Abstract: By combining three-frame-difference method with background subtraction method, an approach is proposed for rapid detection and identification of moving targets. First the background frame is ...

1 College of Science, Tianjin University of Technology and Education, Tianjin, China. 2 Lvliang Vocational and Technical College, Lvliang, China. Multiple reflections in seismic exploration data ...

NCERT Class 7 Maths Textbook 2025: Maths is always considered a complex subject with so many formulas. But with recent changes in the NCERT Class 7 Maths syllabus, a new discourse has emerged on how ...

An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...

Hey there music-loving educators and parents, If you’ve ever searched for music note worksheets and thought, “Why are these just blank staffs and busy work?”—you’re not alone. That’s exactly why I ...

Solid-state batteries have attracted significant attention due to their high safety and high energy density. However, the continuous lithium (Li) consumption will lead to decrease of the energy ...

Looking for engaging, no-prep Year 3 maths worksheets to support your pupils? This free printable PDF bundle contains essential multiplication and division practice, helping pupils build confidence in ...

The height of rows and the width of columns in Excel are usually automatic, but you can change the row’s height and column width manually. The row height in spreadsheets increases and decreases ...

Some of the biggest challenges in teaching math aren’t about the numbers and operations themselves, but students’ attitudes toward them. Getting students to think deeply about problems, persevere ...

Abstract: In this letter, a 28-GHz variable-gain phase shifter (VG-PS) with phase compensation designed using a Gilbert-cell-based vector summation amplifier integrated with a current-type ...

Before Jon McNeill was CEO at VC firm DVx Ventures, he was the president of Tesla and chief operating officer at Lyft. He helped Tesla grow its revenue run rate from $2 billion to $20 billion in 30 ...