Zero padded number

Zero padding is a technique typically employed to make the size of the input sequence equal to a power of two. In zero padding, you add zeros to the end of the input sequence so that the total number of samples is equal to the next higher power of two.

1. What is a padded number?
2. How do I pad a number with zeros in Excel?
3. What is a zero padded FFT?

What is a padded number?

Padded numbers are frame numbers that have a specified number of digits, where 0s are used to fill the unused digits. For example, 5 digit padding myimage00002.ext. Unpadded myimage2.ext. FCheck uses different conventions when opening and saving files with padding.

How do I pad a number with zeros in Excel?

Add Leading Zeros in Excel Using an Apostrophe

All you need to do is append an apostrophe (') at the beginning of every number. This will force Excel to display the number as it is. But keep in mind that this actually converts the numbers to text and hence cannot be used in calculations.

What is a zero padded FFT?

``Zero-padding'' means adding additional zeros to a sample of data (after the data has been windowed, if applicable). For example, you may have 1023 data points, but you might want to run a 1024 point FFT or even a 2048 point FFT.