. -X excludeList – creates a folder where one can exclude the files that need not be backed up. -g .snar – this is the command...

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